Technical & Reference Section > Tech and Restoration

79 Goose build thread - update 21.07.14

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Jaan:
It's August 79 - CH9.

I'm fairly certain that the forks are Competition forks which were fitted to Team models, perhaps it was that which planted the seed in my mind? They're certainly not the nickel plated hi-tensile steel tubular fork that came on the 79 Mongoose... Anyway the good news is that I'm not utilising the Mongoose forks for this build so what they are is moot...

snoopy72:
August 79 motomag had tange pitch forks , if they are team competition forks they will be 7/8 leg diameter the same as supergoose, team and non drilled Roger decoster the way they curve at the top's not that sharper bend and they look the same diameter as the steer tube.
Measure the fork leg to see if it's 25.4mm
Look nice with some Bottema forks on it

Jaan:
I'll measure in a bit John, how do you calculate the diameter? Is it the circumference divided by Pi? It's been a while...  :)

snoopy72:
With a digital vernier is easiest, you must have a hinged or 2 piece seat post clamp ?, put a piece of masking tape around the fork and just fit it around the fork leg , if it nice and snug they are 1" if it is very sloppy they are 7/8 :daumenhoch:
You won't even have to clamp it up to see if it fits nice or not, don't damage the new paint :coolsmiley:
These are  May 81 motomag 1" forks


Below are my Dec 80 supergoose 7/8 forks (competition forks) same as Team

Steve P:
Team forks have a larger boss where the caliper bolts on if drilled ... that's normally the quickest way to tell the difference :daumenhoch:

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