Suzuki DT 4SJ, DT 4LJ (1988) Parts & Diagrams

🔎 Suzuki DT 4SJ, DT 4LJ Reference Library — Exploded parts diagrams (35 diagrams), specifications, common issues, and maintenance checklist.

The Suzuki DT 4SJ, DT 4LJ is a 2-Stroke 1-Cylinder outboard motor. Designed for dinghies, inflatable boats, and small tenders where lightweight portability is essential.

Quick Reference Specifications

Specification	Value
Engine Type	2-Stroke 1-Cylinder
Horsepower	4 HP
Displacement	90 cc
Bore x Stroke	50.0 x 46.0 mm
Spark Plug (Type & Gap)	NGK B6HS
Engine Oil Capacity	—
Recommended Engine Oil	TC-W3 Certified 2-Stroke Oil
Gear Case Oil Capacity	190 mL (6.4 oz)
Idle Speed (in gear)	950–1,050 RPM
Full Throttle RPM Range	4500-5500 RPM
Fuel	Unleaded Gasoline

Always verify specifications against your owner's manual for your specific serial number range.

Common Issues & Recommended Parts

Below are common maintenance scenarios for the Suzuki DT 4SJ, DT 4LJ:

Water Pump / Overheating: If the tell-tale stream is weak or absent, the water pump impeller likely needs replacement. Inspect annually or every 100 hours. → Recommended: Water Pump Impeller Kit
Fuel System Issues / Hard Starting: Stale fuel and ethanol-related deposits are common in 2-stroke carbureted engines. Clean or rebuild carburetors and replace fuel lines if deteriorated. → Recommended: Carburetor Repair Kit, Fuel Line Assembly
Spark Plug Fouling: 2-stroke engines are prone to spark plug fouling from oil residue, especially at low RPM. Replace plugs at each annual service. → Recommended: OEM Spark Plugs
Gear Case Oil Leak: Check lower unit seals if gear oil appears milky (water contamination). Replace seals and gaskets during lower unit service. → Recommended: Lower Unit Seal Kit, Drain Plug Gaskets
Thermostat Failure: A stuck thermostat can cause overheating or poor warm-up. Replace if operating temperature is inconsistent. → Recommended: Thermostat Assembly

Parts Diagrams & OEM Part Numbers

Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Suzuki DT 4SJ, DT 4LJ.

▶Fig. 1 - Cylinder Head (22 parts)

Ref	OEM Part #	Part Name
1	09103-06048	Bolt (6x20) (NLA)
2	11161-98603-0ED	Cylinder Head Cover (NLA)
3	11162-98610	Cylinder Head Cover Gasket
5	16710-95D10	Oil Check Valve
6	04211-09109	DOWEL PIN
7	01550-06357	BOLT
8	01550-06307	BOLT
10	11251-98600-0ED	Starboard Port Cover (NLA)
11	11252-98600-0ED	Port Port Cover (NLA)
12	09103-06172	Bolt (6x12)
13	09280-32006	O-Ring
14	11218-98601	Water Jacket Cover (NLA)
15	09126-05003	Screw (5x12)
16	11219-98610	Water Jacket Gasket
17	13152-98300	Reed Valve Stopper (NLA)
18	13153-98600	Reed Valve
19	02112-3308A	SCREW
20	61181-98600	Lower Drain Hole Cover (NLA)
21	09355-25705-600	Hose (2.5x7x600)
22	09401-06101	Clamp
45748	11301-98640-0ED	Cylinder Assembly (NLA)
45749	11301-98651-0ED	Cylinder Assembly (NLA)

▶Fig. 11 - Recoil Starter (13 parts)

Ref	OEM Part #	Part Name
1	18100-98602	Recoil Starter Assembly
2	18121-90604	Starter Reel
3	18142-98600	Recoil Spring
4	18130-98600	Ratchet Set (NLA)
5	18151-90600	Plate (NLA)
6	18210-98600	Grip Assembly (NLA)
8	18711-986A0-0ED	Recoil Starter Brace (NLA)
9	02162-06207	SCREW
10	09103-06159	Bolt (6x75) (NLA)
11	18411-98601	Starter Cup (NLA)
12	02112-06127	SCREW
45839	09103-06092	Bolt (6x15)
45840	01570-06207	BOLT

▶Fig. 13 - Clutch (26 parts)

Ref	OEM Part #	Part Name
1	21141-98500	Clutch Lever Knob
2	21110-98503	Clutch Lever
3	09140-08023-XC0	Nut (8mm)
4	09162-08007	Lock Washer (8.2x15.4x2.0)
5	22511-99011	Grease Nipple
6	09280-09005	O-Ring
7	09260-10005	Ball
8	09440-07021	Spring
9	21210-98601	Clutch Lever Shaft (NLA)
10	09205-05014	Pin
12	09204-01002	Cotter Pin
13	23311-99001	Clutch Rod Connector
14	23321-99001	Clutch Rod Connector
15	09138-06037	Bolt (6x20)
16	09383-04002	E Ring
17	25100-98603	Shift Rod Assembly (NLA)
18	25211-98601	Shift Rod Guide
19	25222-93902	Shift Rod Boot
20	25311-93910	Shift Cam
21	09160-05501	Washer (5.5x20x1.2)
22	09205-02006	Spring Pin (2x12)
23	09280-05008	O-Ring
24	09280-15007	O-Ring
25	09320-04010	Bushing
45962	23110-98611	Clutch Rod (S)
45963	23110-98601	Clutch Rod (L) (NLA)

▶Fig. 14 - Magneto(1988 to 1996) (32 parts)

Ref	OEM Part #	Part Name
1	32102-98611	Flywheel (NLA)
2	32200-98610	Lighting Coil (NLA)
3	32140-98611	Ignition Coil
4	02112-05257	SCREW 5X25
5	08321-0105A	Lock Washer
6	08316-1010B	Nut
7	08341-31039	Woodruff Key
9	33410-98610	Ignition Coil Assembly (NLA)
10	09103-06048	Bolt (6x20) (NLA)
11	09404-06036	Clamp (L:80)
14	33541-93950	Spark Plug Seal
15	37800-98572	Engine Stop Switch Assembly (NLA)
16	18411-98601	Starter Cup (NLA)
17	02112-06127	SCREW
18	33542-38B00	Spark Plug Cap Seal
19	32900-98601	CDI Unit Assembly (NLA)
20	01550-06167	BOLT
21	37830-89X51	Emergency Switch Assembly (NLA)
22	37824-92D00	Grommet (NLA)
23	37950-93901	Switch Bracket (NLA)
24	02112-0416A	SCREW
25	08321-0104A	Lock Washer
26	08322-01047	Washer
27	08310-0004A	Nut
28	32150-98600	Ignition Coil (NLA)
29	37830-89E04	Stop Switch Assembly
30	09160-12067	Washer (12.5x23x1.0)
31	33446-98E20	High Tension Protect Tube (NLA)
45670	33510-22010	Spark Plug Cap (NLA)
45701	33510-98601	Spark Plug Cap
45992	09482-00124	NGK BP5HS Spark Plug
45993	09482-00359	NGK BPR5HS Spark Plug

▶Fig. 15 - Magneto(1997 to 1998) (25 parts)

Ref	OEM Part #	Part Name
2	32140-98611	Ignition Coil
3	02112-3520B	SCREW
4	32200-98600	Lighting Coil
5	02112-0520B	SCREW
6	08321-0105A	Lock Washer
7	08316-1010B	Nut
8	08341-31039	Woodruff Key
10	33410-98620	Ignition Coil Assembly (NLA)
11	09103-06050	Bolt (6x16) (NLA)
12	09103-06049	Bolt (6x12) (NLA)
13	09404-06036	Clamp (L:80)
14	09329-06002	Cushion (NLA)
15	33510-98601	Spark Plug Cap
16	37830-89E04	Stop Switch Assembly
17	37823-92E02	Stop Switch Lanyard
18	37826-92E00	Nut
19	33446-98E20	High Tension Protect Tube (NLA)
20	39669-94400	Lower Cover Plug
21	09160-12067	Washer (12.5x23x1.0)
22	37835-91J00-YAY	Stop Label
23	09482-00359	NGK BPR5HS Spark Plug
24	33410-98600	Ignition Coil Assembly (NLA)
25	09103-06048	Bolt (6x20) (NLA)
45658	32102-98620	Flywheel (NLA)
45659	32102-98601	Flywheel (NLA)

▶Fig. 17 - Clamp Bracket (23 parts)

Ref	OEM Part #	Part Name
1	41111-98620-0ED	Starboard Clamp Bracket
2	41121-98610-0ED	Port Clamp Bracket (NLA)
3	41213-94J01	Clamp Plate
4	41221-96301	Tilt Stopper Knob
5	09100-10217	Bolt (10x150)
6	09159-10050	Nut
7	09160-10082	Washer (10.5x19x2.0)
8	09306-10011	Swivel Bracket Bushing
9	41210-986L1	Clamp Screw Assembly
12	41222-93910	Tilt Stopper Pin
13	09303-14003	Bushing
14	09100-06177	Bolt (6x140)
15	41310-93901	Clamp Bracket Rod
16	09162-06006	Lock Washer
17	09140-06020	Nut (6mm)
18	45420-92DL0	Tilt Lock Pin
19	09205-03020	Pin (NLA)
20	09180-06163	Spacer
21	45420-92DL0	Tilt Lock Pin
22	55320-95311	Zinc Anode
23	09116-06094	Bolt (6x15)
24	11130-94600	Zinc Anode
25	09128-06021	Bolt (6x14)

▶Fig. 18 - Swivel Bracket (18 parts)

Ref	OEM Part #	Part Name
1	43111-98620-0ED	Swivel Bracket (NLA)
2	43121-98620-0ED	Swivel Bracket Cover (NLA)
3	09117-06043	Bolt (6x40)
4	22511-99011	Grease Nipple
5	43710-98601	BUSH SET,STEERI
6	43712-98601	Upper Bushing Plate
7	45231-98601	Reverse Lock Arm (NLA)
8	45232-98600	Reverse Lock Plate (NLA)
9	09116-06094	Bolt (6x15)
10	45211-98601	Starboard Spring (NLA)
11	45212-98601	Port Spring (NLA)
12	45700-98600-0ED	Shallow Water Drive Assembly
13	09200-08045	Shallow Water Drive Shaft (NLA)
14	45722-98600	Spring (NLA)
15	09204-01002	Cotter Pin
16	43410-98600	Steering Adjuster (NLA)
17	09119-06060	Bolt (6x23)
18	09440-09042	Spring

▶Fig. 19 - Drive Shaft Housing (14 parts)

Ref	OEM Part #	Part Name
2	09205-10006	Pin (10.2x10)
3	52113-98610	Drive Shaft Housing Gasket
4	52115-98600	Clutch Adjust Hole Cover
5	09248-10008	Drain Plug
6	09168-10022	Drain Plug Gasket
7	09118-08116	Bolt (8x40)
8	55320-98600	Zinc Anode
9	09116-06204	Bolt (6x20)
10	61155-94500	Water Inspection Tube
11	09352-50006-600	Hose (5x9x600)
12	09401-08410	Clip
13	09118-08125	Bolt (8x55) (NLA)
45658	52110-98670-0ED	Drive Shaft Housing (S) (NLA)
45659	52110-98660-0ED	Drive Shaft Housing (L) (NLA)

▶Fig. 20 - Gear Case (30 parts)

Ref	OEM Part #	Part Name
1	55110-98630-0ED	Gear Case Housing (NLA)
2	59311-91J00	Pinion Bushing
4	09248-10008	Drain Plug
5	09168-10022	Drain Plug Gasket
6	09117-08038	Bolt (8x45)
7	09206-11006	Pin (8.4x11x8) (NLA)
8	09117-08056-XC0	Bolt (8x40)
9	09280-49002	O-Ring
10	56120-91J10-0ED	Propeller Shaft Bearing Housing (NLA)
11	09262-12001	Bearing (12x28x8)
12	09282-12008	Oil Seal (12x24x4.5)
13	09167-23001	Washer
15	09117-06030	Bolt (6x16)
16	09202-04002	Shear Pin
17	58120-98600	Type C Propeller Bushing
19	09204-03003	Prop Nut Cotter Pin
20	58130-91JL0	Propeller Nut
21	17631-98600	Water Filter
22	03212-0516B	SCREW
23	56122-98602	Oil Seal Protector
24	56123-98600	Protector Washer
25	55320-98400	Zinc Anode
26	09116-06094	Bolt (6x15)
45671	08110-60040	Bearing (20x42x12) (NLA)
45675	58111-98602-019	C600 Propeller (3x7-1/2x6)
45702	09262-20106	Bearing (20x42x12)
45706	58111-98641-019	C610 Propeller (3x7-1/2x6-1/2)
45717	08110-60040	Bearing (20x42x12) (NLA)
45718	09262-20106	Bearing (20x42x12)
45734	58111-98651-019	C710 Propeller (3x7-1/2x7)

▶Fig. 21 - Transmission (37 parts)

Ref	OEM Part #	Part Name
2	09320-11018	Bushing
3	09380-10002	Snap Ring (NLA)
4	09181-10167	Thrust Washer
5	08331-31109	Circlip
6	57311-98600	Pinion Gear (NLA)
7	57510-98611	Forward Gear (NLA)
8	57521-98601	Reverse Gear (NLA)
9	09169-12002	Washer (NLA)
12	09181-12111	Thrust Washer (1.00)
15	57611-98602	Propeller Shaft Assembly (NLA)
16	57621-98600	Clutch Dog Shifter (NLA)
17	09202-04016	Pin
18	09440-05039	Spring
19	09440-24007	Clutch Dog Spring (NLA)
20	57631-98601	Push Rod
21	57632-97L00	Push Pin
45658	57111-98613	Drive Shaft (S) (NLA)
45659	57111-98603	Drive Shaft (L) (NLA)
45670	09181-20162	Shim (0.80) (NLA)
45671	09181-20159	Shim (0.60) (NLA)
45701	09181-20164	Shim (0.90)(NLA)
45702	09181-20160	Shim (0.70) (NLA)
45729	09181-20167	Shim (1.00)
45730	09181-20162	Shim (0.80) (NLA)
45760	09181-20172	Shim (1.10) (NLA)
45761	09181-20164	Shim (0.90)(NLA)
45790	09181-20176	Shim (1.20) (NLA)
45791	09181-20167	Shim (1.00)
45931	09160-10088	Washer (1.70) (NLA)
45932	09160-10089	Washer (1.80) (NLA)
45933	09160-10090	Washer (1.90) (NLA)
45934	09160-10091	Washer (2.00) (NLA)
45935	09160-10092	Washer (2.10) (NLA)
45962	09181-12008	Thrust Washer (0.60) (NLA)
45963	09160-12070	Thrust Washer (0.80) (NLA)
45964	09181-12111	Thrust Washer (1.00)
45965	09160-12071	Thrust Washer (1.20) (NLA)

▶Fig. 22 - Lower Cover(1988 to 1996) (23 parts)

Ref	OEM Part #	Part Name
2	61112-98602	Lower Engine Cover Rubber (NLA)
3	09117-06040-XC0	Bolt (6x15)
4	61633-98600	Hook Lever (NLA)
5	61631-98602	Lower Cover Hook (NLA)
6	13632-93900	Grommet
7	61635-98602	Lower Hook Pin
9	09117-06040-XC0	Bolt (6x15)
10	09160-06052	Washer
11	61521-98400	Shear Pin Holder (NLA)
12	61636-98600	Lower Hook Roller
13	61211-98302-064	Fuel Cock Mark (NLA)
14	65196-98601	Fuel Tank Bolt (NLA)
15	61182-98601	Lower Cover Plate (NLA)
16	02112-04087	SCREW 4X8
17	08321-0104A	Lock Washer
18	08310-00047	Nut
19	08316-10067	Nut
20	39669-94400	Lower Cover Plug
45658	61111-98603-02M	Lower Engine Cover (NLA)
45659	61111-98603-0ED	Lower Engine Cover (NLA)
45660	61111-98650-0ED	Lower Engine Cover (NLA)
45870	09140-06023	Nut
45871	08310-00067	Nut

▶Fig. 23 - Lower Cover(1997 to 1998) (8 parts)

Ref	OEM Part #	Part Name
1	61111-986V0-0ED	Lower Engine Cover (NLA)
2	61112-98612	Lower Engine Cover Rubber
3	09117-06040-XC0	Bolt (6x15)
4	61600-98800	Fastener Set (NLA)
5	02112-05167	SCREW
6	08310-00057	Nut
7	61521-98400	Shear Pin Holder (NLA)
8	61211-98302-064	Fuel Cock Mark (NLA)

▶Fig. 25 - Engine Cover(1988 to 1993) (11 parts)

Ref	OEM Part #	Part Name
1	61410-98620-0EM	Engine Cover Assembly (NLA)
2	61435-98640-70G	Rear Engine Cover Mark (NLA)
3	61443-98640-70G	Starboard Engine Cover Decal (NLA)
4	61453-98640-70G	Port Engine Cover Decal (NLA)
5	21131-94J00-YAY	Clutch Shift Mark
6	68111-47C10-019	Suzuki Emblem
7	61611-98610	Upper Cover Fastener (NLA)
8	61412-98601	Upper Cover Hook (NLA)
9	09229-04020	Rivet
10	61622-98600	Recoil Starter Seal (NLA)
11	61581-98620	Engine Cover Label

▶Fig. 26 - Engine Cover(1994 to 1996) (10 parts)

Ref	OEM Part #	Part Name
1	61410-98891-0EM	Engine Cover Set (NLA)
2	61412-98601	Upper Cover Hook (NLA)
3	61611-98610	Upper Cover Fastener (NLA)
4	09229-04020	Rivet
5	61435-98670	Rear Engine Cover Mark (NLA)
6	61440-98600	Engine Cover Stripe Set (NLA)
7	68111-01C20-C4Z	Suzuki Emblem (NLA)
8	21131-94J00-YAY	Clutch Shift Mark
9	61622-98600	Recoil Starter Seal (NLA)
10	61581-98620	Engine Cover Label

▶Fig. 27 - Engine Cover(1997 to 1998) (8 parts)

Ref	OEM Part #	Part Name
1	61400-98800-0EM	Engine Cover Set (NLA)
2	61622-98600	Recoil Starter Seal (NLA)
3	61435-98680	Rear Engine Cover Mark (NLA)
4	61443-986A0	Starboard Engine Cover Stripe
5	61453-986A0	Port Engine Cover Stripe
6	68166-98600-0JW	Suzuki Emblem (NLA)
7	61581-98620	Engine Cover Label
8	09800-01016	Tool Set

▶Fig. 29 - Fuel Tank(1988 to 1993) (11 parts)

Ref	OEM Part #	Part Name
2	65510-98900	Fuel Tank Cap Assembly (NLA)
3	65561-98600	Tank Cap Gasket
4	65261-98601	Fuel Tank Bracket
5	09117-06049	Bolt (6x25)
6	09162-06006	Lock Washer
7	65283-98600	Cushion (NLA)
8	09329-12004	Cushion
9	65281-98601	Fuel Tank Grommet (NLA)
10	09800-01016	Tool Set
45658	65110-98601	Fuel Tank (NLA)
45659	65110-98610	Fuel Tank (NLA)

▶Fig. 3 - Crankshaft (20 parts)

Ref	OEM Part #	Part Name
1	12110-98601	Piston
2	12140-99604	Piston Ring Set
3	12151-35400	Piston Pin
4	09381-12001	Piston Pin Circlip
5	09263-12023	Bearing (12x16x16)
6	12200-98604	Crankshaft Assembly (NLA)
7	12161-98602	Connecting Rod
8	09263-17022	Bearing (17x23x13.8)
9	12211-96001	Crankshaft Pin (NLA)
10	12221-98600	Upper Crankshaft (NLA)
11	12240-98602	Under Crankshaft (NLA)
12	09262-20069	Bearing (20x47x44)
13	09283-20018	Oil Seal (20x37x9)
14	09283-10003	Oil Seal
15	09160-38001	Washer
16	09283-20045	Crankshaft Oil Seal
45674	12100-98601-025	Piston & Ring Set (OS:0.25) (NLA)
45675	12140-28630-025	Piston Ring Set (OS:0.25) (NLA)
45705	12100-98601-050	Piston & Ring Set (OS:0.50) (NLA)
45706	12140-28630-050	Piston Ring Set (OS:0.50)

▶Fig. 30 - Fuel Tank(1994 to 1998) (13 parts)

Ref	OEM Part #	Part Name
1	65111-98624	Fuel Tank
2	65510-91J02	Fuel Tank Cap Assembly
3	09168-32003	Tank Cap Gasket
4	09119-06097	Bolt
5	65260-98610	Fuel Tank Bracket (NLA)
6	65281-98610	Fuel Tank Grommet (NLA)
7	65284-98600	Fuel Tank Washer (NLA)
8	01570-06257	BOLT
9	09329-12004	Cushion
10	08316-10067	Nut
11	02162-06207	SCREW
12	09160-06084	Washer (6.5x18x1.6)
13	09800-01016	Tool Set

▶Fig. 32 - Fuel Tank (12 parts)

Ref	OEM Part #	Part Name
1	65000-99J01	3 Gallon Fuel Tank
2	65520-99100	Fuel Tank Cap (NLA)
3	65561-95D00	Fuel Tank Cap Gasket
4	99105-00192	Fuel Tank Connector (11mm)
5	65831-95D00	Fuel Outlet Filter
6	65890-99100	Outlet Assembly
7	65892-95D00	Fuel Outlet O-Ring
8	65700-95D18	Fuel Hose
9	65750-98506	Fuel Hose Connector (11mm)
10	65770-99703	Squeeze Pump (NLA)
11	65781-98500	Hose Clip
12	65720-985L1	Fuel Connector (11mm)

▶Fig. 33 - Tiller Handle(1988 to 1992) (25 parts)

Ref	OEM Part #	Part Name
1	63111-98620-0ED	Tiller Handle
2	63115-98600	Tiller Handle Bushing
3	63116-98603	Tiller Handle Mount
4	63125-98610	Tiller Handle Stopper (NLA)
5	63210-93E30	Handle Grip
6	63221-98600	Handle Rod (NLA)
7	63225-98601	Throttle Adjust Plate
8	63241-986B0	Handle Rod Support
9	63244-986A0	Throttle Adjust Knob
10	09126-06006	Screw (6x20)
11	09136-05041	Screw (5x20)
12	63610-986A0	Throttle Cable Assembly
13	63621-98600	Throttle Cable Guide
14	09308-05015	Grommet
15	09308-05018	Grommet (NLA)
16	01500-05127	BOLT
17	08321-0105A	Lock Washer
18	08322-01057	Washer
19	63215-93400	Handle Grip Mark
20	09280-20004	O-Ring
21	09148-06008	Nut
22	09404-06036	Clamp (L:80)
23	63125-98611	Tiller Handle Stopper (NLA)
24	09250-13005	Plug (NLA)
25	01570-06167	BOLT

▶Fig. 34 - Tiller Handle(1993 to 1998) (25 parts)

Ref	OEM Part #	Part Name
2	63115-98600	Tiller Handle Bushing
3	63116-98603	Tiller Handle Mount
5	63210-93E30	Handle Grip
5A	63213-94400	Stop Switch Cap
6	63221-98600	Handle Rod (NLA)
7	63225-98601	Throttle Adjust Plate
8	63241-986B0	Handle Rod Support
9	63244-986A0	Throttle Adjust Knob
10	63610-986A0	Throttle Cable Assembly
11	63621-98600	Throttle Cable Guide
12	09126-06015	Screw (6x23)
13	09136-05041	Screw (5x20)
14	09148-06008	Nut
15	09308-05015	Grommet
17	09308-05018	Grommet (NLA)
18	09404-06036	Clamp (L:80)
20	63215-93110	Handle Grip Mark
21	63125-98611	Tiller Handle Stopper (NLA)
22	01570-06167	BOLT
45658	63111-98620-0ED	Tiller Handle
45659	63111-98620-0ED	Tiller Handle
45676	01570-05127	Bolt (NLA)
45707	01550-06167	BOLT
45748	63125-98610	Tiller Handle Stopper (NLA)
45749	63125-98612	Tiller Handle Stopper (NLA)

▶Fig. 36 - Opt: Electrical (20 parts)

Ref	OEM Part #	Part Name
1	32200-98610	Lighting Coil (NLA)
2	09180-05022	Spacer (NLA)
3	02112-0530A	Screw
4	08321-0105A	Lock Washer
5	39600-93910	Receptacle Set (NLA)
6	39601-95D00	Lighting Receptacle Assembly
7	36634-93910	Connector Cap
8	39602-93900	Lamp Cord Plug Assembly
9	39603-94400	Receptacle Grommet (NLA)
11	37802-98600	Emergency Switch Set (NLA)
12	37830-89X51	Emergency Switch Assembly (NLA)
13	37824-92D00	Grommet (NLA)
14	37950-93901	Switch Bracket (NLA)
15	37824-98100	Grommet (NLA)
16	37802-93931	Emergency Switch Set
17	32200-98600	Lighting Coil
18	02112-0520B	SCREW
19	08321-0105A	Lock Washer
45931	09407-25402	Clamp (L:248)
45932	09407-14403	Clamp (L:125)

▶Fig. 38 - Opt: Electrical (18 parts)

Ref	OEM Part #	Part Name
1	32801-98602	Rectifier Set (NLA)
2	32800-95D02	Rectifier & Regulator Assembly
3	32890-98600	Rectifier Bracket (NLA)
4	37132-93700	Wire Connector
5	36791-95200	Fuse Case Holder (NLA)
6	36740-95253	Fuse Case Assembly
6A	09481-20001	20 Amp Fuse
7	09103-06049	Bolt (6x12) (NLA)
8	02142-05257	SCREW 5 X 20
9	02112-06087	6X8 CROSS SCREW
10	08321-0105A	Lock Washer
11	08321-01067	Lock Washer
12	37801-98300	Lead (NLA)
13	32500-95722	Voltage Regulator Assembly (NLA)
14	02112-06107	SCREW
15	08321-01067	Lock Washer
16	08322-01067	Washer (6.5x13x1.0)
17	36990-87D00	Terminal & Sleeve Set

▶Fig. 39 - Opt: Fuel Tank(1988 to 1992) (42 parts)

Ref	OEM Part #	Part Name
1	65800-92813	Fuel Tank Set (NLA)
2	65510-92D00	Fuel Tank Cap Assembly
3	65561-92D00	Tank Cap Gasket
4	02112-16167	SCREW
6	65720-94411	Fuel Connector (NLA)
8	65850-92D51	Fuel Gauge Assembly (NLA)
11	65853-92D00	Lens (NLA)
13	03222-04083	Screw (NLA)
14	65864-92D00	Float (NLA)
15	65866-92D00	Push Nut (NLA)
16	65871-92D00	Gasket (NLA)
17	65700-87D16	Fuel Hose (NLA)
18	65750-94404	Fuel Hose Connector
20	65781-98500	Hose Clip
21	65720-94403	Fuel Connector
22	08310-00107	Nut
23	65871-93010	Fuel Gauge Gasket
24	01500-06107	BOLT
25	08322-01067	Washer (6.5x13x1.0)
27	65880-98500	Fuel Tank Outlet Assembly (NLA)
28	65830-93301	Fuel Outlet Filter (NLA)
29	02112-05087	SCREW
30	08321-0105A	Lock Washer
31	08322-01057	Washer
32	65700-98583	Fuel Hose (NLA)
33	65750-94404	Fuel Hose Connector
35	65781-98500	Hose Clip
36	09401-11403	Fuel Hose Clip
37	65700-92D20	Fuel Hose Joint (NLA)
38	65750-94404	Fuel Hose Connector
39	65779-93900	Fuel Hose Union (NLA)
40	65781-98500	Hose Clip
45778	09168-06004	Washer
45779	09168-06026	Gasket
45839	09168-12001	Gasket
45840	09168-12015-XC0	Gasket (12.2x21x0.8)
45901	65855-92D00	Gauge Cover (NLA)
45902	65855-92D10	Gauge Cover (NLA)
45931	65854-92D10	Lens Gasket (NLA)
45932	65854-92D20	Lens Gasket (NLA)
45992	65854-92D00	Lens Gasket (NLA)
45993	65854-92D30	Lens Gasket (NLA)

▶Fig. 40 - Opt: Fuel Tank(1988 to 1992) (33 parts)

Ref	OEM Part #	Part Name
1	65800-92813	Fuel Tank Set (NLA)
2	65510-92D00	Fuel Tank Cap Assembly
3	65561-92D00	Tank Cap Gasket
4	02142-06167	6 X 16 CROSS SC
5	09168-06026	Gasket
6	65740-95501	Fuel Tank Connector (13mm)
7	09168-12015-XC0	Gasket (12.2x21x0.8)
8	65850-92D51	Fuel Gauge Assembly (NLA)
9	65855-92D10	Gauge Cover (NLA)
10	65854-92D20	Lens Gasket (NLA)
11	65853-92D00	Lens (NLA)
12	65854-92D30	Lens Gasket (NLA)
13	03222-04083	Screw (NLA)
14	65864-92D00	Float (NLA)
15	65866-92D00	Push Nut (NLA)
16	65871-92D00	Gasket (NLA)
17	65700-87D85	Fuel Hose
18	65750-95501	Fuel Hose Connector (13mm)
19	65750-98506	Fuel Hose Connector (11mm)
20	65770-95540	Squeeze Pump (NLA)
21	65781-98500	Hose Clip
22	65700-92D30	Fuel Hose Joint (NLA)
23	65750-98506	Fuel Hose Connector (11mm)
24	65779-93900	Fuel Hose Union (NLA)
25	65781-98500	Hose Clip
26	65700-95D18	Fuel Hose
27	65750-98506	Fuel Hose Connector (11mm)
28	65770-99703	Squeeze Pump (NLA)
29	65781-98500	Hose Clip
30	61441-98500	Suzuki Mark (NLA)
31	65720-985L1	Fuel Connector (11mm)
32	09140-10032	Nut
33	08321-01107	Lock Washer

▶Fig. 41 - Opt: Fuel Tank(1993 to 1998) (13 parts)

Ref	OEM Part #	Part Name
1	65000-99J01	3 Gallon Fuel Tank
2	65520-99100	Fuel Tank Cap (NLA)
3	65561-95D00	Fuel Tank Cap Gasket
4	99105-00192	Fuel Tank Connector (11mm)
5	65831-95D00	Fuel Outlet Filter
6	65890-99100	Outlet Assembly
7	65892-95D00	Fuel Outlet O-Ring
8	65700-95D18	Fuel Hose
9	65750-98506	Fuel Hose Connector (11mm)
10	65770-99703	Squeeze Pump (NLA)
11	65781-98500	Hose Clip
12	65720-985L1	Fuel Connector (11mm)
13	09168-12015-XC0	Gasket (12.2x21x0.8)

▶Fig. 42 - Opt: Remote Control(1988 to 1992) (39 parts)

Ref	OEM Part #	Part Name
2	67232-95600	Bushing
3	67232-95620	Bushing (NLA)
4	67296-95600	Screw
5	67294-95600	Spacer
6	09160-06104	Washer (6.5x24x2)
7	09140-06020	Nut (6mm)
8	67232-95610	Bushing (NLA)
9	67253-95600	Washer (NLA)
10	67252-95600	Bushing
11	09100-08232	Bolt (8x30)
12	67296-94300	Screw (4x10)
14	09126-05003	Screw (5x12)
15	67243-95600	Bushing (NLA)
16	67220-95620	Plate Assembly
17	67275-95600	Cable End
18	67223-95600	Brake Adjustment Knob
19	67292-94300	E Ring
21	67296-95610	Screw
23	67256-95600	Neutral Lock Holder
25	67297-95600	Washer
26	67273-95600	Spacer
27	37820-92E05	Emergency Stop Switch Assembly
28	37823-94401	Emergency Stop Switch Cap
29	67255-95600	Neutral Lock Arm
30	67261-95610	Handle Grip no PTT
31	67245-95600	Free Throttle Drum (NLA)
32	67258-87D00	Neutral Arm Bracket
33	67140-95600	Replaced by 67140-95601
45658	67200-93951	Remote Control Box (NLA)
45659	67200-93961-0ED	Remote Control Box (NLA)
45670	67241-95600	Free Throttle Lever (White) (NLA)
45677	67267-95600	Wire Cover (Blue) (NLA)
45679	67257-95600	Lever Cap (Blue)
45681	67251-95600	Handle Lever (White) (NLA)
45701	67241-95650	Free Throttle Lever (Silver) (NLA)
45708	67267-95610	Wire Cover (Black)
45710	67257-95610	Lever Cap (Black)
45712	67251-95680	Handle Lever (Gray) (NLA)
45729	67241-95680	Free Throttle Lever (Gray) (NLA)

▶Fig. 43 - Opt: Remote Control(1993 to 1998) (36 parts)

Ref	OEM Part #	Part Name
2	67232-95600	Bushing
3	67232-95620	Bushing (NLA)
4	67296-95600	Screw
5	67294-95600	Spacer
6	09160-06104	Washer (6.5x24x2)
7	09140-06020	Nut (6mm)
8	67232-95610	Bushing (NLA)
9	67253-95600	Washer (NLA)
10	67252-95600	Bushing
11	09100-08232	Bolt (8x30)
12	67296-94300	Screw (4x10)
13	67241-95680	Free Throttle Lever (Gray) (NLA)
14	09126-05003	Screw (5x12)
15	67243-95600	Bushing (NLA)
16	67220-95620	Plate Assembly
17	67275-95600	Cable End
18	67223-95600	Brake Adjustment Knob
19	67292-94300	E Ring
20	67267-95610	Wire Cover (Black)
21	67296-95610	Screw
22	67257-95610	Lever Cap (Black)
23	67256-95600	Neutral Lock Holder
24	67251-95680	Handle Lever (Gray) (NLA)
25	67297-95600	Washer
26	67273-95600	Spacer
28	37823-92E02	Stop Switch Lanyard
29	67255-95600	Neutral Lock Arm
30	67261-95610	Handle Grip no PTT
31	67245-95600	Free Throttle Drum (NLA)
32	67258-87D00	Neutral Arm Bracket
33	67140-95600	Replaced by 67140-95601
34	67282-95610	Port Decal (Black) (NLA)
45658	67200-93970-0ED	Remote Control Box (NLA)
45659	67200-93991-0ED	Remote Control Box (NLA)
45684	37820-92E05	Emergency Stop Switch Assembly
45715	37830-95D03	Emergency Stop Switch Assembly

▶Fig. 44 - Opt: Remote Control (5 parts)

Ref	OEM Part #	Part Name
1	67200-95203	Side Mount Control Box (NLA)
2	67200-95213	Side Mount Control Box (NLA)
3	67200-95871	Side Mount Control Box (NLA)
4	67214-95200	Control Box Knob (NLA)
5	67300-95810	Cable Holder Set

▶Fig. 45 - Opt: Remote Control Parts (17 parts)

Ref	OEM Part #	Part Name
1	67130-98820	Remote Control Parts Set (NLA)
2	21110-98650	Clutch Lever (NLA)
3	37800-93714	Engine Stop Switch Assembly (NLA)
4	63610-98610	Throttle Cable Assembly (NLA)
5	67340-98600	Remocon Cable Holder (NLA)
6	67340-98610	Remocon Cable Holder (NLA)
7	67410-98600	Remocon Throttle Shaft (NLA)
8	67412-98600	Remocon Throttle Lever (NLA)
9	67440-93701	Clutch Cable Guide
10	67466-95200	Cable Connector
11	09100-06131	Bolt (6x12)
12	09119-06047	Pivot Ball
13	09140-06020	Nut (6mm)
14	09140-08023-XC0	Nut (8mm)
15	09140-14030	Nut (NLA)
16	09160-08082	Washer (8.5x16x1.2)
17	09306-08002	Bushing (NLA)

▶Fig. 46 - Opt: Gasket Set (7 parts)

Ref	OEM Part #	Part Name
1	11400-98884	Engine Gasket Set
2	11162-98610	Cylinder Head Cover Gasket
3	11219-98610	Water Jacket Gasket
4	13125-98310	Carburetor Gasket
5	17472-98611	Water Pump Plate Gasket
6	52113-98610	Drive Shaft Housing Gasket
7	56132-98610	Drive Shaft Housing Gasket

▶Fig. 48 - Optional (5 parts)

Ref	OEM Part #	Part Name
1	93691-80030	Suzuki Silicone Seal
4	99000-25490	Suzuki Ecstar Super Grease C
45689	93691-80030	Suzuki Silicone Seal
45690	99000-31030	Liguid Gasket (NLA)
45691	99000-31010	Liguid Gasket 150 (NLA)

▶Fig. 5 - Carburetor (27 parts)

Ref	OEM Part #	Part Name
2	09492-45035	Pilot Jet #45
3	13268-92910	Spring
4	13534-98900	Screw
5	13269-98300	Pilot Air Screw (NLA)
6	13268-96111	Spring
7	13616-93900	Adjuster
8	13254-98300	Float Pin
9	13250-98310	Carburetor Float
10	13251-98300	Float Chamber Gasket
11	13343-98520	Bolt Chamber Gasket
12	13613-98300	Bolt (NLA)
13	13371-98300	Needle Valve
14	13245-98900	Float Chamber
15	09491-97004	Main Jet #97.5
17	13631-98610	Choke Lever Knob (NLA)
18	13633-98601	Choke Lever (NLA)
19	09148-06008	Nut
20	13125-98310	Carburetor Gasket
23	01570-06207	BOLT
45658	13200-98621	Carburetor Assembly
45659	13200-98630	Carburetor Assembly (NLA)
45673	09491-92005	Main Jet #92.5
45678	01411-0620A	BOLT,STUD
45679	08316-10067	Nut
45704	09491-20025	Main Jet #102.5
45709	09108-06060	Stud Bolt (6x18)
45710	08316-10067	Nut

▶Fig. 7 - Fuel Pump (30 parts)

Ref	OEM Part #	Part Name
1	15100-98610	Fuel Pump Assembly
2	15170-98110	Fuel Pump Diaphragm Set
3	15251-98101	Screw (NLA)
4	09352-50006-600	Hose (5x9x600)
5	09352-50006-600	Hose (5x9x600)
6	09352-50006-600	Hose (5x9x600)
7	09352-50006-600	Hose (5x9x600)
8	09367-06002	3 Way
9	66100-98601	Fuel Cock Assembly
10	66171-98301	Fuel Filter Cup
12	66152-98300	Fuel Cock Filter
13	66273-98301	Fuel Cock Gasket
14	02142-04127	SCREW 4X12 CROS
15	09352-50006-600	Hose (5x9x600)
16	09103-06048	Bolt (6x20) (NLA)
17	09401-10411	Clip
18	09401-08410	Clip
19	15410-98500	Fuel Filter
21	09140-10032	Nut
22	08321-01107	Lock Washer
24	09401-08410	Clip
25	09352-50006-600	Hose (5x9x600)
27	09352-50006-600	Hose (5x9x600)
29	65700-98680	Remote Tank Hose Set (NLA)
45677	65720-94403	Fuel Connector
45683	09352-50006-600	Hose (5x9x600)
45685	09352-50006-600	Hose (5x9x600)
45708	65720-985L1	Fuel Connector (11mm)
45714	09354-53103-600	Hose (5.3x10x600)
45716	09355-54115-600	Hose (5.4x11.4x600)

▶Fig. 9 - Water Pump (25 parts)

Ref	OEM Part #	Part Name
1	17563-98500	Water Tube Grommet
3	17564-98600	Water Tube Guide
4	09117-06038	Bolt (6x16) (NLA)
5	17415-98501	Water Pump Case Grommet
6	09289-10002	Oil Seal
7	09140-06020	Nut (6mm)
8	09162-06006	Lock Washer
9	09108-06068	Stud Bolt (6x25)
12	09420-03002	Key
13	17461-985M0	Water Pump Impeller
14	17471-98601	Water Pump Plate
15	17472-98611	Water Pump Plate Gasket
16	56130-98602	Drive Shaft Housing
17	56134-98600	Driveshaft Housing (NLA)
18	09282-10008	Oil Seal (10x21x4.5)
19	56132-98610	Drive Shaft Housing Gasket
20	09117-06049	Bolt (6x25)
21	25215-98601	Shift Rod Guide Stopper
22	17400-98652	Water Pump Repair Kit DT4 / DT5
45689	17561-98611	Water Tube (S)
45690	17561-98601	Water Tube (L)
45931	09108-06069	Stud Bolt (6x30)
45932	09108-06069	Stud Bolt (6x30)
45962	17411-98611	Water Pump Case
45963	17411-98611	Water Pump Case

100-Hour / Annual Service Checklist

Regular maintenance keeps your Suzuki DT 4SJ, DT 4LJ running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.

Replace water pump impeller and inspect wear plate
Inspect and clean carburetor(s); check fuel mixture settings
Replace spark plugs and check ignition timing
Drain and refill lower unit gear oil; inspect for water contamination
Inspect fuel lines, primer bulb, and fuel filter for deterioration
Check and replace sacrificial anodes (zinc or aluminum)
Inspect propeller for damage; check shaft seal and cotter pin
Decarbonize exhaust ports and piston crown if needed
Lubricate all grease points (steering, tilt tube, shift linkage)
Inspect control cables and throttle/shift linkage for smooth operation

Pro Tip: Always flush the engine with fresh water after saltwater use — even a quick 10-minute flush significantly extends component life.
Pro Tip: Use fuel stabilizer in the tank before winter storage, and fog the cylinders to prevent internal corrosion during extended periods of non-use.

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