Hi Evan, thanks for the insight! I was not aware how bad the Mikuni butterfly carburetor was. I will convert mine over to the slide valve. Thanks again for your help.

Mike

Hey guys, I recently bought a non running 1978 Spitfire with a Mikuni butterfly carb. This JD sled is new to me and from what I've been reading it seems the Mikuni slide valve carb is the "common" or "popular" unit on the Kolher 340. I have a Mikuni butterfly carb and I took it a...