2007 ex250 - engine stopped while i was riding my bike!! - Kawasaki Ninja 250R Forum
 
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post #1 of 2 (permalink) Old 07-09-2012, 08:15 AM Thread Starter
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Join Date: Jun 2012
Location: Toronto
Posts: 5
Question 2007 ex250 - engine stopped while i was riding my bike!!

Hi all,

I recently did valve clearance adjustment. I kept 0.12mm - intake and 0.15mm for exhaust. Also done CAM timing as per manual (@ TDC #2, EX mark and IN mark was lined up to the edge of engine top cover and the chain link counted from EX mark to IN mark were 33 links).
Today, I was going on local street, after 15 minutes of ride the engine stopped and upon trying to start it make some clicking/knocking sound and the engine won't start!!!

Anybody had such experience? What would have happen?
In mean time, I am going to open the engine cylinder head cover to examine.

Any inputs on this would be appreciated.
Thanks in advance.
vmlp
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post #2 of 2 (permalink) Old 07-09-2012, 12:47 PM Thread Starter
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Join Date: Jun 2012
Location: Toronto
Posts: 5
Question Fond 6 arm-rockers broken!

I found 6 of arm-rockers were broken off!!!! Only 1 pair of Exhaust valve on cylinder# 2 are intact.
and one of broken arm-rocker fallen in to cam chain well.

May be something went wrong during valve clearance adjustment?
I had set them at close to the upper limit (0.12mm intake / 0.15mm exhaust side).

What else could cause the valve arm-rocker broken?

Thanks,
Vmlp
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