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How to adjust cam chain

18460 Views 5 Replies 6 Participants Last post by  Aussie Steve
I've narrowed the wierd clacky rattly noises the engine makes (81 GS450) to the cam chain, since they're very random, make different sounds at different times & engine loads, and don't occurr all the time.

Let me preface this by saying THE CLYMER SERVICE MANUAL PHUKKING SUCKS!!! There are so many things missing (like how to tension the cam chain, for example) that the book is basically useless for routine maintenance. For those of you who do not yet own a Clymer manual, don't waste your money. I finally found a shop that sells real Suzuki manuals, so I'm getting one of those in a couple weeks. do I tension the chain? Anyone have a good step-by-step procedure I can use? I'd like to get it done while the bike is in non-operational status. Thanks!!
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Look in the engine section. Many times, the Clymer will have that info there, not in the maintenance section. I thought these had auto tensioners?

Don't overtighten the chain. BIG rookie mistake. Take baby steps, turn it in slightly. Reassemble and run it. Do it again, or until the chain slap stops. If you have the valve cover off, you can gauge how much it needs. I had one old GSX-R that you could shake the cam chain it was so loose. Automatic tensioner spring was toast.

- Nut
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