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I lost my 90S in a shed fire a couple of months ago and am now looking for a replacement bike. I've been looking at a couple of 100RS's, one is a 1979, the other is a 1987. has anyone compared the two as one is dual shockie and the other is a mono. Any help is greatly appreciated.

No personal experience, but the big things would be the 1979 will be heavy flywheel and "standard" ignition. The 1987 will be lighter clutch/flywheel carrier, electronic ignition. I've heard that the rigidity of the single sided swingarm is better than the twin shocks. Also, the 1987 will be Nikasil cylinders (better cooling, lighter). The 1987 will likely have the circlip missing on the input shaft of the transmission. The 1987 will also have the latest metallurgy for the valves and seats.

I would think the 1987 would be the better choice.

Kurt in S.A.

Gidday

She'llbe, for me it came down to the look of the bikes, throw practicality and mechanical improvements out the window.

I looked and thought about a very nice mono down in tassie before I brought this 78, it was tidy, low kms and ready to go, but at the end of the day yes it was a bloody mono and I just love the look of the old, earlier ones.

Lighter this, and better that means nothing at the end of the day if you don't have liking for the bike and I know that I would of been kicking myself that I did not go for the older bike and I'd be driving the wife crazy with trolling ebay all over again.

I still have my K1100 for days when I need to ride a boring, bland bike in complete comfort.

A threshold issue for you may be: "Do you really want an RS, rather than another S-faired bike?" The riding experiences of the two types are remarkably different, given the commonality of the drivetrains. Having the wind shunted aside by the RS fairing, together with the different riding position of the narrow RS bars may well matter---maybe better, or maybe not, but if you don't have some saddle time on an RS, you ought to give it a decent tryout before deciding that that's the way you want to go. The RS fairing is a beautiful device that works well for some, and not so much for others.

Hi She'llbe. You could ask micheal Schnerring what he's thoughts of them are.He owned an early RS1000 back in the days when i first meet him , that was over thirty years ago ! by memory he had 40MM dels on it.

This R100RS mono is for sale. Your local airhead mechanic (Michael) knows the the bike and the rider. He is looking for around $7,250. Radz is in Brisbane.

I would consider the general rule for BMW. Always buy the last in any series, as you get the most reliable one that way.

Having never ridden a mono, I can't comment on that aspect.

NO, don't ride your mono over so that I can ride it, thank you very much. I have also never ridden a 3, or 4 cylinder BMW or almost any other later model.

I'd like to thank everyone for their replies. I did ask Michael if he knew any bikes for sale as I certainly respect his opinion, he's the one that rebuild my 900. I'll ring Michael this morning and inquire into your mates ride, Buzz.