1984 Xl600r Head & Cam Swap

I have a 1984 xl 600r with a bad cam & rocker assy. Does anyone know if a 1991 xr600r head & valve cover W/ matching cam & rockers will work on the older xl 600r motor? I looks like it will but not sure.

The head may fit, but the 91 600 is single carb and your XL is dual carb.

The combustion chamber on the 91 is also 3mm smaller than the XL. Not sure if that will cause an issue or not.

Thank you for your advise. On further examination you are correct, the 91' does have a single carb. do you know if I could use the valve cover / rocker & cam assy off the 91' ?

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