🔎 Yamaha 40MJHQ-PUM Reference Library — Exploded parts diagrams (7 diagrams), specifications, common issues, and maintenance checklist.
Parts Diagrams & OEM Part Numbers
Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Yamaha 40MJHQ-PUM.
▶DRIVE 1 40S - 50EL (28 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-JD009-10-00 |
DRIVESHAFT ONLY |
| 2 |
6H4-JD009-17-00 |
BEARING CARRIER W/SEALS, O-RI |
| 3 |
6H4-JD005-06-00 |
SHAFT SEAL (N472324) |
| 4 |
6H4-JD005-07-00 |
SHAFT SEAL (N6324S) |
| 5 |
6H4-JD005-21-00 |
O-RING |
| 6 |
6H4-JD005-17-00 |
RETAINING RING |
| 7 |
6H4-JD005-04-00 |
BEARING, SINGLE ROW |
| 8 |
6H4-JD008-32-00 |
THRUST WASHER |
| 9 |
6H4-JD004-77-00 |
COLLAR, BACKFIT |
| 10 |
6H4-JD008-33-00 |
SPACER |
| 11 |
6H4-JD004-33-00 |
SEAL CARRIER |
| 12 |
6H4-JD005-26-00 |
O-RING |
| 13 |
6H4-JD005-17-00 |
RETAINING RING |
| 14 |
6H4-JD005-06-00 |
SHAFT SEAL (N472324) |
| 15 |
6H4-JD005-07-00 |
SHAFT SEAL (N6324S) |
| 16 |
6H4-JD005-12-00 |
RETAINING RING |
| 17 |
6H4-JD005-61-00 |
SCREW |
| 18 |
6H4-JD006-37-00 |
WASHER, SPRING LOCK #10 |
| 19 |
6H4-JD000-36-00 |
SHAFT SLEEVE, IMPELLER |
| 20 |
6H4-JD007-82-00 |
KEY, TEE |
| 21 |
6H4-JD000-21-00 |
SHIM WASHER |
| 22 |
6H4-JD008-05-00 |
NUT, KEEPER |
| 23 |
6H4-JD000-22-10 |
NUT, DRIVESHAFT FLAT |
| 24 |
6H4-JD000-41-00 |
SHAFT BEARING THRUST RING |
| 25 |
90280-03024-00 |
KEY, WOODRUFF |
| 26 |
6H4-JD005-99-00 |
BOLT, HEX HEAD |
| 27 |
6H4-JD006-40-00 |
WASHER, SPRING LOCK |
| 28 |
6H4-JD005-11-00 |
RETAINING RING |
▶EMBLEMS 40S - 50EL (3 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-42686-50-00 |
EMBLEM, FRONT 28 HP (J-F) |
| 2 |
6H4-42687-50-00 |
EMBLEM, REAR 28/35 (J-F) |
| 3 |
6H4-28HPG-RP-HC |
28 HP J/D GRAPHIC (J-F) |
▶INTAKE ASSEMBLY 40S - 50EL (9 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-JD000-31-21 |
INTAKE ASSEMBLY 6-1/8 |
| 2 |
6H4-JD000-07-00 |
INTAKE CASING 6-1/8 |
| 3 |
6H4-JD000-93-22 |
LINER 6-1/8 W/HARDWARE |
| 4 |
6H4-JD000-16-00 |
GRILL BAR |
| 5 |
6H4-JD000-14-00 |
GRILL ROD |
| 6 |
6H4-JD005-72-00 |
BOLT |
| 7 |
6H4-JD006-38-00 |
WASHER, SPRING LOCK |
| 8 |
6H4-JD000-08-22 |
IMPELLER |
| 9 |
6H4-JD005-64-00 |
CAP SCREW |
▶MAIN HOUSING 40S - 50EL (43 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-JD009-02-00 |
MAIN HOUSING W/EX TUBE |
| 2 |
6H4-JD006-31-00 |
DOWEL PIN |
| 3 |
6H4-JD009-75-00 |
GREASE HOSE |
| 4 |
6H4-JD005-39-00 |
GREASE FITTING |
| 5 |
6H4-JD008-46-00 |
U-BOLT |
| 6 |
6H4-JD006-21-00 |
NUT, NYLOC |
| 7 |
6H4-JD000-80-00 |
EXHAUST TUBE |
| 8 |
6H4-JD001-16-90 |
GATE BUMPER |
| 9 |
6H4-JD001-03-50 |
SHIFT CAM, MEDIUM |
| 10 |
6H4-JD001-04-30 |
SHAFT, ROLLER |
| 11 |
6H4-JD006-35-00 |
WASHER, PLAIN |
| 12 |
6H4-JD001-19-90 |
PIVOT - CABLE END |
| 13 |
6H4-JD005-45-00 |
TERMINAL EYE |
| 14 |
6H4-JD007-77-00 |
SHIFTER BUSHING |
| 15 |
6H4-JD006-24-00 |
NUT, FIBER LOCK |
| 16 |
6H4-JD005-74-10 |
BOLT, HEX HEAD NYLOC |
| 17 |
6H4-JD001-03-60 |
CAM, ECCENTRIC DRILLED |
| 18 |
6H4-JD001-04-20 |
SHAFT, ROLLER |
| 19 |
6H4-JD006-35-00 |
WASHER, PLAIN |
| 20 |
6H4-JD006-24-00 |
NUT, FIBER LOCK |
| 21 |
6H4-JD001-56-00 |
BRACKET, CABLE SUPPORT |
| 22 |
6H4-JD005-43-00 |
CABLE CLAMP |
| 23 |
6H4-JD005-61-00 |
SCREW |
| 24 |
6H4-JD006-19-00 |
NUT, FIBER LOCK |
| 25 |
6H4-JD005-72-00 |
BOLT |
| 26 |
6H4-JD006-35-00 |
WASHER, PLAIN |
| 27 |
6H4-JD001-17-60 |
GATE ASSY MED CAM |
| 28 |
6H4-JD011-75-01 |
REVERSE GATE, MEDIUM |
| 29 |
6H4-JD005-35-00 |
NYLON SLEEVE |
| 30 |
6H4-JD008-22-00 |
PIN, REVERSE PIVOT |
| 31 |
6H4-JD005-74-00 |
BOLT |
| 32 |
6H4-JD005-42-00 |
SHIM |
| 33 |
6H4-JD001-02-40 |
FLUSH SCREW |
| 34 |
6H4-JD001-02-50 |
WASHER, FIBER M8 |
| 35 |
6H4-JD000-62-00 |
NUT HEX JAM 1/4-28 |
| 36 |
6H4-JD006-38-00 |
WASHER, SPRING LOCK |
| 37 |
6H4-JD006-22-00 |
NUT, JAM 1/4-28 |
| 38 |
6H4-JD001-03-70 |
BUSHING, CAM |
| 39 |
6H4-JD001-03-80 |
WASHER, CAM |
| 40 |
6H4-JD001-03-90 |
SHIM, CAM |
| 41 |
6H4-JD001-17-00 |
SPRING, GATE BUMPER |
| 42 |
6H4-JD005-58-00 |
SCREW, FIL HD SLOTTED |
| 43 |
6H4-JD001-17-70 |
WASHER, SPRING |
▶REMOTE SHIFT ASSEMBLY 40S - 50EL (14 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-JD008-86-00 |
SPACER 5/16ID X 1/2 |
| 2 |
6H4-JD001-21-40 |
SHIFT LEVER ZM |
| 3 |
6H4-JD001-21-30 |
SHIFT ROD ZSM 18 7/8 |
| 4 |
6H4-JD001-16-40 |
SPRING-ROD END |
| 5 |
6H4-JD005-51-00 |
KNOB, 1-3/8 DIA |
| 6 |
6H4-JD005-58-00 |
SCREW, FIL HD SLOTTED |
| 7 |
6H4-JD005-59-00 |
FIL HD SLOTTED 10-32 X 1 |
| 8 |
6H4-JD006-02-00 |
BOLT HEX HD 5/16-18 X 1 |
| 9 |
6H4-JD006-22-00 |
NUT, JAM 1/4-28 |
| 10 |
6H4-JD000-24-00 |
ROD END |
| 11 |
6H4-JD006-21-00 |
NUT, NYLOC |
| 12 |
6H4-JD006-35-00 |
WASHER, PLAIN |
| 13 |
6H4-JD006-45-00 |
COTTER PIN |
| 19 |
6H4-JD001-21-50 |
SHIFT GATE ASSEMBLY |
▶REPAIR KIT 40S - 50EL (14 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-JD008-03-00 |
SEAL, SNAP & O-RING KIT |
| 2 |
6H4-JD005-06-00 |
SHAFT SEAL (N472324) |
| 3 |
6H4-JD005-07-00 |
SHAFT SEAL (N6324S) |
| 4 |
6H4-JD005-17-00 |
RETAINING RING |
| 5 |
6H4-JD000-41-00 |
SHAFT BEARING THRUST RING |
| 6 |
6H4-JD005-11-00 |
RETAINING RING |
| 7 |
6H4-JD005-12-00 |
RETAINING RING |
| 8 |
6H4-JD005-26-00 |
O-RING |
| 9 |
6H4-JD008-04-00 |
SEAL, SNAP & O-RING KIT |
| 10 |
6H4-JD004-33-00 |
SEAL CARRIER |
| 11 |
6H4-JD005-04-00 |
BEARING, SINGLE ROW |
| 12 |
6H4-JD008-32-00 |
THRUST WASHER |
| 13 |
6H4-JD004-77-00 |
COLLAR, BACKFIT |
| 14 |
6H4-JD008-33-00 |
SPACER |
▶WATER PUMP & ADAPTER 40S - 50EL (19 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
6H4-JD009-04-00 |
ADAPTER PLATE, (Z) |
| 2 |
6H4-JD009-06-00 |
ADAPTER, WATER PUMP |
| 3 |
6H4-JD006-16-00 |
DOWEL PIN |
| 4 |
93604-08062-00 |
PIN, DOWEL |
| 5 |
6H4-JD009-28-00 |
SHIFT ROD GUIDE, SPONGE |
| 6 |
6H4-JD006-06-00 |
BOLT, 3/8-16 X 1-14" |
| 7 |
6H4-JD005-91-00 |
BOLT |
| 8 |
6H4-JD006-40-00 |
WASHER, SPRING LOCK |
| 9 |
6H4-JD005-92-00 |
BOLT |
| 10 |
6H4-JD006-41-00 |
WASHER, SPRING LOCK 3/8 |
| 11 |
663-44324-00-00 |
GASKET, CARTRIDGE |
| 12 |
663-44323-00-00 |
OUTER PLATE, CARTIDGE |
| 13 |
663-44315-00-00 |
GASKET, WATER PUMP |
| 14 |
6H4-44352-02-00 |
IMPELLER |
| 15 |
663-44322-00-00 |
INSERT, CARTRIDGE |
| 16 |
663-44311-02-00 |
HOUSING, WATER PUMP |
| 17 |
6H4-JD005-98-00 |
BOLT, HEX HEAD |
| 18 |
6H4-JD005-99-00 |
BOLT, HEX HEAD |
| 19 |
6H4-JD006-40-00 |
WASHER, SPRING LOCK |
