The New BMW R90S Site

Welcome to the new R90S Website!

This is the new location for R90S.com, which has become a part of the Vintage BMW Motorcycle Owners (VBMWMO) website. This R90S homepage is your portal to news, information, comraderie and help with the BMW R90S motorcycle, produced from 1974-1976 in TT Silver Smoke and Daytona Orange paint.

If you're an existing member of the R90S forum, you'll find that your account has been moved over, and any posts you may have made are now a part of the VBMWMO Forum. To login, just click on the login link above on the right, in the banner.

We also suggest that you visit the home page of the R90SWorldNet mailing list, where you can find a huge amount of detail and information about this special model.

1974-1976
Model Specifications
Drivetrain
Displacement 898cc
Cylinders 2
Bore x Stroke (mm) 90 x 70.6
HP @ RPM 67 @ 7000
Compression Ratio 9.5:1
Valves OHV, 2 per cylinder
Clutch Dry, single plate, cable operated
Transmission 5 speed, foot shifted
Final Drive Driveshaft
Running Gear
Frame Tubular steel double cradle
Front Suspension Hydraulically damped telescopic fork
Rear Suspension Twin shock swingarm
Front Brakes Dual ATE 260mm disc with single piston
Rear Brakes 200mm drum, single leading shoe
Electrical
Ignition Battery/coil
Spark Plugs Bosch W5DC
Generator Bosch G1 14 13V 21A 280W
Capacities & Measurements
Weight 220kg
Fuel 24l
Wheelbase 1465mm
Top Speed 200kph
Number Produced 17465
by JakeF
I can't seem to find anyone here in the states that sells the two piece seal for the front brake piston. Everyone...
Last updated: 4 min 34 sec ago; 5 Replies
by JakeF
I have the old seat pan ready to install the new foam and seat cover. When taking off the old cover I noticed a strip...
Last updated: 1 day 17 min ago; 0 Replies
by JakeF
Sorry for what is probably a dumb question but - I started tearing down my '76 R90S this weekend. The steering shock...
Last updated: 1 day 1 hour ago; 2 Replies
by MikeL46
I mean I like my R90S. I like that it had 140,000 miles on it and my daughter and I could just take off and go from CA...
Last updated: 1 day 14 hours ago; 5 Replies
by JakeF
I have the seat pan ready for repaint and want to get it right. Should it be a gloss or semi-gloss? Is it the same...
Last updated: 3 days 9 hours ago; 2 Replies
by JakeF
Is the rear fender on an R90 the same as the one on an R90S? It looks the same in the picture. I have an opportunity...
Last updated: 1 week 1 day ago; 2 Replies
by san-arthur
HI everyone I’m going to service the brakes on my R90S. I need ATE’ front brake caliper O-rings, which is sandwiched...
Last updated: 1 week 6 days ago; 31 Replies
by JakeF
I have a fairing for my R90S that needs some repair work that I can do myself. But it came with none of the mounting...
Last updated: 1 week 6 days ago; 4 Replies
by SteveH
I have taken off the original side stand from my 75 R90s It has been painted black and looks horrible and i want to...
Last updated: 3 weeks 5 days ago; 8 Replies
by watson
I am looking at an R90S and it has gold colored cast wheels. Were those ever installed on new bikes or were they added...
Last updated: 3 weeks 5 days ago; 7 Replies