All the machining is finished - I think!

It all just requires assembling. Easier said than done. Two new cylinders have been made with a thicker lip at the top to reduce the compression ratio. Made from Meehanite it is difficult to obtain a good finish in the bore so hand finishing with fine abrasive paper is required. 

Cylinder and Piston

Finished crankshaft

I finished the crankshaft today, faced off the front end and drilled and tapped the M6 thread. Next is to start the assembly. First the primary cross helical gear has to be pressed on the rear shaft. Then the inner bearings pressed on each end, and then offered into the crank case where the conrods will be fitted.

More later, I now have a job to do for a client.