BMW Motorcycle Tech Tips and Tricks

I am not an expert in any way. Please don’t hold me responsible for any mishaps.
If there is an error in my postings, i’d appreciate a friendly note and I’ll make a correction.
I am posting these tips to be of assistance to others and to keep more classic airhead BMW motorcycles on the road.

Ride Safe!


Motorcycle frame alignment jig

Center stand improvements on a typical airhead BMW motorcycle:

Installing a new steering lock from BMW.

Reinforce the passenger peg, rear brake, muffler hanger section of a BMW airhead frame:ā€¦n-bmw-motorcycle/

The size difference between a short wheelbase subframe and long wheel base:

swingarm short long BMW

Short wheelbase subframe vs long wheel base


Fixing leaking front fork studs on a /5 BMW motorcycle fork slider:

Disassembled /5 Fork Anatomy:

A photo of the triple tree bearing removal tool in action:

Steering race removal:

Steering race and bearing install:

Race Tech Gold Valve Emulators


Swing arm races and bearings install:


Lightened flywheel:

BMW clutch removal done cheaply:

Removing BMW clutch plate with flat head screws:

Installing the Transmission:

1979 and 1980 Boyer Brandsen electronic ignition installation:

BMW /2 or /5 motorcycle key retrofit from Rocky Point Cycles:

Speedometer and headlight wiring

Making custom battery cables:

How to prep or prevent a 5 speed neutral switch from leaking BEFORE you install it:

Attaching a cafe seat pan to a cafe tail section:
Replacing the /5 and /6 cork gascap gasket:

BMW rim offset specs:

BMW R90/6 rear wheel bearing install photos:

BMW Tire sizes for 70’s era motorcycles:

1 thought on “BMW Motorcycle Tech Tips and Tricks

  1. The starter runs on after replacing the battery. MY K75 1994 Just touching the cable starts the
    motor turning with key on or off. please help

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