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**jonathan180iq** · 05-19-2014, 08:58 AM

Yep. This is how these things are. It's a 249cc thumper.

Raul is right. Shimming the needle for slightly more flow midrange seems to even out that flat spot in acceleration and deliver a more linear power band.

05-19-2014, 08:58 AM	#3
jonathan180iq Super Moderator Join Date: Jan 2007 Location: Dalton, GA Posts: 3,995	Yep. This is how these things are. It's a 249cc thumper. Raul is right. Shimming the needle for slightly more flow midrange seems to even out that flat spot in acceleration and deliver a more linear power band. Login or Register to Remove Ads
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