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Post by pedheadfred on Mar 19, 2021 9:28:24 GMT 1
Hello all sold a Micron exhaust recently and bloke who bought it's asked what's best size main jet to use for a micron exhaust ? As can not remember since it was the 1990s had last 125lc the exhaust came off thought Would ask here since plenty people have these bikes. STD airbox and with pod filter sizes please. Appreciate any advice Ben looking on net appears people use 210 main jet STD airbox with pipes does this sound about right?
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Post by broughton on Mar 19, 2021 20:20:51 GMT 1
i had a short can micron on mine for the 10 years i owned it and had a 210 main jet standard airbox but would not run right with the airbox snorkel on,the guide is generally 2 sizes up from standard but always do plug chops that will tell you how the bike is running.
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Post by pedheadfred on Mar 19, 2021 20:29:44 GMT 1
Thanks
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Post by broughton on Mar 19, 2021 21:30:17 GMT 1
my bad sorry it was actually a 220 main i ran.
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Post by batfink on Jan 27, 2022 16:04:28 GMT 1
With k&n, some better reeds and still OK if you're running standard pipe but better with allspeed or similar, 240 main. Can need to be even richer with a micron.
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