General Category > Frame, Tank, Seat, Controls, Etc

Model M throttle twist assembly

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Scooter4:
Good evening,
I have a model M I fixed up years ago and have never started because I am missing some throttle twist parts.  I have a few pictures from this site, but none showing how the twist tube is held on or what the retainer that does that looks like or the inside of the twist tube.
This is an odd design.
I am wanting to make parts 770, 762 and 763.  I have all the other parts.  Refer to attached parts image.
I would appreciate pictures and some measurements.
Thank you,
Scooter

ramwing7:
Are you making any headway on these parts?
I find myself in need of 770. I don’t know what it is or what it does. Thought I could make one if I had some dimensions.
I noticed Wayne Mahaffey has 763.
I have 762. It’s fairly involved piece, so I don’t know how to communicate about it. Perhaps if you asked questions perhaps I could answer them.

Ricks:

--- Quote from: ramwing7 on July 21, 2023, 01:20:06 PM ---Are you making any headway on these parts?
I find myself in need of 770. I don’t know what it is or what it does. Thought I could make one if I had some dimensions.
I noticed Wayne Mahaffey has 763.
I have 762. It’s fairly involved piece, so I don’t know how to communicate about it. Perhaps if you asked questions perhaps I could answer them.

--- End quote ---

Part 770 is unnecessary. I have assembled many of these without it, never a problem. Wayne has all the parts for this style of throttle, and his rotating tube is made out of a thicker than stock material, and works excellent.

ramwing7:
Sure can do unnecessary.
Thanks 😁

Scooter4:
Good afternoon,
a couple of photos of inside and outside of 762 throttle tube would be much appreciated.  It looks like there might be some piece added inside of it from the parts diagrams.
If I can see photos of a real one I will know enough to decide if I have the ambition to make one.  Each time I make a different spiral, I have to make different tooling or do them by hand.

How the spiral is held on with 763 is the part I do not understand.

Thank you,
Scooter

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