Freshman Rider
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Post by justputtnaround on May 12, 2013 15:36:27 GMT -5
I purchased a performance exhaust and want to install it soon as it arrives.but is was wondering do I have to install fuel jets and a more free flowing air filter at the same time???
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Sophomore Rider
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Post by gy6girl on May 12, 2013 18:58:33 GMT -5
Well, I don't guess you have to do anything.
But when you upgrade the exhaust, you should up the jet. If you upgrade your air filter, you should up your jet again.
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New Rider
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All throttle, no bottle.....
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Post by Noneshere on May 12, 2013 22:54:18 GMT -5
hummm,
Just an exhaust ?
Try a #112 Main ; stock pilot jet
Intake and Exhaust ?
start with a #115 : stock pilot jet
adjust your mid range needle before moving up or down a jet size....adjust jet sizes according to plug chops burn color in the power band section of engines rpm....chop the engine and pull over removing the plug to see whats happening at that power band load and rpm. Plug tip color tells you exactly whats happening at the drop zone.
Nice Carmel color what your jetting towards.
Run the open exhaust with no jet ...your firecracker hot (white tipped plug) and burning exhaust valves, shortly it turns in to over heating sessions , and low compression failure verified by the kick start , ....the super scoot will be short lived .
Re-jet the carb soon if either the intake or exhaust is de-restricted from factory in any way .
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