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Old 01-01-2013, 08:42 AM   #3776
NorthWest Adventure Rider
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Joined: Jul 2007
Location: Eastern WA State
Oddometer: 2,097
Originally Posted by biopig View Post

What's the best method for cleaning the valves and head. I'm guessing I need to stay away from anything abrasive. Do I need to do anything special when installing my new rings a far as oiling rings and cylinder wall. I'm also looking for break-in advice, I've read a little about the Motoman procedure. Thanks for your help
I use a Harbor Freight Ultrasonic cleaner filled with Simple Green. You have to run it through quite a few cycles over a day or so but the valves will eventually come out looking like new with no need to scrub them with anything. You can get the cleaner on sale quite often, look for their coupons online.

Valves after 200 hrs

And after a bath in the Harbor Freight ultrasonic cleaner. You don't want to use a wire brush since you can damage the factory applied coating on the valves, the ultrasonic cleaner does a great job and no touching/scrubbing necessary.

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Hodakaguy screwed with this post 01-01-2013 at 09:12 AM
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