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Post by wheeliehappy on Dec 23, 2013 16:02:58 GMT -5
ok this is old but I'll tell you, I have Jim's pipes. what is working for me is 22.5 pilots (stock are 25s) and 90 mains (85's are stock)
1972 s2 350.
I started with 97.5 mains, way way too rich for my bike,I(think I thought I had a 500) I'd litterly drive 3 blocks and I'd have to change the plugs lol ;-)... doing and learning is where all the fun is. :-).
I was fowling a lot of plugs with 25 pilots, is much better with 22.5's but considering trying 20's for pilots. I don't know why I would have to go down below stock 25s with pipes but that is whats working, if some one could take the time to explain I'd read it. either way, 1 or 2 sizes smaller pilots seem to work well and 2 sizes bigger for mains works well.
my 2 cents.
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