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Yamaha Books & Manuals

YZ400F 1998

Engine
Configuration	Single cylinder watercooled four stroke	Lubrication	Dry Sump
Bore & Stroke	92 x 60.1mm	Ignition
Capacity	399cc	Charging system
Compression Ratio	12.5 : 1	Starter	Kick starter
Maximum Power	55 bhp (40.4kW)	Transmission	Gear driven primary drive
Maximum Torque		Gearbox	Constant mesh 5-speed
Fuel	39mm Kehin FCR flat side	Clutch	Cable operated multi plate wet clutch
Chassis
Frame	Semi double cradle, oil in frame	Wheels
Dimensions	Weight: 107kg Wheelbase:  Length:  Seat Height:	Tyres	Front: 80/100-21  Rear: 110/90-19
Front Suspension	Telescopic, Coil Spring & Oil damper, 300mm travel	Brakes	Front Single disc, 240mm  Rear Single disc, 220mm
Rear suspension	Monocross with 315mm (12.4") travel	Fuel Capacity
Performance
Top Speed
Acceleration