1985 XL350R

I have an 1985 XL350R that had a valve head come off in the cylinder causing catastrophic damage. I was able to locate a 1984 XL350R parts bike for $250 and was wondering if the motor is the same? Is it basically a straight swap if I want to keep the existing crankcase and throw the new motor on top?

I have an 1985 XL350R that had a valve head come off in the cylinder causing catastrophic damage. I was able to locate a 1984 XL350R parts bike for $250 and was wondering if the motor is the same? Is it basically a straight swap if I want to keep the existing crankcase and throw the new motor on top?

I can't verify, but I'd be 99% certain it is the same. About 86(?) was the last year, so doubtful they changed them much in the last couple of years. The 85 xR 350 is a different bike (wet sump/dry sump) to the 83/84, but don't "think" the xL ever got the update.

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