OTRA Day1: R80 G/S & R65LS 40th Anniversary Rally

I left on Saturday morning joined by two friends, Chris and John, who decided to ride along to the St. Francis Motorcycle Museum in St. Francis, Kansas. I noticed a sign for it when I took US-36 to the 2017 R100RS 40th Anniversary Rally, but didn’t feel like I had the time to stop.  The museum is about 200 miles from metropolitan Denver, so it’s about the half-way mark for today’s route which ends in Belleville, KS.

As last time, US-36 is a lightly traveled road in excellent condition with almost no 18-wheelers. The traffic this time was about twice as much as the 2017 trip because I left on Sunday that time and most of Kansas stays home on Sunday. But it was light traffic nonetheless and made for a relaxing ride.

Kansas Border

Kansas Border

Kansas Border-Brook & John

Kansas Border-Brook & John

Kansas Border-Chris & Brook

Kansas Border-Chris & Brook

St Francis Motorcycle Museum

What an enjoyable collection of turn of the 20th century American motorcycles from the numerous manufacturers in business before WWI and the later Great Depression. As is the case with the computer revolution of the middle part of the 20th century, which had a large number of computer hardware companies, the American motorcycle industry consolidated over the next 50 years into a handful of companies. The collection was a delight and even included two BMW’s, an R60S and an R27.

St. Francis Motorcycle Museum Decal

St. Francis Motorcycle Museum Decal

St. Francis Motorcycle Museum-1966 R69S

St. Francis Motorcycle Museum-1968 BMW R69S

St. Francis Motorcycle Museum-1968 BMW R69S

St. Francis Motorcycle Museum-1968 BMW R69S

St. Francis Motorcycle Museum

Geographic Center of the US

After I left John and Chris in Bird City where they turned off to visit a good friend of John’s before heading back home, I continued for another 200 miles to Belleville KS. Not too far from there is the geographic center of the US. Although I didn’t exactly go to the exact spot, I did take some pictures of the memorial to it on US-36.

Geographic Center of The USA

Geographic Center of The USA

Days Slide Show

Here is a slide show of the days pictures, mostly of the fabulous motorcycles on exhibit in the museum.

On The Road Again (OTRG)… R80 G/S & R65LS 40th Anniversary Rally

Gonzo (my 1977 R100RS) and I are going to be on the road again on our way to Todd Trumbore’s home where he is hosting his third airhead 40th anniversary celebration of bikes designed by the legendary Hans Muth, on September 19-22, in Harleysville, PA. (Yes, an ironic location for a BMW airhead rally 🙂 ) This time Todd is celebrating 40 years since the introduction of the iconic R80 G/S and the R65LS models in 1979. Once again, Hans will be in attendance along with a notable list of other airhead and motorcycle legends who will be speaking.  You can see the details here:


R 80 G/S Started the Adventure Bike Category

R65 LS – Distinctive, Minimalist Styling

The first rally Todd hosted was in 2014 for the R90S and the second was in 2017 for the R100RS, which is the rally Gonzo and I first attended. Even though my garage does not yet include an R80 G/S or R65LS, Todd was happy to let me attend the festivities despite riding “only” an RS.

The R80 G/S and R65LS are the last two designs Hans developed for BMW before starting a design studio, Target Design, with some friends, Jan Fellstrom and Hans-Georg Kasten. One notable design from the Target Design studio was the Suzuki Katana in 1980. I find the lines of the R65LS and Katana are similar, as if Hans extended the design vocabulary the BMW R65LS and to the design commissioned by Suzuki for the Katana.

Suzuki Katana-To Me, It Echos The Design Vocabulary of the R65LS

When Gonzo and I went out in 2017, we had an adventure when the shift cam retaining circlip in Gonzo’s transmission came off the shaft. The BMW dealer I ordered it from supplied the wrong size circlip and I was not attentive enough to notice. Gonzo and I ended up being transported to the rally hotel by Scott Mercer with assistance from Tom Gaiser, and Keven O’Neil. Tom Cutter, at Rubber Chicken Racing Garage, one of the best airhead transmission re-builders, was a speaker at the rally and put Gonzo on his trailer while I followed him to his shop riding his “most excellent” R100 “Fake S” bike. He took apart the transmission on the Sunday after the 2017 rally while I watched and assisted with cleaning parts, and I was back on the road that Monday. Here is the story of my adventures going to the 40th anniversary of the RS rally in September 2017.

Although Gonzo and I are very appreciative of Tom’s generous assistance. we plan to avoid imposing on him again on this trip. 🙂

Since I \didn’t complete the entire trip last time in 2017, I am going to take the same route out and back this time. Somehow that seems appropriate.

Gonzo now has “matte” clear coat, which is correct for the 1977 RS bikes, but due to my failure to communicate with my painter, he was repainted with gloss clear coat back in 2017 when I did the restoration. He is also sporting the commemorative badge Todd provided to the participants of the 2017 R100RS rally. I think it’s a very nice touch and a lot classier than the cheap decal BMW originally used on the cowling in 1977.

Gonzo ‘s Matte Clear Coat and Commemorative 40th RS Rally Badge

Rear Cowl With Original "Cheap" Decal BMW Used in 1977

Rear Cowl With Original “Cheap” Decal BMW Used in 1977

Gonzo and I are looking forward to attending this last of the 40th anniversary celebrations of Hans Muth designed BMW motorcycles.

Gonzo’s Excited to Go To Another Todd Trumbore Hosted 40th Anniversary Rally

And Now For Something Completely Different-2004 R1150GS Fuel Filter Replacement

I recently renamed this site “Brook’s Airhead Garage” in recognition that over the almost 10 years since I started it, 95% of the content is about how to rebuild, restore and care for BMW airhead motorcycles.  So what happens? A friend, Rohn, talked me into doing a 72,000 mile service on his 2004 R1150RS.

I too own a 2004 R1150, but mine is an RS. Generally I’ve had a dealer do most of the routine maintenance on it. Although, I have told myself that I ought to broaden my horizons mechanically and become more knowledgeable about it’s maintenance. Rohn’s request pushed me over the edge.

In researching the work required for this service and the history of work done on Rohn’s bike, I noted that his fuel pump is original. Mine died at about 75,000 miles in Des Moines, IA at the intersection of I-35 and I-80 in a construction zone on my way to Michigan. Unlike an airhead, there wasn’t a thing I could do to coax it back to life.  I told Rohn he might consider his fuel pump and the internal hoses  a “preventative maintenance” item and he agreed to have me replace it.

In looking around for information on the internet, and YouTube, to prepare me for this work, I wasn’t able to find good instructions for replacing the fuel pump. There are several resources that show how to replace the filter, but the fuel pump seemed to be left out.

So, I put this material together to fill that gap.


Musing: The Joys of Being A Minimalist

A minimalist is someone who follows this creed,

“Everything should be made as simple as possible, but not simpler.”, A. Einstein.

It is a “scientific” creed similar to Occam’s razor summarized as, “The simplest explanation is usually correct.” These two guiding principles provide direction when you are looking for explanations and aren’t sure how to proceed. But, they also underpin a philosophy of design that creates unadorned, straightforward products that are a delight to experience.

My appreciation of BMW airhead motorcycles is a practical expression of Einstein’s prescription of what the result of science should look like. Airhead design is functional, not elaborate nor flamboyant. The styling relies on form following function for its appeal, not on plastic panels and extraneous amenities that distract from the direct understanding of how the machine works. Even when BMW introduced the first motorcycle with a manufacturer integrated full fairing in 1977, the R100RS, the shape of the fairing was defined by aerodynamic necessity and the requirement to protect the rider from adverse weather. I think the RS fairing is a design that solves several hard problems as simply as possible, but no simpler.

For BMW airheads, the art in the design lies in engineering control of material properties and precision machining during manufacture. For example, machined tapers with press fits are preferred to castle nuts with tab washers when connecting driven components on a turning shaft. Parts inventory is minimized and the assembly procedure is simple.

Another example is the tool kit that comes with the bike. With it, you can disassemble just about anything on the motorcycle. I’ve used the tool kit to remove the top end to replace rings and then reassemble it. I have removed the transmission, the drive shaft, the entire rear sub-frame and the rear wheel with it. Nothing else in my tool box was required. That lowly, hidden tool kit is an elegant expression of the minimalist mindset.

The joy of motorcycling comes from a direct, frictionless connection between mind and action, but that is deepened when the machine you are riding is an elegant execution of the minimalist creed espoused by Einstein.

I think that’s why I got so involved in airhead wrenching over the last decade.

Maryland Airheads SuperTech 2.2

Out of the blue last November, I received an email from Maryland Air Marshal, Will Andalora, asking if I would be willing to be their special guest at the 2017 SuperTech 22.  To say the request was unexpected is an understatement. I called Will and after he assured me there was no mistake, it was me they wished to invite, he talked about his expectations and I accepted the invitation.

Will encouraged me to come out early so I could see some airhead sites before SuperTech started on Friday night. So, on Wednesday morning, I flew from my home in Colorado to Baltimore where Mark Lipschitz picked me up and took me to his home. I met the merry band of Maryland airheads who put this extravaganza of Air Head goodness together; Will Andalora, Mark Lipschitz, Bill Lambert, Jim McKinna. Also joining us was Chris Kennedy who puts on the “Techno Barn” Tech Day. They came over to Mark’s house where we enjoyed home cooked specialties of the house. By the end of the evening, I felt like family.

Thursday was set aside to visit two museums catering to BMW motorcycles, ephemera, lore and to experience the passion of those who love collecting all things BMW Motorad and hearing the stories of how they came by the many items they had collected. The first stop was Jim Hopkin’s home. Jim has pursued photographs, clothing, pins, badges, trophies, bikes, toys, sculpture, and paintings all accompanied by fascinating accounts of his hunts around the world for this cornucopia of BMW motorcycle objects. Jim has one of the original M2B15 flat twin BMW engines supplied to the Victoria motorcycle company for use in their KR 1 motorcycle in the early 1920’s, letters, awards and trophies from racing legends, women riders and racers, and those who guided the destiny of BMW’s motorcycles.

BMW First Flat Twin Engine-M2B15 Used by Victoria in Their KR 1 Motorcycle

1920’s Race Leathers

airheaeds pre super tech
Motley Airhead Gang Poses at Jim Hopkins’ Museum for A Group Mug Shot

Here is a slide show of the pictures I took at Jim’s place.

And a short video of a neat toy BMW that reminded me of toys I played with in the 1950’s.

And a video of a distinctive sculpture Jim commissioned. The artist uses junk from automobile junk yards.

We then met Bob Henig, owner of Bob’s BMW, for lunch followed by a tour of his museum. Bob’s collection of BMW motorcycles is on two floors. I’m working on rebuilding a 1977 R100RS and he has one in his collection so I took some photos of the details I wasn’t sure about.

Bob Henig Leading the Way into His Vintage BMW Museum

Bob has an R32, several famous race bikes, iconic models and even a single wheel MV Agusta.

First BMW Bike, Model R32
1925 R32 in Front of the Iconic K1

1984 Krauser MKM 1000/4
1984 Krayser MKM 1000/4

1970 R75/5 Land Speed Record Bike
1970 BMW R75/5 Land Speed Record Bike

1950’s MV Agusta 60 cc Monomoto Superleggera
1950’s MV Agusta 60 cc Monomoto Superleggera

Here is a slide show of the pictures I took at Bob’s museum.

Friday afternoon was spent setting up for SuperTech at the Tuckahoe Steam and Gas museum including unloading all the cut-away models Bob Sipp brought and getting a guided tour of the machine tools museum. This collection goes back to the beginning of the 20th century. The tools work and many are powered by overhead shafts with belts and pulleys.

Site of SuperTech 2.2 Meeting
Tuckahoe Steam and Gas Association Facility in Maryland-Home for SuperTech 2.2

Just a Few of the Many Machine Tools in the Working Museum

Here are two short videos of the inside of the machine shop. The second shows the overhead shaft and pulley system operating.The overhead shaft and pulley system used to distribute power to the old machine tools that did not have separate electric motors. This was a common method of distributing power in factories at the end of the 19th and early 20th century.

SuperTech has a fantastic collection of cut-away models. This is just one them, a beautifully done cutaway of a Bing carburetor.

One of Three Bing Carburetor Cut-away Models Bob Sipp Brought

Friday evening starts the festivities for the 65 attendees who came from as far away as California with pizza, BYOB, lots of introductions, conversations and a short presentation about how my motorcycling life led me to start rebuilding airhead bikes in earnest in 2009 and documenting the work on my web site, “Motorcycles and Other Musings”.

Some of the Airhead State Flags From Those in Attendance
State ABC Flag Display

Friday Night Pizza & BYOB
Friday Night at the Hotel for Pizza, Beer and Comradery

The format for Saturday included technical, product and riding adventure presentations. The new Kat Dash instrument flex-boards (Kat and Paul Connell), how ethanol affects our bikes (Bill Lambert), the mental preparation for a good ride (Mike Friedle), understanding electricity and wiring systems (Bill Dudley), high mileage riding (Ed Fule), stump the expert (Tom Cutter), a seminar on the on-board toolkit, bike parts and roadside flat tire repair.(Will Andalora), bringing an R75/5 back to life (Dave Fish), details about new replacement wiring harness (Todd Millican) and the story behind the “Motorcycles and Other Musing” web site (Brook Reams). Dinner was served, BYOB was consumed and conversations broke out like daffodils after the spring thaw.

Me and Ed Fule with Our Presenter Aprons
The Author and Ed Fule Wearing Presenter Aprons and Enjoying the Spring Day

Paul and Kat Connell Making Their Presentation in Stereo
Paul and Kat Connell’s Presentation Was in “Stereo”

Dave Fish Rode This Bike To SuperTech
Dave Fish Rode his Presentation Bike to SuperTech

Sunday morning started off with a presentation by Jim Hopkins of the story behind his museum. He captured the imagination and commanded the complete attention of everyone in the room with his slides and storytelling.

Jim Hopkins Presentation on His Museum and His Passion
Jim Hopkins’ Stories Command the Rapt Attention of the SuperTech Audience

At the wrap up, the coveted Dung Beetle award was presented to our Airstore manager Dave Cushing.

Coveted Dung Beetle Award
The Coveted Dung Beetle Award

This is a slide show of pictures I took during SuperTech 2.2