Engine Specification for Yamaha R1 : Engine Engine type Liquid cooled 4-stroke, DOHC Displacement 998.0 cm³ Cylinder arrangement Forward-inclined parallel 4-cylinder Bore × stroke 78.0 × 52.2 mm (3.07 × 2.06 in) Compression ratio 12.70 : 1 Standard compression pressure (at sea level) 1480 kPa/350 r/min (14.8 kgf/cm²/350 r/min, 210.5 psi/350 r/min) Minimum–Maximum 1290–1660 kPa/350 r/min (12.9–16.6 kgf/cm²/ 350 r/min, 183.5–236.1 psi/350 r/min) Starting system Electric starter. Yamaha R1 2009 service manual document contain complete service procedure for the vehicle, this book have table of content as follow: General Information, specifications, periodic checks and adjustment, chassis, engine, cooling system, fuel system, electrical system, troubleshooting guide. Cooling system diagram, cable routing, Periodic Maintenance guide, Engine inspection, removal, assembly and disassembly, transmission and many more. This service manual is available to download in pdf format consist of 526 pages.
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