I suspect I am running lean.

[Steamroller]

'83 650L, just threw on some K&N's, emgo shortys, and did the Dynojet stage 3 rejet. I also wrapped my exhaust with fiberglass wrap. The bike idles and runs great. There is no backfiring when downshifting, just a very slight crackle. I don't have a pic of my plugs nor did I actually cut them, but just at a glance I think they are just a hair too white. Also, it just feels like my bike is running hotter but I don't know if this is due to the fiberglass wrap. The hotter running temps make me think I am a bit lean. I installed the 160 jets that came with the kit but I am not sure if I should try some 165's. I am pretty new to carbs, is there a way I can richen things a bit by adjusting a screw or needle spacer or is the only way to go up in my main jet?

Thanks guys, you never fail me!

[Guest]

Do you have baffles?
I''d try richening the needle one notch. (put the clip on one notch towards the emulsion tube end.

[Steamroller]

Since the needle controls the fuel flow between the 1/8 thru 3/4 range I think I will move my needle down 1 notch.

[tom203]

Since the needle controls the fuel flow between the 1/8 thru 3/4 range I think I will move my needle down 1 notch.

Say what??? if running lean you want to raise the needle up per chef1366