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carbs
Apr 5, 2014 19:57:48 GMT 1
Post by dave1963 on Apr 5, 2014 19:57:48 GMT 1
Hi trying to sort out misfire on 350lc at about 5/6k have got small can all-speeds standard filter and i think standard porting just read tomtom1 post where can i get 27.5 pilot jets and 4H16 needles from want to try his set up see if it cures mine thanks dave
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carbs
Apr 5, 2014 22:19:25 GMT 1
Post by bettyford on Apr 5, 2014 22:19:25 GMT 1
Dave, you haven't said with what throttle opening the miss occurs. Full throttle, stutters then clears and carries on ? or just at part throttle cruise?
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carbs
Apr 6, 2014 15:26:53 GMT 1
Post by dave1963 on Apr 6, 2014 15:26:53 GMT 1
HI bettyford sorry about that for got to say its a 250 with 350 top and pump and 250 carbs its about half throttle then clears and pulls ok
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carbs
Apr 6, 2014 18:53:17 GMT 1
Post by ianr4863 on Apr 6, 2014 18:53:17 GMT 1
Ive been out every day this week on my 4LO trying to sort out a misfire / stutter at 5000 rpm . Mick Abbey tune , reprofiled head and Allspeeds . I ended up checking and re checking the carb balance ( and adjusting ) , backing out the airscrews another half turn and dropping the needles one notch . Hey presto it pulls clean through the old problem area . Sounds much better as well . Only ever adjust one thing at any one time ! Hope this helps
Ian
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carbs
Apr 7, 2014 19:51:22 GMT 1
Post by dave1963 on Apr 7, 2014 19:51:22 GMT 1
Hi ian thanks will have another go this weekend after i have fixed the exhaust stud
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carbs
Apr 13, 2014 18:28:07 GMT 1
Post by dave1963 on Apr 13, 2014 18:28:07 GMT 1
Hi ian been out again dropped needles to 2nd notch set air screw to 1.5 turns out and rebalanced carbs seems alot better not quite there yet but will keep trying
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