How do I tension the cam chain on a 1990 Kawasaki ZR550? - Kawasaki Motorcycle Forums
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post #1 of 3 (permalink) Old 08-13-2019, 07:51 PM Thread Starter
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How do I tension the cam chain on a 1990 Kawasaki ZR550?

Working on an old (vintage) 1990 ZR550 Kawasaki and would like to make sure the cam chain is properly tensioned, since it has 63K on the odometer.
Reading the Service Manual is a bit scary, with two big caution notes regarding the Ďpoint-of-no-returní.
Anyone have any advice how to go about this procedure without wrecking things?
Any info will be greatly appreciated. Thanks!
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post #2 of 3 (permalink) Old 08-15-2019, 07:44 PM
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Buy a APE manual cam chain adjuster. Just bought one for my 79 kz1000 st shaft. Go on YouTube and most adjust them while it is running until the noise goes away. EZY PEZY!!!! But always check measurement on chain limit to make sure. Which is specified in your shop manual.

Last edited by BrianT59; 08-15-2019 at 07:51 PM.
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post #3 of 3 (permalink) Old 08-15-2019, 08:04 PM
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There is nothing to tension, if it still has the stock tensioner. It is an automatic tensioner taking up the slack by itself, unless you have removed it, then there is a procedure of locking and unlocking it as you install the bolts.

The manual warnings are more far more scary than what you can damage, once you understand how it works.

If it is a after market manual tensioner, then is different; you have to rotate the crankshaft adjust in it, but you don't say what you have.

Last edited by Hugojose; 08-15-2019 at 08:07 PM.
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