Suzuki DT 30MCSV, DT 30CRSV, DT 30CRLV (1997) Parts & Diagrams

OEM and aftermarket replacement parts for Suzuki DT 30MCSV, DT 30CRSV, DT 30CRLV. Scroll down for exploded parts diagrams (2), specifications, and maintenance reference.

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photo of a JLM Marine thermostat, 60°c, 17670-94402, with silver dome, black seal, and brass fitting, showing copper wax pellet interior
Thermostat (60°C/140°F) – Fits Suzuki Marine Outboard Engines 9.9-70HP (Replaces 17670-94402, 17670-94400, 17670-94404)
$27.49
$27.49
files/21TH032_1_e06ef7f7-6f4d-4aa0-97be-842b5752b220.jpgDefault Title
$27.49

Suzuki DT 30MCSV, DT 30CRSV, DT 30CRLV (1997) Parts & Diagrams

🔎 Suzuki DT 30MCSV, DT 30CRSV, DT 30CRLV Reference Library — Exploded parts diagrams (2 diagrams), specifications, common issues, and maintenance checklist.

The Suzuki DT 30MCSV, DT 30CRSV, DT 30CRLV is a 2-Stroke 2-Cylinder outboard motor. Commonly used on jon boats, pontoons, and mid-size utility craft.

Quick Reference Specifications

Specification Value
Engine Type 2-Stroke 2-Cylinder
Horsepower 30 HP
Displacement 499 cc
Bore x Stroke 71.0 x 63.0 mm
Spark Plug (Type & Gap) NGK B7HS-10
Engine Oil Capacity 2.1 L (CCI injection tank)
Recommended Engine Oil TC-W3 Certified 2-Stroke Oil
Gear Case Oil Capacity 380 mL
Idle Speed (in gear) 780 RPM (in gear)
Full Throttle RPM Range 5000-5600 RPM
Fuel Unleaded Gasoline, 87 Octane min.

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 30MCSV, DT 30CRSV, DT 30CRLV:

  • 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 30MCSV, DT 30CRSV, DT 30CRLV.

▶Fig. 1 - Cylinder (25 parts)
Ref OEM Part # Part Name
1 11161-94400-0ED Cylinder Head Cover
2 11162-92L00 Cylinder Head Cover Gasket
3 11111-94401-0ED Cylinder Head (NLA)
4 11141-94450 Cylinder Head Gasket
5 01560-08757 BOLT
6 09103-06182 Bolt (6x28)
7 11291-94402 Engine Hook (NLA)
8 01550-08357 BOLT
10 16710-94420 Oil Check Valve (NLA)
11 04211-09109 DOWEL PIN
12 01550-10557 BOLT
13 01560-10657 BOLT
14 01550-06407 BOLT
15 09103-06183 Bolt (6x38)
16 17685-94410 Thermostat Gasket
17 17681-94401-0ED Thermostat Cover
18 09205-06011 Pin (NLA)
19 17670-94404 Thermostat (60c)
20 11281-94400 Zinc Anode
21 09126-06005 Screw (6x30)
22 09351-25703-600 Hose (2.5x7x600)
23 09351-25703-600 Hose (2.5x7x600)
24 09401-06405 Clamp
45901 11301-94446-0ED Cylinder Assembly (NLA)
45902 11301-94452-0ED Cylinder Assembly (NLA)
▶Fig. 2 - Crankshaft (34 parts)
Ref OEM Part # Part Name
3 12151-94400 Piston Pin
4 09381-20003 Circlip
5 09263-20072 Bearing (20x26x24)
6 09169-20006 Washer
7 12200-94490 Crankshaft Assembly (NLA)
8 12161-92L00 Connecting Rod
9 09263-27005 Bearing (27x37x22)
10 09160-27008 Washer
11 12211-94410 Crank Pin (NLA)
12 12221-94412 Upper Crankshaft (NLA)
13 12232-94412 Under Crankshaft Wheel (NLA)
14 09289-45L01 Oil Seal (45x72x12)
15 12231-94413 Upper Crankshaft Wheel (NLA)
18 09181-30212 Washer (NLA)
19 12240-94432 Under Crankshaft (NLA)
20 09269-30012 Bearing (30x72x19)(NLA)
21 09262-35L09 Bearing (35x72x17)
22 09262-35053 Bearing (35x80x21)
23 09181-30167 Shim (1.00)
24 08331-31309 CIRCLIP
25 08211-30385 Thrust Washer (2.50)
26 09283-30077 Oil Seal (30x55x8x)
27 09283-35L01 Crankshaft Oil Seal
28 09390-72008 C Ring
45658 12110-94400 Piston
45659 12100-94400-025 Piston & Ring Set (OS:0.25)
45660 12100-94400-050 Piston & Ring Set (OS:0.50)
45673 16321-95301 Oil Pump Drive Gear (NLA)
45674 09421-08001 Key
45689 12140-94400 Piston Ring Set
45690 12140-94400-025 Piston Ring Set (OS:0.25) (NLA)
45691 12140-94400-050 Piston Ring Set (OS:0.50)
45704 16321-95310 Oil Pump Drive Gear (NLA)
45705 09421-08002 Key (NLA)

100-Hour / Annual Service Checklist

Regular maintenance keeps your Suzuki DT 30MCSV, DT 30CRSV, DT 30CRLV running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.

  1. Replace water pump impeller and inspect wear plate
  2. Inspect and clean carburetor(s); check fuel mixture settings
  3. Replace spark plugs and check ignition timing
  4. Drain and refill lower unit gear oil; inspect for water contamination
  5. Inspect fuel lines, primer bulb, and fuel filter for deterioration
  6. Check and replace sacrificial anodes (zinc or aluminum)
  7. Inspect propeller for damage; check shaft seal and cotter pin
  8. Decarbonize exhaust ports and piston crown if needed
  9. Lubricate all grease points (steering, tilt tube, shift linkage)
  10. 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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