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Old 08-17-2006, 09:00 PM   #1 (permalink)
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Sgt Mike's Avatar
 
Join Date: Feb 2006
Bike: 2006 Suzuki C50
Location: Hagerstown, Maryland
Posts: 709
Default A question from my Motorcycle Cruiser Magazine

This questions was asked by Warren D. and was answered by Mark Zimmerman in "Tach Matters".

Q: I just started riding a few years ago, so I'm still learning. If I were to put a low restriction air filter such as a K&N on my bike would this a straight swap or would the carb need readjusting or rejetting?

A: As long as the filter is a straight replacement - that is, you're merely removing the old one and installing a new one (K&N or otherwise) no jetting or carburetor adjustment should be necessary. However if you're modifying the airbox to accommodate the new filter or removing it entirely and using something like a clamp-on filter, then yes, rejetting is required.

My question: Would this logic apply to a fuel injected engine such as my C50?