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Old August 5th, 2017, 05:31 AM   #5
Kawinoob217
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Name: Ethan
Location: South Lyon, Michigan
Join Date: Jul 2017

Motorcycle(s): 1998 Kawasaki Ninja 250

Posts: 24
Quote:
Originally Posted by JacRyann View Post
Have you done the gas cap mod?

During this mid-range stumble, if you drop down a gear or two to increase RPMs, does it run smooth again?
I'm not entirely sure what you mean by the gas cap mod, but everything looks stock up top on the tank. Dropping down a gear does not seem to give me back my throttle response. I do find, however, that if the bike starts to miss at around 50 mph, if I pop the clutch in, rev a few times and hit the bogging point, the bike seems to open up again and I have proper throttle response. For kicks, I also rode around my neighborhood with the fuel valve shut off in order to see what the bike feels like when it's starving for gas. It feels very similar to what's happening at 50 ish mph. Also, from a stop sign or stop light to acceleration, if I'm pulling on the bike decently hard, say 8k to 10k rpm, the bike never bogs during that time and will bog directly after if I try to drop to just a cruising speed.
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