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Old April 25th, 2018, 10:09 AM   #17
MCPhotographer
ninjette.org member
 
Name: Sarge
Location: Los Angeles
Join Date: Jan 2014

Motorcycle(s): EX 250, 06 CBR 1000, Duc 848, 100yr Road King, VTX 1300

Posts: 35
Quote:
Originally Posted by Triple Jim View Post
Maybe send the video (link) to Mark Krieger and see what advice he offers.
Mark has looked at a number of my videos and been more than accommodating for a $35 part. I'm sure I've annoyed him enough

Quote:
Originally Posted by jkv45 View Post
Pull the valve cover and watch the cams as you rotate the crank.

I'm thinking you will see when the lobes are contacting the rockers and opening the valves it will get harder to rotate the engine - then easier as they close.

I don't think you have a damaged cam chain.
My understanding is that they cycle opening and closing the valves at different intervals (hence the timing) which would lead me to believe that they would get tight-loose-tight-loose in a regular interval. Not tight throughout the majority of me cycling the engine with only a small stretch that is tight.

Quote:
Originally Posted by DannoXYZ View Post
Pull out ruler, measure chain and do the easier test first. It's a binary black & white, all-or-nothing, yes/no answer to all your problems.
Measured it. Yup it's in spec. Now what?
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