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Author Topic: Gear shift knob size  (Read 2794 times)
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pmarriott
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« on: March 01, 2009, 04:05:53 PM »

Hi all

Can someone please confirm the diameter of the gear shift knob. I am guessing it is a phenolic ball knob??

Also could someone please confirm the diameter of the ball knob used on the headlight mounts. I know the thread is 1/2" UNF but not the diameter

Cheers

Paul
« Last Edit: December 31, 1969, 07:00:00 PM by pmarriott » Logged
waayfast
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« Reply #1 on: March 02, 2009, 02:43:32 PM »

Paul, I have the incomplete hulks of two MG-1's,one has a shiny (aluminum?) knob but the other has a knob that appears to be phenolic.Not perfectly,round more like a top.At the widest 1-15/16" and across the base 1-1/8" as near as I can tell using a tape and shakey hands/bad eyes.I did take a photo if we can figure out a way to get it to you---E-Mail?. Jim
« Last Edit: December 31, 1969, 07:00:00 PM by waayfast » Logged

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bombereg82
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« Reply #2 on: March 19, 2009, 05:13:35 AM »

Paul you might find what you are looking for at this site:

http://www.olivercletrac.com/parts.html

Thou they are listed for a Cletrac "E" model the controls look very simular to the MG-1/M-2

hope this helps,
Bernard
« Last Edit: December 31, 1969, 07:00:00 PM by bombereg82 » Logged
bombereg82
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« Reply #3 on: March 21, 2009, 08:07:12 AM »

Paul,

I called ZIMMERMAN OLIVER-CLETRAC, www.olivercletrac.com, and they did a parts cross check for me.  The part number for the shift knob and trottle knob for the M2/MG1 are the same for the "E" series and the price was not bad $6 each ordered them and a set of steering hand grips too.  They were very friendly and helpful.

Bernard
« Last Edit: December 31, 1969, 07:00:00 PM by bombereg82 » Logged
bombereg82
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« Reply #4 on: March 25, 2009, 02:52:32 PM »

Paul,

Just received the shift and throttle knobs and they messure 1 7/8" dia.  They are made of hard plastic.

Bernard
« Last Edit: December 31, 1969, 07:00:00 PM by bombereg82 » Logged
Taigh Ramey
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« Reply #5 on: April 10, 2009, 12:38:16 AM »

Bernie bought the knobs and grips for the Cletrac from Zimmerman's and when we tried to install them we found out that the threads were different.

The Cletrac MG-1/M2 we have has 1/2-18 threads on both the throttle and gear shift levers. The knobs from Zimmerman has a 1/2-20 threaded brass insert.

We have ordered the special tap from a machine tool supply outfit to fix the knob. Should anyone want to use the tap they are welcome to borrow it just send it back when you are done.

The knobs and brake grips look great so if you need good quality replacements I can vouch for the ones from Zimmerman's.

Thanks for the awesome gift Bernie!
« Last Edit: December 31, 1969, 07:00:00 PM by Taigh Ramey » Logged

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pmarriott
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« Reply #6 on: April 10, 2009, 01:40:04 PM »

Thanks for replies on gear knobs. I will order some and hand grips from Zimmerman in a couple of weeks. I may also buy two bare chassis that have just come up for sale in the UK. Chassis and transmission only
« Last Edit: December 31, 1969, 07:00:00 PM by pmarriott » Logged
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