Engine Dimensions

Engine dimensions from multiple catalogues. User beware - dimensions changed over time.

Edited 9-2-2023

From c. 1923 Brochure

Throttled Engine Specifications

1 1/2 Horsepower          3 3/4" bore x 4 1/4" stroke, 15" flywheels, 600 rpm

2 1/4 Horsepower          3 7/8" bore x 4 1/2" stroke, 16" flywheels, 600 rpm

3 1/2 Horsepower          4 1/2" bore x 5" stroke, 21" flywheels, 550 rpm

5 Horsepower twin       3 7/8" bore x 5" stroke, 16" flywheels, 650 rpm

7 Horsepower twin       4 1/2" bore x 5 1/2" stroke, 19" flywheels, 600 rpm