Originally Posted by Ghost0
The distance from the back of the seat tube to the back of the jackshaft is 1 and 1/8 inches. So if you have over 1 and 1/4 inches you should be fine.
I looked at your bike and you have a ton of room, no problem assuming you plan on using your red frame.
Jim, here is a pic of the bike I would like to put an engine and shifter kit on...
There is only about 2" between the seat post and the rear tire...