Workshop

Motor & Transmission

An example for modification of pre-48 cases to through-hole bearing housings. Also stroking to 80cui with precision balancing of S&S flywheels - see foto further down.

Transmission case in process of line boring O.S. bearing seats for counter shaft. The shaft had seized up both with bronze bearings in cluster gear and with steel bushings in the case - happens quite often when the 1915 design gearbox doesn't cooperate with high performance motors.

Frame and fork straightening...

All 340up frame straightening based on factory blueprints. Special welding on castings if necessary. Also Scout- and Four frames, sidecar frames, all kinds of forks, exchange of steering column after boring out seat.

Carburetor overhaul

Exact replacement of leaf spring fork steering columns...

...need better motor idling?
An oversize throttle shaft disc on rebored carbs is an essential step...