Engine Specifications

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"

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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"

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.