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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 pump and vapor separator, 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.
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2.6L HPDI feature the
76° V-block design which is compact and provides added torque
for greater acceleration. |
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Special Heat Treated Crankshaft, Connecting Rods and Gears
enhance durability for long term engine life. |
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New, Special Ion-Plated Top Piston
Ring enhances durability. The oil bypass groove on the bottom
piston ring delivers the precise amount of oil to the top ring and
upper cylinder wall for even greater reliability. |
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Fuel is routed through a
an engine-mounted water-separating fuel filter, a vapor separator
tank, twin high-speed fuel pumps and fuel rails, then delivered
through 6 individual internal opening fuel injectors.
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Water Inlets
are mounted low for increased cooling
efficiency and reliability in a wide array of applications and set-ups. |
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High Speed Fuel Pump pressurizes
fuel at 700psi for maximum fuel atomization resulting in outstanding
performance and fuel economy. |
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The Vapor Separator removes vapors from
the fuel for increased engine stability and reliability. |
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Strong, Forged
Pistons add durability. Aluminum alloys
are compressed in molds under extreme pressure, resulting in a much
stronger piston. |
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The High Output
Alternator, generates a full
45 amps of charging power at speed, with high-amp charging at
low speed, too! |
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Yamaha Analog Gauges - A complete array of Yamaha
Pro Series II ™ Analog Instrumentation is available to keep
you continually informed. Highly accurate and easily readable, they’re
available in black or white face, complimenting today's popular
bass boats.
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Yamaha's ACP-221 Paint Process provides a 5-layer barrier
against corrosion. |
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Our exclusive YDC-30 Alloy is the most corrosion-resistant
base material in the industry. |
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Stainless Steel is used for the drive shaft, the shift
shaft, the prop shaft, and the steering tube for maximum corrosion
resistance and long-term reliability. |
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Front-Mounted Freshwater Flushing device makes
it easy to completely flush the engine, in the slip or on the trailer,
and without running the engine. |
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Six Individual Fuel Injectors
open internally, enhancing fuel distribution and reducing the chance
of carbon build-up. |
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The Proven Homogeneous Combustion
Chamber Design maximizes power and fuel economy in the
critical 2500-5500 rpm range. |
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Yamaha Propellers
are available in a number of different styles and sizes to maximize
performance of the muscular 2.6L V MAX® HPDIs.
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Yamaha HPDIs meet the Federal EPA emission
requirements, and have earned a California C.A.R.B two-star rating
for very low emissions. |
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Our Two Year
Limited Warranty protects every Yamaha
2.6L V MAX HPDI. |
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