Author Topic: Tonti Le Mans Swinging arm pivot thread and bearing size size  (Read 447 times)

Offline Simon_London

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Tonti Le Mans Swinging arm pivot thread and bearing size size
« on: December 10, 2018, 04:49:33 AM »
Can anyone tell me the thread size on Tonti Le Mans 1 and 2 T3 etc swinging arm pivots?

Can anyone tell me what the bearing dimensions are ?

Thanks

Simon

Offline earemike

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Re: Tonti Le Mans Swinging arm pivot thread and bearing size size
« Reply #1 on: December 10, 2018, 05:30:50 AM »
I think the pin was an M20 fine thread but Iím too lazy to go to the shed.

Stein Dinse have the online parts listing or Greg benderís page would list bearing part numbers
850 T3
850 LeMans killer goose or somesutch Iím told
850 LeMans
850 LeMans II (I've butchered it by fitting a round headlight & removing the front faring.)
SP1000 Stucchi
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V7 Sport (needs a little work)

Offline Antietam Classic Cycle

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Re: Tonti Le Mans Swinging arm pivot thread and bearing size size
« Reply #2 on: December 10, 2018, 09:07:03 AM »
The thread is M20-1.0. I bought a pair of taps on Amazon for under $20.

The bearing is trade number 30203, which 17 x 40 x 12.
« Last Edit: December 10, 2018, 09:08:05 AM by Antietam Classic Cycle »
Charlie
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Offline Simon_London

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Re: Tonti Le Mans Swinging arm pivot thread and bearing size size
« Reply #3 on: December 10, 2018, 01:14:07 PM »
Thanks !

Offline geodoc

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Re: Tonti Le Mans Swinging arm pivot thread and bearing size size
« Reply #4 on: December 12, 2018, 12:32:39 PM »
Do I recollect wrongly, or isn't that the same as the crank sludge trap plug?

The thread is M20-1.0. I bought a pair of taps on Amazon for under $20.

The bearing is trade number 30203, which 17 x 40 x 12.

Offline Antietam Classic Cycle

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Re: Tonti Le Mans Swinging arm pivot thread and bearing size size
« Reply #5 on: December 12, 2018, 01:09:56 PM »
Do I recollect wrongly, or isn't that the same as the crank sludge trap plug?

The crank plug diameter is 22 mm, the thread pitch is 1.25.
« Last Edit: December 12, 2018, 03:11:00 PM by Antietam Classic Cycle »
Charlie
http://www.AntietamClassicCycle.com
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