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FMF 4.1 and pancake filter jetting

1390 Views 4 Replies 3 Participants Last post by  dylancordell
what jets will i need for running an FMF 4.1 and pancake filter with a stock bore?

it ran fine with just the filter, but wont seem to stay running with the exhaust... just dies after a second...
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shim your needle up 1mm i think is what they told me, mine runs fine now,
find a small 1mm washer that fits through the needle but not the c-clip and that fits in the slide...
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