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taco · 04-17-2012, 01:39 AM

I have a 2006 Honda shadow. And acquired a 1981 Honda cm400e. It runs drives fine. But has a low rpm stumble.
I have tried to clean the carbs couldn't get the the mixture needle out.
Replaced plugs with denso oem.
Replaced plug boots
Changed oil could not be the bolt looses for filter striped it.
Drained tank and it was coated with something no rust. Put 1/2 can sea foam and 4 gallons of gas.
Runs great and revs freely just has off idle stumble maybe 1/8 to 1/4 throttle.

Has 6 k miles on it also.
Any ideas?

04-17-2012, 01:39 AM	#1 (permalink)
taco Master EcoModder Join Date: Mar 2008 Location: southern, wv Posts: 353 Johnny 5 - '81 Honda Cm400e 90 day: 42.86 mpg (US) Da bike - '06 Honda Shadow Vlx deluxe 90 day: 59.47 mpg (US) Thanks: 18 Thanked 8 Times in 5 Posts	Cm400 help I have a 2006 Honda shadow. And acquired a 1981 Honda cm400e. It runs drives fine. But has a low rpm stumble. I have tried to clean the carbs couldn't get the the mixture needle out. Replaced plugs with denso oem. Replaced plug boots Changed oil could not be the bolt looses for filter striped it. Drained tank and it was coated with something no rust. Put 1/2 can sea foam and 4 gallons of gas. Runs great and revs freely just has off idle stumble maybe 1/8 to 1/4 throttle. Has 6 k miles on it also. Any ideas? __________________ .