Engine
Four-stroke, SOHC; four-valve RFVC™
Four-stroke, SOHC; four-valve RFVC™
Displacement
644 cc
644 cc
Bore x Stroke
100 x 82 mm
100 x 82 mm
Compression Ratio
8.3:1
8.3:1
Carburetion
42.5 mm diaphragm-type CV carburetor
42.5 mm diaphragm-type CV carburetor
Emissions
Meets current California Air Resource Board (CARB) and EPA off-road emissions standards
Meets current California Air Resource Board (CARB) and EPA off-road emissions standards
Ignition
Solid-state CD with electronic advance
Solid-state CD with electronic advance
Lubrication
Dry-sump
Dry-sump
Fuel Capacity
2.8 gal. (including 0.6 gal. reserve)
2.8 gal. (including 0.6 gal. reserve)
MPG Rating
52 mpg - Miles per gallon values are calculated estimates of fuel consumed during laboratory exhaust emissions tests specified by the EPA, not during on road riding.
52 mpg - Miles per gallon values are calculated estimates of fuel consumed during laboratory exhaust emissions tests specified by the EPA, not during on road riding.