The New BMW R90S Site

Welcome to the new R90S Website!

This is the new location for, 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.

Model Specifications
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
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 SteveH
Has anybody replaced there seat with the one that is being offered by S Mayer or Bench mark works ? Was it an exact...
Last updated: 12 hours 30 min ago; 0 Replies
by 2valve
Did any of the R90S models /certain build dates/ exported to ? have chromed rear sub frame bolts ( shock bolts / front...
Last updated: 5 days 13 hours ago; 7 Replies
by p_reale
Now that I have just about completed the restoration on my '76, I could finally take it on the road. Unfortunately, the...
Last updated: 2 weeks 3 days ago; 13 Replies
by TonyR90S Maybe I have to add some locks to my garage...
Last updated: 3 weeks 6 days ago; 9 Replies
by gary c.
This seems to be my year of the BMW that is a whole new beginning in my vast motorcycle portfolio. This summer (2014) I...
Last updated: 6 weeks 3 days ago; 6 Replies
by gary c.
My first job in a motorcycle shop was in 1976. I was 16 years old. WE were a Honda, BMW, and Bultaco franchise...
Last updated: 6 weeks 6 days ago; 4 Replies
by jrsbike
Greetings all, I am in the process of restoring a 1974 R90S with 9500 original miles. I had planned to use a set of NOS...
Last updated: 10 weeks 3 days ago; 5 Replies
by bmwsog
On my 1975 R-90S, the Del Ortos seem to lean almost bog a bit on curves. This may just be when the engine is not at...
Last updated: 11 weeks 2 days ago; 1 Replies
by 2valve
Hi to all. If an original 1974 BMW R90S I.D plate 407**** ( not the frame) was available to purchase what do you think...
Last updated: 12 weeks 4 days ago; 7 Replies
by mightyteuton
Hello Folks, First time on this forum and looking for advice. I have a R90S with all the standard equipment, which I...
Last updated: 19 weeks 7 hours ago; 1 Replies