Sat, 05/07/2016 - 16:12
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I have dismantled, cleaned and re set my front brake but it does not seem very powerful. I accept that a 1957 brake will not perform like a modern one but it lacks bite and requires a lot of lever effort. Linings are good and the return springs in their correct positions.
Any ideas or comments please?
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Drum front brakes should be pretty stout when set up right. So, no changes to the shoes...back in the same position? Because of they were turned or rotated, there might be high spots now. You can test for that by first cleaning off the shoe surface, reinstall the wheel, rotate the wheel by hand, then lightly squeeze the hand lever. Take off the wheel/drum and make sure there's even contact with the shoe.
Other than that, check out Duane's site on setting up the drum brake:
http://w6rec.com/duane/bmw/brake/
Kurt in S.A.
'78 R100/7 '69 R69S '52 R25/2