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 EPA standards. California version meets current CARB standards andmay differ slightly due to emissions equipment
Meets current EPA standards. California version meets current CARB standards andmay differ slightly due to emissions equipment
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