Duane Ausherman BMW motorcycles
What I can remember after decades of working with BMW motorcycles
11 – Adjusting the X-Plane Before we begin with the X-Plane adjustment you need to understand the relationship of forces applied to the tubes and how they affect the alignment of the forks. In this diagram, the cross piece represents the fork yoke and the two vertical tubes represent the fork tubes. …
Continue reading “BMW motorcycle telescopic fork alignment procedure, Randy Glass, page 11”
1 – DISCLAIMER and SAFETY WARNING Doing any work or making any adjustments to the steering, suspension, or brakes of a motorcycle is dangerous. Something as simple as leaving a single wire cable unsecured can cause it to become caught, resulting in loss of steering. Even if you do all the things described in this …
Continue reading “BMW motorcycle telescopic fork alignment, Randy Glass page 1”
1 – DISCLAIMER and SAFETY WARNING Doing any work or making any adjustments with the steering, suspension, or brakes of a motorcycle is dangerous. Something as simple as leaving a single wire cable unsecured can cause it to become caught resulting in loss of steering. Even if you do all the things described in this …
Continue reading “BMW motorcycle telescopic fork alignment, page 2”
Ji-Young Lim, our visitor from South Korea by Duane Ausherman During a trip in 2006, around the Western states, I had occasion to visit my good friend in Las Vegas, Michael Stuben, who owns the server that hosts this website. His girlfriend had just returned from teaching music at Fresno state college in CA. She …
Homemade BMW motorcycle parts washer (car parts too) by Duane Ausherman This page is in response to several requests for information about my homemade parts washer. Build your own parts washer cheaply and easily. Since I had recently retired (1975) from a BMW dealership, I found that I was spoiled with having a Safety Kleen …
BMW Airhead motorcycle model, year, and VIN errors by Duane Ausherman VIN means what? The legal description of a vehicle is often defined as the Vehicle Identification Number or VIN. When you hear someone say VIN number, that is redundant, repetitive, tautologous, and pleonastic 🙂 In other words, if you say “VIN number,” you sound …
Correcting the timing difference between cylinders on the /2 BMW motorcycle twin. by Duane Ausherman Since 1951 the BMW twin has had a magneto ignition system. It is made in such a way that it can result in a different ignition timing for each cylinder. Some call this a double image or split image. One …
/2 BMW motorcycle pistons by Nural, especially the R60/2 and ring orientation. By Duane Ausherman This page is about the BMW motorcycle models R26, R27, R50, R60, R69, R50/2, R60/2, R50S, R69S, R50/US, R60/US, and R69US. Some info on the 1974 R90/6 and the R90S that leaked oil from the rear main seal. The early …