B31 Magneto backlash

Started by watts, 06 Jan, 2025, 21:05

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watts

It has been a while since I have had magdyno bike.
I am sure on a previous one there were adjustable studs on the base to set backlash.
It is a 1953 bike.
Mine has no studs and looks it never has or not for many years.

By 1953 were no longer used?

Thanks

Matthew

Bigsingle

#1
My B33 magdyno was along way off centre , my slots didnt look worn , so I added a tiny amount of weld to the pegs (tig) to allow me to file to suit , it worked out fine . And was alot less than I thought (weld) to correct .  My magdyno base had some wear at the points end  so i added a approx .004" shim across that end  which decreased the backlash .Cheers

watts

Hello

Thank you.
I give that a go.

Cheers.
Matthew