Yep, I get the occasional backfire. Scares the s**t out of me, too!

Sometimes I get it when I'm engine braking, sometimes it pops immediately after hitting the engine kill switch.

I'm gonna do the carb modifications soon after I pass the 600 mile mark and the first oil change/inspection.

After reading the several "modifications" threads on this board regarding the carb adjustments, I'm confident that I can do it.

Cheers. Tammi