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Old June 14th, 2023, 01:52 PM   #45
dan151
ninjette.org member
 
Name: Dan
Location: USA
Join Date: May 2023

Motorcycle(s): 2012 Kawasaki Ninja 250R

Posts: 20
Quote:
Originally Posted by Triple Jim View Post
50% throttle is primarily running on the needles and needle jets, so that would indicate that they are probably not far off ideal. I assume you mean that if you take of with WOT it runs OK too, so I'd look at the off-idle circuit, which is the pilot circuit that's so hard to get truly clean.

I'm used to Mikuni VM carbs though, so maybe others can add to this.
I agree and yes, if you take off with 50%+ throttle its beyond the problem area so the bike accelerates just fine. Same applies for cruising at 50%+ throttle.

What I don't understand is if the pilot circuit was clogged, wouldn't the bike be running lean due to a fuel restriction?
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