Maximum Rating211BHP
EmissionsNSPS 2010
Displacement638in³
Minimum Rating145BHP
Compression Ratio10.5:1
AspirationNaturally Aspirated or Turbocharged-Aftercooled
Rotation from Flywheel EndCounterclockwise
Flywheel and Flywheel HousingSAE No. 1
Flywheel Teeth156
Weight - Dry2450lb
Oil Change Interval750 hours
Ignition, ProtectionADEM A4
Air/Fuel Ratio ControlADEM A4
Stroke6in
Bore4.8in
Cooling System5.25gal (US)
Lube Oil System - Refill11.9gal (US)