BMW Motorcycles

Featured Pages
Matchless Flat Twin 1916
An Outstanding Design by Harry Collier
Matchless 732cc HO Twin

Clement Ader
The Stuff of Legend
Pioneer in Telephony, Aviation and Motorcycling
Moteurs Ader

Guzzi's Grandpa
A shaft-drive transverse V-twin from 1904, another deft touch from Clement Ader.
Moto-Cardan

High quality photography of Vintage, Classic and Racing motorcycles. An introduction to his encyclopedic catalogue is available here:
Phil Aynsley's Motorcycle Portfolio

www.bynumonline.com

Christian Bynum's Classic BMW Motorcycles: Technical Information

Home > Motorcycles > Technical

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

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