Engine Type
421cc liquid-cooled SOHC 4-stroke; 2 valves
Bore x Stroke
84.5mm x 75.0mm
Fuel Delivery
Yamaha Fuel Injection (YFI), 34mm
Transmission
Ultramatic V-belt with all-wheel engine braking; H, L, N, R, P
Final Drive
On-Command selectable 2WD or 4WD; shaft