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Search found 26 matches

by Topfmine
Wed Jun 12, 2019 12:49 pm
Forum: Antique (1923-1945) Motorcycles
Topic: R12 sidecar fender attachment bracket
Replies: 1
Views: 1914

R12 sidecar fender attachment bracket

Trying to find from pictures of how the wheel guard fender on a R12 sidecar is attached at the front to the sidecar frame/chassis, what does the bracket or attachment look like, anyone know, can anyone help.
by Topfmine
Wed Jun 12, 2019 12:42 pm
Forum: Antique (1923-1945) Motorcycles
Topic: Light beam switch cable operated
Replies: 4
Views: 3160

How is the horn cable

How is the horn cable correctly wired in place around the handle bars to the bike loom and horn, is there a certain correct way.
by Topfmine
Tue Apr 09, 2019 8:02 am
Forum: Antique (1923-1945) Motorcycles
Topic: Light beam switch cable operated
Replies: 4
Views: 3160

Many thank for your replies.

Many thank for your replies. This is the switch that should operate the horn and the high and low beam. As for the horn i assume there is one wire from the horn to the bucket, the earth through the handle bars to chassis. A switch on the back of the headlight bucket or part of the ignition key. What...
by Topfmine
Wed Apr 03, 2019 12:57 pm
Forum: Antique (1923-1945) Motorcycles
Topic: Light beam switch cable operated
Replies: 4
Views: 3160

Light beam switch cable operated

Can anyone tell me if the light beam switch on BMW motorcycles, cable operated on the handlebars to a switch in the headlamp bucket just works the high and low beam on the headlamp, I assume a two way switch or does it do more and turn the lights on and off as well as high and low beam. To do the la...
by Topfmine
Wed Apr 03, 2019 12:49 pm
Forum: Antique (1923-1945) Motorcycles
Topic: BMW R71 frame horn brackets, different types
Replies: 2
Views: 1984

Many thanks for your help,

Many thanks for your help, this solves many questions.
by Topfmine
Wed Feb 06, 2019 5:49 pm
Forum: Antique (1923-1945) Motorcycles
Topic: Sidecar seat material
Replies: 0
Views: 2131

Sidecar seat material

Can anyone tell me what the original material is for vintage BMW sidecars like the R12. Is it real leather or synthetic plastic vinyl imitation leather.
by Topfmine
Sun Dec 30, 2018 8:20 am
Forum: Antique (1923-1945) Motorcycles
Topic: BMW R71 frame horn brackets, different types
Replies: 2
Views: 1984

BMW R71 frame horn brackets, different types

I have notice on different BMW R71 frames that there seems to be two types of horn bracket welded to the frame which is also part of the seat and rear mudguard bracket. On one frame the bracket for the horn points down with a hole for the horn. The other bracket points down and back up like a small ...
by Topfmine
Sat Nov 10, 2018 5:47 am
Forum: Vintage (1948-1969) Motorcycles
Topic: Frame tag decal
Replies: 15
Views: 4159

I know its an old post but

I know its an old post but how is the tag project going?
by Topfmine
Wed Mar 21, 2018 2:22 pm
Forum: Antique (1923-1945) Motorcycles
Topic: BMW R71 Fuel tank
Replies: 1
Views: 1565

BMW R71 Fuel tank

A friend of mine is after a BMW R71 fuel tank, the chances of finding an original look remote and at a high price so a replica is the next option. I did recommend Oldtimer garage in Poland but they have sold out, not sure when they are getting more made. Would be interested to know if Oldtimer gara...
by Topfmine
Tue Oct 03, 2017 5:39 pm
Forum: Antique (1923-1945) Motorcycles
Topic: Correct wiring connectors for pre-war BMW bikes
Replies: 5
Views: 2436

Thanks for the manual pdf,

Thanks for the manual pdf, very useful. Just wondering what I could use as a jointer connector in case one is needed that looks the period for the bike.