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Old July 15th, 2014, 08:53 PM   #12
cookiebug79
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Name: Jen
Location: Southern California
Join Date: Jan 2013

Motorcycle(s): 2007 EX250, 2008 EX250, 2001 ZR-7S, 2010 ZX-6R

Posts: 470
Quote:
Originally Posted by Motofool View Post
The repair manual tells you step by step all you need to know.
A copy in PDF has been going around the Internet.

This thread is long, but has info related to what you attempt:
https://www.ninjette.org/forums/showthread.php?t=132069

Keep the top and bottom of the bearings of the camshaft paired, they are machined after they are bolted together.

Try the oil test to have more certainty about the rings.
Normally, rings don't go bad from night to morning.
They could be also dirty and stuck in the seats if non-synthetic oil has been used for long time combined with short trips, in which case SeaFoam may help.
The bike didn't get sick overnight. It's been getting worse and worse over the past few hundred miles. I thought it was the carbs and have cleaned/adjusted them and used seafoam more times than I can count.

Thanks for the link! I'm excited to dive into this engine.
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