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locorider

Does anyone have a Cam Chain Replacement Procedure ?

8 posts in this topic

The manual I have doesn't list a chain replacement. It shows replaceming the cams etc but never the chain specifically.

I figure the procedure is as follows.

1. Remove the tank, etc.

2. Remove the Valve Cover.

3. Remove the Flywheel cover.

4. Remove the Cam Chain Tensioner.

5. Remove the Flywheel with a puller.

Now this is where I am not sure, will I have to remove the cams, or at least one cam to get the chain off ?

Does the old chain then drop to the bottom or can you pull it out the top ?

Does the new chain go in from the top ?

Then reverse the order to put it all back together, using the specified torque specs.

If anybody has a detailed procedure that will be great.

Thanks

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1. Remove the tank, etc.

2. Remove the Valve Cover.

3. Remove the Flywheel cover.

4. Remove the Cam Chain Tensioner.

5. Remove the Flywheel with a puller.

Remove chain guides

Mark the chain and gears (bottom AND top) with a grease pencil for ease of alignment of new chain.

Now this is where I am not sure, will I have to remove the cams, or at least one cam to get the chain off ?

Take off both cams by pointing the sprockets down and inward and then lift out.

Does the old chain then drop to the bottom or can you pull it out the top ?

I believe either works - put a wire on it so you can pull it out again

Transfer the grease pencil marks over to new chain by counting links between marks.

Does the new chain go in from the top ?

don't remeber - I think either works

Then reverse the order to put it all back together, using the specified torque specs.

Stay just a little under the specified torque for the cam shafts. too much and they will be noisy.

If anybody has a detailed procedure that will be great.

Thanks

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Mark the chain and gears (bottom AND top) with a grease pencil for ease of alignment of new chain.

Transfer the grease pencil marks over to new chain by counting links between marks.

Sorry for the ignorant question but why do you need to mark the gears? To keep the timing accurate? Also, are you talking about marking the camshaft gears or the crank sprocket or both?

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Sorry for the ignorant question but why do you need to mark the gears? To keep the timing accurate? Also, are you talking about marking the camshaft gears or the crank sprocket or both?
You don't need to mark them. It can be useful when removing the cams to adjust valves, for example, as long as the chain does not move on the crank, but otherwise there's not much point in it at all. In the time it takes to transfer the marks to the new chain, one could simply set up the new one. Some find it easier and helpful, but I don't see the need.

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OK, not so simple as stated. It looks like the head has to be removed to remove to fount cam chain guide. Is this so? I cannot get my chain by it at the bottom gear. Never mind. Nothing a good cutting/grinding tool could not handle.

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The front chain guide does not interfere with the removal of the cam chain in any way whatsoever. Rotate the cam chain on a vertical axis, clockwise looking from the top of the engine, so that the rear run of chain swings out away from the engine and around the end of the crank. Then the chain can be lifted straight out.

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