Speedometer Drive Gear Replacement

All flathead topics
Post Reply
old man emu
Posts: 687
Joined: Sun Mar 25, 2012 7:00 am
Bikes: WLA Mk lll, civilianised
Location: Narellan Vale, New South Wales, Australia
Has thanked: 8 times
Been thanked: 8 times

Speedometer Drive Gear Replacement


Post by old man emu » Thu May 17, 2018 1:44 pm

The nylon worm gear on my speedometer drive has been chewed up.

Part # 1114-37 is a fibre replacement for the worm gear itself.

1. Are the fibre gears OK?
2. How difficult is it to fit one of these gears to the drive unit I already have?
3. Should I save myself the heartache and fir a Part # 11138-37 that comes with a nylon gear?


Posts: 202
Joined: Wed Aug 13, 2014 8:27 pm
Bikes: A few...
Has thanked: 1 time
Been thanked: 13 times

Re: Speedometer Drive Gear Replacement


Post by liberator » Thu May 17, 2018 8:52 pm

Fiber, nylon or brass...it really doesn't matter.
As long as you push the drive all the way home so the forked thingy fits on the back (!) of the plate-lip..she's fine.
They'll all fit the rod, not too tight; it should be able to move inside the drivepiece

Post Reply

Return to “Flathead and Servicar”