XR500R 1981 tricked

This bike came across my path through a Discussion Forum in 2008 while I was looking for a parts bike. It was a sweet and unexpected deal. There are a few interesting things about this bike. In fact there are a few EXCEPTIONAL things about this bike. This is why I bought it.

This is the way it looks now, in 1982 guise, I just happened to have the right headlight and cover sitting around.

White Brothers aluminum swing arm. Now, this is a super rare piece of kit. It is about 1 inch longer than the stock arm and does not have a chain tensioner.

Ohlins monoshock. Here is what it looked like when it came back from the Ohlins factory after rebuild.

Trick exhaust header of unknown origin. Anybody knows what this is? I ill go for Supertrapp.
I added a Honda 1982 43mm Kayaba fork to the front to replace the ... Simons the bike came with.
I also put a neat Supertrapp muffler, and a K&N filter.

It was a bit of a mess when I got it though, in particular the electrics were cooked, the magneto rotor was damaged and the cylinder had a weld repair from a hole made by a poorly tightened cam chain. The frame has been sawed off at the back, but luckily the piece had been kept safe. A lot of work, but it turned out to be well worth it.

There is always something really exciting about a motor firing up after it has been abandoned for some years, rebuilt with care. The uncertainty of the outcome (at least for me, a DIYer) makes the victory all that more sweet.
On this video, the bike still has its Simons fork. The fork eventually came back with me to the USA to fit another project.

Several months later and some limited use, it turns out that the motor is so worn it is pretty much a basket case.



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