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Old June 21st, 2018, 06:54 AM   #29
jkv45
Rev Limiter
 
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Name: Jay
Location: WI
Join Date: Jul 2013

Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes

Posts: A lot.
MOTM - Jun '18, Oct '16
Quote:
Originally Posted by Cep View Post
Changed filter to kn-401 last night, now the light is turning off as soon as engine starts. will monitor it.

But... I found a small o-ring in the drained engine oil. I am trying to understand where this could have come from. It looks the same size as the small o-ring that is supplied with the oil filter, but the old one was still in place when i took the old filter out. What o-ring could this possibly be? Could it be the crankcase oil passage o-ring? Not sure where to look ......
I'm thinking it was one that for some reason came off of the filter "bolt" at some point.

Odd, but if the bike was purchased used you never know...

As long as you have one on the filter assembly I wouldn't worry about it.
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