Bore and Stroke Calculator
Analyze bore/stroke ratio and engine characteristics
Enter Dimensions
Bore/Stroke Ratio
1.149
Oversquare Engine
Dimensions
Bore4.000" / 101.60 mm
Stroke3.480" / 88.39 mm
Single Cylinder Volume43.73 ci
Performance Characteristics
Higher RPM potential, better breathing, typically more horsepower oriented
Optimal RPM Range4000-7000+ RPM
Mean Piston Speed @6000 RPM3480 ft/min