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YZ400E

Category: Motocross
Manufacturer: Yamaha show models
Hits: 669
Year 1978
Engine Class 400
VIN Prefix 2K8
Known VIN Range (Vehicle ID Numbers) 000101 to 007507
Tank Color(s) Competition Yellow
Country of Sale USA
Bore (MM) 85
Stroke (MM) 70
Displacement (CC) 397
Compression Ratio (to 1) 7.6
BHP @ RPM 41 @ 7,500
Torque (kgm) @ RPM 4.02 @ 7,500
Autolube Injection? No
Engine Cooling Air
Carburetor Model VM38SS
Ignition Type CDI (Electronic)
Ignition Timing MM (BTDC) 2.7
Primary Drive Gearing 2.67
Final Drive Gearing (Sprockets) 50/14
Box Gearing First 2.29
Box Gearing Second 1.71
Box Gearing Third 1.30
Box Gearing Fourth 1.00
Box Gearing Fifth 0.84
Fuel Capacity (L) 7.6
Gearbox Oil Capacity 1.2
Fork Oil Capacity (CC/Fork Leg) 338
Front Tire (stock) 3.00 x 21
Rear Tire (stock) 4.50 x 18
Front Brake Type Drum
Rear Brake Type Drum
Rear Suspension Mono Shock
Front Suspension Travel (mm) 250
Rear Suspension Travel (mm) 250
Rake (degrees) 29.5
Trail (mm) 134
Overall Width (mm) 910
Ground Clearance (mm) 290
Wheelbase (mm) 1,450
Dry Weight (kg) 103
Voltage 6 Volt

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