The Yamaha V MAX SHO. Quicker, stronger, smarter and lighter - outperforming 2 strokes on hole shot, displacement, fuel economy and weight. The addition of a five-inch longer shaft means multi-species boaters can now enjoy the benefits that have made the V MAX SHO famous. These models are also perfect for a variety of other applications that require a 25-inch shaft length.ENGINE:ENGINE TYPEFour stroke, V6 60°DISPLACEMENT4,169cc (254.4 ci)BORE & STROKE96 x 96mm (3.78 x 3.78 in)RPM RANGE5,000-6,000COMPRESSION RATIO10.3INDUCTION SYSTEMDOHC / 24 valves direct action with variable camshaft timing (VCT)ALTERNATOR OUTPUT50 AmpsFUEL DELIVERYMulti-point electronic fuel injectionSTARTINGElectricIGNITIONTCI MicrocomputerLUBRICATIONWet sumpDEGREE OF TRIM/TILT-4° through +16°/66° w/PTTEXHAUSTThrough Prop. Water-cooled, LabyrinthCOOLINGRaw water, Thermostatic ControlGEAR SHIFTF/N/RGEAR RATIO21/12 (1.75:1)FUEL & LUBRICATION:RECOMMENDED FUELUnleaded Gasoline (Min Pump Octane 89)RECOMMENDED OILYamalube 4-M FC-W 10W-30OIL CAPACITY6.7L (with filter)DIMENSIONS:SHAFT LENGTH25''DRY WEIGHT252 kg (555 pound)