Yamaha GP1800R SVHO 2020


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THE POWERPLANT The GP1800R is powered by Yamaha's 1.8L, supercharged Super Vortex High Output Marine engine that is the most technologically advanced engine ever designed for a personal watercraft, delivering more power and torque than any engine ever in a Yamaha WaveRunner personal watercraft. Electronic Fuel Injection (EFI): Four electronically controlled fuel injectors, throttle position sensor (TPS) and intake air pressure and air temperature sensors supply the optimum air/fuel mixture. The results are a smooth, high power output with low fuel consumption and low exhaust emissions. Specially Designed, One-piece Cylinder and Crankcase Assembly: Provides tremendous engine rigidity that's lighter and stiffer than two-piece designs. Slant Detection Switch: Electronic switch stops engine and oil pumps immediately if watercraft becomes overturned, protecting motor from unwanted water ingestion. Wet Sump Lubrication: Uses two engine oil pumps to deliver lubricated oil to each moving part with water-jacketed sump and oil backflow protection. Yamaha Engine Management System (Y.E.M.S.): An integrated, computerized management system that controls and adjusts such functions as ignition timing, fuel injection mapping, engine diagnostics and off throttle steering (OTS). The OTS function of Y.E.M.S. activates when the operator releases the throttle lever and attempts to steer the watercraft. This assists the operator in turning while the watercraft is decelerating. Independent Water-jacketed Exhaust Manifolds with Collector: Achieves high power while keeping noise and exhaust heat under control. Thermostatic Cooling System: Water flow through the engine is automatically controlled through a thermostat sensor. Corrosion Protection System: Sacrificial zinc anodes protect the engine from harmful galvanic corrosion. Stainless steel fasteners (nuts, bolts, hardware) provide a long service life. Cylinders, cases and heads are all treated with a durable oxide coating to form a barrier between corrosion and expensive engine parts. Electronically Controlled, Variable Ignition Timing: For exact ignition advance control at all throttle positions and RPMs. Direct Ignition: For more efficient combustion. THE JET PUMP PROPULSION SYSTEM The GP series features a 160mm, 8-vane high pressure pump that consists of a large capacity intake duct, a newly developed impeller, a large diameter nozzle and other components matching the tremendous power created by the 1.8 litre supercharged super vortex engine. Ride (Reverse with Intuitive Deceleration Electronics) — The world's first dual handlebar throttle control system is easy and intuitive. Pull the right lever and go forward. Pull them both, or in any combination, and the system reacts with precise control. Benefits include better handling, smooth deceleration and more control while turning. Stainless Steel Impeller Housing Liner: For high durability, the liner maintains accurate clearance tolerances between the impeller and the
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2020 Yamaha GP1800R SVHO 360


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