What size picture works best?
This is a 5/8 to 3/4 shaft adaptor. Had to ream inside with a 5/8 reamer using hose clamps to adjust size. Key that came with adaptor was 3/16 x 3/8. Milled it to 3/16 x 1/4.
Bored out formed key in back part of drive. Broached new 3/16 keyway.
Machined motor mount adaptors from aluminum. Mounts are 3/4 " height x 1.25 wide x 5" long, drilled and tapped to offset engine 1.25" to left.
Machined backplate to rotate on engine to workable position.
Spaced gas tank to right 1". Cut stock muffler off tubing and welded on 7/8" tubing bent almost 90 degrees. Tapped end of tubing 1/2" NPT for old style muffler. Stock muffler would not fit with engine raised 3/4".