Catalogs / Yamaha / Inboard

Yamaha ME421STI Parts Catalog

Yamaha ME421STI Inboard parts and diagrams

Yamaha ME421STI inboard parts catalog includes CYLINDER HEAD, CYLINDER BLOCK, TIMING GEAR COVER. REAR END PLATE, CRANKSHAFT. PISTON, CAMSHAFT. VALVE, OIL PUMP, OIL FILTER. COOLER, WATER PUMP (CIRCULATION), GLOW PLUG, INJECTION NOZZLE, NOZZLE HOLDER ASSY, ADJUSTING SHIM (FOR NOZZLE HOLDER ASSY), INJECTION PUMP, FLYWHEEL HOUSING 1 (ME421STIP1/STIP2), FLYWHEEL HOUSING 2 (ME421DTIP1/DTIP2), MOUNTING 1 (ME421STIP1/STIP2), MOUNTING 2 (ME421DTIP1/DTIP2), OIL COOLER 1, OIL COOLER 2 (ME421DTIP1/DTIP2). Open a section to view exploded diagrams, reference numbers, OEM article numbers, quantities and matched Marmoom Marine store products.

3 linked store products are available across 53 catalog sections. 801 catalog rows are listed for this model. Confirm the exact model, serial range and year before ordering marine engine parts.

Yamaha ME421STI CYLINDER HEAD parts diagram
Fig. 1 — CYLINDER HEAD
19 items
Yamaha ME421STI CYLINDER BLOCK parts diagram
Fig. 2 — CYLINDER BLOCK
17 items
Yamaha ME421STI TIMING GEAR COVER. REAR END PLATE parts diagram
Fig. 3 — TIMING GEAR COVER. REAR END PLATE
16 items
Yamaha ME421STI CRANKSHAFT. PISTON parts diagram
Fig. 4 — CRANKSHAFT. PISTON
25 items
Yamaha ME421STI CAMSHAFT. VALVE parts diagram
Fig. 5 — CAMSHAFT. VALVE
24 items
Yamaha ME421STI OIL PUMP parts diagram
Fig. 6 — OIL PUMP
11 items
Yamaha ME421STI OIL FILTER. COOLER parts diagram
Fig. 7 — OIL FILTER. COOLER
14 items
Yamaha ME421STI WATER PUMP (CIRCULATION) parts diagram
Fig. 8 — WATER PUMP (CIRCULATION)
9 items
Yamaha ME421STI GLOW PLUG, INJECTION NOZZLE parts diagram
Fig. 9 — GLOW PLUG, INJECTION NOZZLE
7 items
Yamaha ME421STI NOZZLE HOLDER ASSY parts diagram
Fig. 10 — NOZZLE HOLDER ASSY
9 items
Yamaha ME421STI ADJUSTING SHIM (FOR NOZZLE HOLDER ASSY) parts diagram
Fig. 11 — ADJUSTING SHIM (FOR NOZZLE HOLDER ASSY)
59 items
Yamaha ME421STI INJECTION PUMP parts diagram
Fig. 12 — INJECTION PUMP
17 items
Yamaha ME421STI FLYWHEEL HOUSING 1 (ME421STIP1/STIP2) parts diagram
Fig. 13 — FLYWHEEL HOUSING 1 (ME421STIP1/STIP2)
25 items · 1 available products
Yamaha ME421STI FLYWHEEL HOUSING 2 (ME421DTIP1/DTIP2) parts diagram
Fig. 14 — FLYWHEEL HOUSING 2 (ME421DTIP1/DTIP2)
16 items · 1 available products
Yamaha ME421STI MOUNTING 1 (ME421STIP1/STIP2) parts diagram
Fig. 15 — MOUNTING 1 (ME421STIP1/STIP2)
8 items
Yamaha ME421STI MOUNTING 2 (ME421DTIP1/DTIP2) parts diagram
Fig. 16 — MOUNTING 2 (ME421DTIP1/DTIP2)
14 items
Yamaha ME421STI OIL COOLER 1 parts diagram
Fig. 17 — OIL COOLER 1
9 items
Yamaha ME421STI OIL COOLER 2 (ME421DTIP1/DTIP2) parts diagram
Fig. 18 — OIL COOLER 2 (ME421DTIP1/DTIP2)
9 items
Yamaha ME421STI LUBRICATION SYSTEM parts diagram
Fig. 19 — LUBRICATION SYSTEM
15 items
Yamaha ME421STI VENTILATION parts diagram
Fig. 20 — VENTILATION
13 items · 1 available products
Yamaha ME421STI WATER COOLER (HEAT EXCHANGER) parts diagram
Fig. 21 — WATER COOLER (HEAT EXCHANGER)
15 items
Yamaha ME421STI WATER COOLING 1 (OUTLET) parts diagram
Fig. 22 — WATER COOLING 1 (OUTLET)
12 items
Yamaha ME421STI WATER COOLING 2 (THERMO UNIT) parts diagram
Fig. 23 — WATER COOLING 2 (THERMO UNIT)
12 items
Yamaha ME421STI SEA WATER PUMP 1 (ME421STIP1/STIP2) parts diagram
Fig. 24 — SEA WATER PUMP 1 (ME421STIP1/STIP2)
14 items
Yamaha ME421STI SEA WATER PUMP 2 (ME421DTIP1/DTIP2) parts diagram
Fig. 25 — SEA WATER PUMP 2 (ME421DTIP1/DTIP2)
16 items
Yamaha ME421STI SEA WATER PUMP SUB-ASSY parts diagram
Fig. 26 — SEA WATER PUMP SUB-ASSY
12 items
Yamaha ME421STI WATER FILTER (SEA WATER) parts diagram
Fig. 27 — WATER FILTER (SEA WATER)
23 items
Yamaha ME421STI POWER STEERING PUMP parts diagram
Fig. 28 — POWER STEERING PUMP
17 items
Yamaha ME421STI INTAKE MANIFOLD parts diagram
Fig. 29 — INTAKE MANIFOLD
8 items
Yamaha ME421STI FUEL FILTER parts diagram
Fig. 30 — FUEL FILTER
11 items
Yamaha ME421STI AIR CLEANER parts diagram
Fig. 31 — AIR CLEANER
13 items
Yamaha ME421STI AIR COOLER parts diagram
Fig. 32 — AIR COOLER
20 items
Yamaha ME421STI EXHAUST 1 parts diagram
Fig. 33 — EXHAUST 1
11 items
Yamaha ME421STI EXHAUST 2 (TURBO SUPERCHARGER:ME421STIP1/STIP2) parts diagram
Fig. 34 — EXHAUST 2 (TURBO SUPERCHARGER:ME421STIP1/STIP2)
14 items
Yamaha ME421STI EXHAUST 3 (TURBO SUPERCHARGER:ME421DTIP1/DTIP2) parts diagram
Fig. 35 — EXHAUST 3 (TURBO SUPERCHARGER:ME421DTIP1/DTIP2)
18 items
Yamaha ME421STI TURBO SUPERCHARGER ASSY parts diagram
Fig. 36 — TURBO SUPERCHARGER ASSY
10 items
Yamaha ME421STI THROTTLE CONTROL ATTACHMENT parts diagram
Fig. 37 — THROTTLE CONTROL ATTACHMENT
14 items
Yamaha ME421STI SHIFT ASSIST UNIT (ME421STIP1/STIP2) parts diagram
Fig. 38 — SHIFT ASSIST UNIT (ME421STIP1/STIP2)
13 items
Yamaha ME421STI SHIFT CONTROL (ME421DTIP1/DTIP2) parts diagram
Fig. 39 — SHIFT CONTROL (ME421DTIP1/DTIP2)
22 items
Yamaha ME421STI RESERVE TANK. TOOL parts diagram
Fig. 40 — RESERVE TANK. TOOL
13 items
Yamaha ME421STI GENERATOR parts diagram
Fig. 41 — GENERATOR
22 items
Yamaha ME421STI STARTING MOTOR parts diagram
Fig. 42 — STARTING MOTOR
15 items
Yamaha ME421STI ELECTRICAL 1 parts diagram
Fig. 43 — ELECTRICAL 1
11 items
Yamaha ME421STI ELECTRICAL 2 parts diagram
Fig. 44 — ELECTRICAL 2
10 items
Yamaha ME421STI ELECTRICAL 3 parts diagram
Fig. 45 — ELECTRICAL 3
9 items
Yamaha ME421STI PULLEYS. BELTS parts diagram
Fig. 46 — PULLEYS. BELTS
9 items
Yamaha ME421STI LABELS. CAUTIONS parts diagram
Fig. 47 — LABELS. CAUTIONS
10 items
Yamaha ME421STI TRANSMISSION 1 (HOUSING:ME421DTIP1/DTIP2) parts diagram
Fig. 48 — TRANSMISSION 1 (HOUSING:ME421DTIP1/DTIP2)
18 items
Yamaha ME421STI TRANSMISSION 2 (ROTATION & REDUCTION:ME421DTIP1/DTIP2) parts diagram
Fig. 49 — TRANSMISSION 2 (ROTATION & REDUCTION:ME421DTIP1/DTIP2)
23 items
Yamaha ME421STI OPTIONAL PARTS 1 parts diagram
Fig. 50 — OPTIONAL PARTS 1
13 items
Yamaha ME421STI OPTIONAL PARTS 2 parts diagram
Fig. 51 — OPTIONAL PARTS 2
16 items
Yamaha ME421STI OPTIONAL PARTS 3 parts diagram
Fig. 52 — OPTIONAL PARTS 3
15 items
Yamaha ME421STI OPTIONAL PARTS 4 parts diagram
Fig. 53 — OPTIONAL PARTS 4
6 items