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I also have an owners manual (US version) on pdf file that i can email you if intressted? email me: nogutsnoglory@hotmail.se

ok i figured that was why you called them -86 model, still a -84 or -85 tough... read something somewhere that the clutchplates from rm500 would fit or maybe that was the sprockets, maybe mixing that up but take a clutch plate and go to the local mx shop and compare them whit a couple of diffrent brands and cc...

Just to clear something out, i just bought a 500wmx (mx version) myself and started to control the year models and these bikes were only made in 1984 and 1985 so if you have what you think is a 86, 87, 88 or newer you are way off. They might have been sold in the US as -86 or newer...