Crankshaft/ timing belt gears - Steve Saunders Goldwing Forums

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post #1 of 17 (permalink) Old 07-11-2017, 08:35 PM Thread Starter
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Crankshaft/ timing belt gears

Can the gears for the timing belt be welded to the cam shaft?
One of the gears has a 1/8 inch play. This is enough to give me an engine knock.


The key ways have been worn down. I do not see a way to redo the key ways.


So I have thought about getting a welder to weld the gear to the shaft.
Any thoughts would be appreciated.
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post #2 of 17 (permalink) Old 07-11-2017, 08:42 PM
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I believe the sprocket/gear is aluminum and the camshaft is steal so welding is not going to happen.

Advise given here is free and comes with no warranty "Caveat emptor"

Ken.
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post #3 of 17 (permalink) Old 07-11-2017, 08:57 PM Thread Starter
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any suggestions of how to fix the key ways?
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post #4 of 17 (permalink) Old 07-11-2017, 09:04 PM
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So, is it the pulley that's worn or the cam?

Why ain't we ridin'?
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post #5 of 17 (permalink) Old 07-11-2017, 09:52 PM
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I think you could shim them with tempered steel.

Turn the pulley so its left keyway edge is tight against the key, you should be able to tighten the holding bolt and have no play. All the force is rotational from the crank pulley, so if the bolt is tight, it shouldn't be able to move around.
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post #6 of 17 (permalink) Old 07-11-2017, 10:30 PM
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Originally Posted by Wilcoy02 View Post
any suggestions of how to fix the key ways?
You are sure the key ways are bad and that some previous owner did not put in an undersize key?
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post #7 of 17 (permalink) Old 07-11-2017, 11:10 PM Thread Starter
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I do not see how any of the key have been replaced. If I could do that what size and how do I get the old key out?
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post #8 of 17 (permalink) Old 07-12-2017, 12:56 AM
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I do not see how any of the key have been replaced. If I could do that what size and how do I get the old key out?
Here is a picture of the key found in partzilla for your bike.
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post #9 of 17 (permalink) Old 07-12-2017, 12:07 PM Thread Starter
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Thanks for the pic.


HOW do I get the old keys out?
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post #10 of 17 (permalink) Old 07-12-2017, 07:33 PM
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With the slop you have described you should be able to slide the gear off without any problems after the bolt is removed.

To remove the key from the shaft, a small hammer and a punch should let you GENTLY tap it out of the groove. The moon shaped key should start coming out if you tap staight back on it. I prefer trying to tap at an angle to pop the front edge upward. Also sometimes helpful is to use a small screwdriver once the key starts lifting to get between the key and the shaft.

Be careful not to drive anything too hard and damage the seals around the shaft.
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Last edited by Wes Scott; 07-12-2017 at 11:05 PM. Reason: typo to vs too
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