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Old September 10th, 2020, 03:10 AM   #9
Onekallo
ninjette.org member
 
Name: Andrew
Location: Courtice, On
Join Date: Jul 2020

Motorcycle(s): 06 ZZR-250 - 05 ZZR-250

Posts: 32
Quote:
Originally Posted by DannoXYZ View Post
Z

During carb-cleaning, did you make note of pilot jet sizes? Are they stock?

Without disassembly, perhaps experiment with leaning out mixture. Reduce mixture-screws by 1/2 turn and do test rides starting with cold engines. Any change in warmed up behavior?

Repeat again with 1/2 less on mixture screws. Repeat to point where you must use choke to start bike. How is warmed-up behavior then?

There was recent bike that would start with no choke and mixture screws turned all way in!! Turned out previous owner had drilled out jets!

No sadly I did not make a note of the jet sizes. That’s a great idea. I’ll give that a shot today for sure.



Based on both of your replies and information so far these bikes are definitely super rich and using way too much fuel. Thanks again so much for the help so far. Looking forward to making some progress.
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