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Old June 16th, 2017, 12:05 PM   #6
Ram Jet
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Name: Bill
Location: Port Huron, Michigan
Join Date: Mar 2017

Motorcycle(s): 2007 Kawasaki 250 Ninja, 1982 Honda Ascot FT500

Posts: A lot.
Quote:
Originally Posted by Triple Jim View Post
In that situation, I would wear out the rear tire and then replace it with the stock size.

As far as jetting, things like properly performed plug chops can tell you how it is after you make changes. Just looking at plugs after some amount of running really doesn't tell you much.
Yes a plug chop (full throttle run, hit the kill switch and pull in the clutch lever) - with new plugs. I have a friend of mine who used to be a mechanic at a Honda dealer says that you can't get a good plug read with todays gasoline. I could tell, however, that the 105 mains were too lean right after I bought the bike. I now have 110s installed but haven't pulled the plugs yet but I'll be able to tell if the engine is happy without a "chop".

Bill
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