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Thumper pumper tuning question
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[QUOTE="Marklx, post: 147614, member: 23423"] Thanks Tom, Guess I'll pull it off once more and give it a good bath. Should've done that before even putting it on, but wasn't comfortable taking it apart right away. Oh well. It is so much easier to put on with that klx250 manifold that I'm no longer dreading the thought of maintenance on it. Interesting that the 250 manifold has the exact same intake port size as the 300. It matches the 35mm intake spigot exactly. They put on a bigger carb, but didn't change the port size on the head. Got some jetting specs from Spodekill, and they call for one richer on the pilot and needle clip. These were per Stroker with just the exhaust, so that may also be the issue. Time to start building up that jet collection..... Mark [/QUOTE]
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Dirt Bike Brands - Other
Thumper pumper tuning question
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