Needle Replacement?

FMB John · 04-03-2012, 09:50 PM

OK, I am rebuilding my 40mm carbs on my 1977 R100S. Im getting the carb kit from bing and the new float kit. Each carb has a main jet, float needle jet, needle jet, jet needle and an idle jet.... 5 needles... Out of the 5 which needles are good practice to replace in a rebuild? I've heard the main jet is good practice and the idle jet typically just gets a good cleaning. What about the others.

Thoughts?

04-03-2012, 09:50 PM	#1
FMB John ^OP Adventurer Joined: Jan 2012 Location: Colorado Oddometer: 20	Needle Replacement? OK, I am rebuilding my 40mm carbs on my 1977 R100S. Im getting the carb kit from bing and the new float kit. Each carb has a main jet, float needle jet, needle jet, jet needle and an idle jet.... 5 needles... Out of the 5 which needles are good practice to replace in a rebuild? I've heard the main jet is good practice and the idle jet typically just gets a good cleaning. What about the others. Thoughts? __________________ 1977 BMW R100S 2004 Kawasaki KLR 650

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