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When it's all riding on your outboard, you want maximum muscle. Outstanding throttle response. Instant acceleration. And unbeatable fuel efficiency and reliability. That's why you want a Yamaha V MAX HPDI.

The Engine Control Module regulates the HPDI System, to ensure superior power, fuel economy and reliability. Here's how HPDI works. Six sophisticated sensors help the microcomputer optimize ignition timing and air/fuel mixture. Fuel is drawn through the fuel pumpand vapor seperator, then pressurized by the high-speed fuel pump to 700psi. Proven and reliable internal-opening fuel injectors distribute the fuel to each individual cylinder enhancing fuel distribution for maximum power and greater fuel economy.

2.6L HPDI feature the 76 degrees V-block design which is compact and provides added torque for greater acceleration.

The fuel is routed through an egine-mounted water-seperating fuel filter, a vapor seperator tank, twin high speed fuel pumps and fuel rails, then delivered through 6 individual internal opening fuel injectors
- High speed Fuel Pump
- Six Individual Fuel Injectors
- Homogeneous COmbustion Chamber Design
- Heat Treated Crankshaft, Connecting Rods and Gears
- Specially-designed Piston Rings
- Strong, Forged Pistons
- ACP-221 Paint Process
- YDC-30 Alloy
- Front-Mounted Freshwater Flushing
- Vapor Seperator
- High Output Alternator
- Analog Gauges
- Federal EPA Emission Requirements
- Two Year Limited Warranty



Parts Manual

Service Manual

Owners Manual

What year is my engine?

    Alternator: 45A
Manufacturer: YAMAHA Cooling:
Make: 150VMAX Ignition: TCI/Computer
Year: Starting: Electric
Engine Type: 150 HP VMAX Exhaust:
Horsepower: 150 Trim:
Displacement: 158.4/2596(in/cc) Fuel Induction: HPDI Loop Charged
Bore/Stroke: (in/mm) Lubrication: Precision Blend Oil Injection
Cylinders: V6 (76 degrees) Steering
RPM: 4500-5500    
Weight: 468/213(lbs/kg) PRICING These prices are the "Manufacturer Suggested Retail Prices" (MSRP). These are just for comparison.
Gear Ratio: 2.00:1 US: 14.370 dollars
Shaft lenght: 20/508(in/mm) UK: pounds
Gears: Netherlands: euros
    France: euros
    Australia: dollars

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