The Airheads Beemer Club is a non-profit club reclaiming the 'Legendary Motorcycles of Germany'

Topic-icon Shipping a bike question / Introduction

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1 month 3 weeks ago #5276 by 12771
Replied by 12771 on topic Shipping a bike question / Introduction
So, a month has passed, I’ve purchased new Spiegler brake cables, and I’m discovering that the realities of being a single dad don’t allow for much extra time to wrench on a motorcycle ... so I’m in the same spot I was a month ago. Given the state of my bike and all that may need to be done to it, I’ve decided to let someone else do the wrenching right now. I’ve located a reputable airhead mechanic in SLC and will pass it off to him next week. Thanks very much again for your advice.

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1 month 2 weeks ago #5315 by 12771
Replied by 12771 on topic Shipping a bike question / Introduction
Hi again. Ron at Bavarian Motorcycle Workshop took a look at my bike. Apparently time has not been kind. There is a large pit in the left cylinder and various other issues (MC shot, front brake piston seized, tank almost rusted through, drive shaft boot needs to be replaced, rebuild carbs) that he can see right now.

I don’t know what to do. I’m emotionally invested in this bike, but fixing these will be three grand - and he doesn’t know what else he will find along the way or after it’s road-worthy.

Any thoughts?

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1 month 2 weeks ago #5317 by Wobbly
Replied by Wobbly on topic Shipping a bike question / Introduction

12771 wrote: I don’t know what to do. I’m emotionally invested in this bike, but fixing these will be three grand - and he doesn’t know what else he will find along the way or after it’s road-worthy.

Any thoughts?


You're not thinking correctly. It will be $3000 if Ron does the work. It will be several hundred dollars spread over a year if YOU do the work.

I suggest that YOU do the work.

Don't hide 'em, Ride 'em !!
#15150

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1 month 1 week ago #5339 by 12771
Replied by 12771 on topic Shipping a bike question / Introduction
You're totally right. Getting my bike back today. Will get to work on the brakes immediately.

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1 month 1 week ago - 1 month 1 week ago #5340 by Wobbly
Replied by Wobbly on topic Shipping a bike question / Introduction
Start on the brakes. Have you ever rebuilt a master cyl ? It's actually very easy. Disassemble the m/c and scrub all the parts in hot soapy water. Allow them to dry in the sun or put a hair dryer on them. Wrap a piece of 400 grit emery cloth around a short length of 1/4 dowel, then put the dowel in a drill motor chuck. Just go round and round, while you go in/out on the bore. If you can get a sparkling clean bore with no pitting, then it can be rebuilt with the addition of a rebuild kit.

While you wait on the kit, you can paint the outside of the iron cylinder, and scrub out the reservoir. Compressed air really helps blow out debris.

With only 2 pieces, the calipers are even simpler. Compressed air will pop out the piston(s). Scrub out all the old crap that accumulates inside, again with 400 grit and hot soapy water. You won't require new seals if the old ones weren't leaking.

Sometimes really old DOT4 will build up a thick, crusty varnish. The 400 grit will get rid of all that. When everything is clean, coat the bare surfaces in new brake fluid before re-assembly.

Easy as that.

PS. If the m/c was leaking there will be missing paint on the frame. Also clean up the gelatin left by the brake fluid off of the electrical contacts just below the m/c. (Again with hot soapy water.) Brake fluid in any form will cause terminal corrosion and poor electrical connectivity.

Don't hide 'em, Ride 'em !!
#15150
Last edit: 1 month 1 week ago by Wobbly.

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1 month 1 week ago #5342 by 12771
Replied by 12771 on topic Shipping a bike question / Introduction
I've never rebuilt anything in my life. I'm an absolute newbie at this. I plan to take the front brake assembly apart today. I'll clean it up and see how the master cylinder looks.

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