How much should I shim my needles?
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Superstock
Joined: Dec 2005
Posts: 428
How much should I shim my needles?
Friday night I'm headed out to the drag strip and for the first time will be timed. I want to be bring my A game so along with uncapping my exhaust I'm going to remove the air cleaner. The bike will be trailered to the track and carefully watched as so no dust gets in.
I'm running stock jets and don't have time to order a kit. I plan to shim the needles to give me the extra fuel I'll need. How much should I shim the needles? Someone mentioned washers can be purchased at Radio Shack to shim the needles. What do I ask for, and how do I know what thickness they are?
I'm running stock jets and don't have time to order a kit. I plan to shim the needles to give me the extra fuel I'll need. How much should I shim the needles? Someone mentioned washers can be purchased at Radio Shack to shim the needles. What do I ask for, and how do I know what thickness they are?
Thread Starter
Senior Member
Superstock
Joined: Dec 2005
Posts: 428
Originally Posted by EngineNoO9
i'm betting the removal of the air cleaner will make the preformance worst not better
Thread Starter
Senior Member
Superstock
Joined: Dec 2005
Posts: 428
The resonance may change but we're talking about a sound wave which has more to do with airbox volume rather than internal air restriction. The deal is I race tomorrow and I need the bike to be its best and I can't get jets on such short notice. I'm only going to put like 5 miles on the bike before setting it back to stock. If I can get 5 more hp but have to run it lean I don't mind.
I'm not trying to be argumentative. I appricate all the input.
I'm not trying to be argumentative. I appricate all the input.
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