Technical Notes BMW Motorcycles

Featured Pages
Supercharged Singles
Dunelt 500cc Two-Stroke

Sammy Miller's Ariel
GON-786 HT5 Trials
HT5 Ariel

Matchless OHC Racers
Collier's Overhead Cam Single 1923-1929
Matchless OHC 1920s

Ducati Gowanloch
Parts and Service for Bevel and Belt Drive Ducati. Huge stocks - Worldwide delivery. Est. 1977.

www.bynumonline.com

Christian Bynum's Classic BMW Motorcycles: Technical Information

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I maintain the following pages on technical aspects of classic BMW motorcycles and their restoration:

The following are external links to additional techical information:

Paint Codes for BMW Motorcycles 1970-84 -- Courtesy of Robert "da Bum" Fleischer
Modifications for Performance -- Another great page for Airhead riders and racers from da Bum!
Airhead Tech Articles (Internet BMW Riders)
Duane Ausherman's BMW Tech Pages
Dell'Orto Carburetor Tuning Guide (for the R90S)
BMW VIN Decoder -- A handy reference for year/model of those mystery frames & engines
Electrical System Wiring Diagrams for Airheads -- In color!
Installing Turn Signals with an S Fairing -- An easy, detailed how-to by Jerry Cook
Installing Hella Bar-End Turn Signals -- For that retro look! By Craig Vechorik
Testing the Airhead Diode Board -- By Rob Frankham
www.vintagebmw.org Vintage BMW Technical Q&A -- Solutions to common maintenance issues for /2 motorcycles
Rekeying a Lock Core -- By Butch Hays