ScootDawg Forums - Tight Timing Chain

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- - Tight Timing Chain (http://www.scootdawg.net/showthread.php?t=55901)

jerome_merritt

04-20-2018 08:43 AM

Quote:

Originally Posted by crawford (Post 536330)

Try squirting some spray lube on valve stem while you open and keep closing valve even if you need to tape valve closed keep doing it you most likely find valve start moving freely again you may have built up carbon inside of valve guide.

Hello Crawford what type of tube?? I am having the same problem

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GrouchyOle'Man

04-20-2018 02:17 PM

Hi Jerome If your exhaust valve guide seems ROUGH as the exhaust valve travels up and down in it, use some strong solvent on it to break up the carbon and clean it. The stronger, the better. If the valve is removed, of course the job will be much easier. There are a variety of solvents out there you can use to break up and clear away carbon on the guide and on the valve stem itself. It may take a few rounds of using it, but after a time, it can be cleaned.

jerome_merritt

04-20-2018 03:43 PM

Quote:

Originally Posted by GrouchyOle'Man (Post 536714)

Thanks

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jerome_merritt

04-20-2018 03:45 PM

Quote:

Originally Posted by jerome_merritt (Post 536715)

Thanks.....But if they're stuck I should hear some restriction noise right??

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