SPECS: Displacement: 11.50cc (.702cu in)
Bore: 25.8mm (1.016in) Stroke: 22.0mm (.866")
Power Output: 2.5HP at 16,000 RPM Weight: 553.5g (19.5oz)
Practical RPM Range: 2,000 - 18,000 RPM
Crankshaft Thread Size: 5/16-24
Length: 81.3mm Backplate to the front of the crankcase
Width: 42.6mm width of engine neglecting the mounting flanges
25mm distance between mounting hole centers
60mm Distance from rear mount to front mount centers
52mm Side to side centers of rear mounting holes
42mm Side to side centers of foremost mounting holes
42mm distance between mounting holes for exhaust