Cam chain adjuster querie

Jim

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Just the head... but the engine has to come out to remove it. Can't be done in the frame unfortunately.
 

GLJ

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The engine has to come out. I replaced one by just removing the cam cover. I left the 2 bolts under the spark plugs and the one in the rear tight. Just removed the 8 head stud nuts and 4 cam cover bolts. It worked out ok for me.
 

5twins

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Well, if the front guide needs replacing then the cylinders will have to come off so you can accurately center the new guide when installing it. If not centered, or crooked, the chain will run sort of diagonally across the guide and chew the edges up. Here's some old guides that weren't centered properly .....

OldFrontGuides7.jpg


OldFrontGuides4.jpg


When you install a new guide, you need to center it in the cam chain tunnel. You do that by measuring between the side of the guide and the side of the tunnel where the guide sticks out of the cylinder, and you must do this at the top and the bottom. Obviously, you couldn't check the bottom with the cylinders still installed .....

GuideMount.JPG
 
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