The Jet Pump Propulsion System
The VX™ Sport is powered by a Yamaha MR-1™ four-stroke engine. This is a compact, ultra-lightweight, four-cylinder, 1052cc, DOHC, 20-valve, liquid-cooled engine for class-leading performance.
Electronic Fuel Injection (EFI): Delivers a smooth, high power output with low fuel consumption and low exhaust emissions.
Slant Detection Switch: Electronic switch stops engine and oil pumps immediately if watercraft becomes overturned, protecting motor from water ingestion.
Dry Sump Lubrication: Uses two engine oil pumps to deliver lubricated oil to each moving part with water-jacketed sump and oil backflow protection.
Thermostatic and Pressure Controlled Cooling System: Water flow through the engine is controlled by a thermostat and pressure system and is maintained by a pressure control valve.
Electronically Controlled, Variable Ignition Timing: For exact ignition advance control at all throttle positions and RPMs.
The VX pump design is one of the most efficient pump configurations ever: The pump increases stream velocity and thrust while decreasing cavitation and prop spin.
Stainless Steel Impeller Housing Liner: For high durability, the liner maintains accurate clearance tolerances between the impeller and the housing.
High Flow Intake Duct and Grate: The dynamic shape of these items directs water flow into the pump for better thrust, performance and hook up.
Cooling Water Intake Filter: Filters out harmful debris that could cause blockage of important cooling water passages.
Pumps are Manufactured with YDC30: A combination of zinc and copper alloys, developed by Yamaha marine engineers, that offers excellent corrosion protection.
The Ultra-Lightweight, High Strength Hull and Deck
The VX Sport hull is designed to be light and strong.
Progressive, V-Hull with Integrated Bow Spray Guard: Provides excellent maneuverability, handling and comfort.
Performance Sponson Design: Provides added straight-line comfort and an improved two-up and three-up riding
Multi-function Electronic Information Center: Provides the operator a quick read on speed, RPM, fuel level, low fuel
warning, low oil pressure warning, overheat warning, hour meter, check engine light with self diagnostic function.
19 Gallons of Total Storage: Includes a large bow storage locker and glovebox.
Comfortable One-piece Seat: Ergonomically-designed and contoured for added support. The extra-long seat is easily removed for quick access to the engine compartment.
Extra Large Boarding Platform: Provides a stable platform for reboarding.
Finger Throttle Lever: Provides added comfort while reducing hand fatigue.
Yamaha's Trademarked Visibility Spout®: A waterspout from the rear of the craft that improves the watercraft's
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