how do you get the cylinder off?!?!

On a 1997 rm 125, how do you get the top end off. I only see three bolts, but It will not come off. Thanks

Pull the power valve cover on the right side(rear brake side) and you will find the elusive fourth bolt!

You have a manual, no? You will likely need it for the powervalve.

I am assuming a 98 has a powervalve?

If not, check out an online parts schematic for that engine and will will help you out... some... if you don't have the manual.

I'd really recommend buying a manual, invaluable bit of kit

As I said in your other thread, pull the power valve cover and the 4th nut is under there. You will need a wrench.

And don't forget to disconnect the pv linkage too.

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