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Yamaha ME421STIP1 (Hydra Drive) Marine

Name: Yamaha ME421STIP1 (Hydra Drive) marine engine
Brand: Yamaha Inboard
SKU: YA-ME421STIP1

Yamaha Inboard Yamaha ME421STIP1 (Hydra Drive) · YA-ME421STIP family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine likely

The Yamaha ME421STIP1 shares the ME421STI's marinized Toyota 1HD-series 4.2 L inline-6 block. Internals cross toward Toyota 1HD with the Yamaha-proprietary piston/ring caveat. source

240 hp176.5 kW

4164 ccdisplacement

94×100 mmbore × stroke

6-cylcylinders

from 2001year range (approx)

Turbo + ICaspiration

Parts cat N522; covered by ME421STIP ME421DTIP Parts Catalogue

📋 Full specifications 🚜 Industrial / tractor base 🔧 Aftermarket 5

Cheaper-part coverage · 1/8

🚜 Base engine ✓🌀 Impeller💧 Raw-water pump🛢️ Oil filter⛽ Fuel filter🌡️ Thermostat➰ Belt⚓ Anode

A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.

Parts by section · 53 assemblies

The exploded parts diagrams for the Yamaha ME421STIP1 (Hydra Drive), grouped by system. Open a figure for its callout part numbers and per-variant quantities.

Other

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

📚 Manuals & Sources

Specs— none yet

Operator's Manual— none yet

Service / Workshop Manual— none yet

Parts Catalog / List— none yet

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Category: Marine
Engine family: YA-ME421STIP
Year range (approx): from 2001
Cylinders: 6
Rated output: 240 hp (176.5 kW)
Bore × stroke: 94 × 100 mm
Displacement: 4164 cc
Max rpm: 3800
Aspiration: Turbocharged + intercooled

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