Technical  > Engine

CRANKSHAFT
Weight: 28 lbs.
Main Bearings: 1.624" Dia.
Crank Pins: 1.499" Dia.
Crank Pin Taper & Roundness: 0005" - .001"
Rear Flange Thickness: 3/8"
End Clearance: .004" - .007"
Main Bearing Clearance: .001"
Crankshaft Straightness: .0005"
Main Bearing Cap Torque: 80 – 100 lbs.

CYLINDER BLOCK
Cylinder Bore: 3.875" – 3.876"
Valve Guide Bore: .594" - .595"
Flatness On Top Of Block: .003"
Bore Perpendicular to Top: .001 - .002"

ENGINE
Rated Horsepower: 24.03 SAE
Brake Horsepower: 40 HP
Firing Order: 1-2-4-3
Compression Ratio: 4.22:1
Piston Displacement: 200.5 Cu. In.
Bore: 3.876"
Stroke: 4.250"