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General Category => General Discussion => Topic started by: Dan Beaman on July 01, 2022, 01:06:02 PM

Title: Starter switch, throttle assembly
Post by: Dan Beaman on July 01, 2022, 01:06:02 PM
After digging through every wiring scenario I could think of on why my '81 G5 wouldn't turn with my starter switch, I finally realized the issue is my starter switch itself. How do you get the the throttle itself out of the starter/kill switch electrical housing and how do I get it IN the new???

Or do I have to do separate units?
Title: Re: Starter switch, throttle assembly
Post by: centauro on July 01, 2022, 02:02:07 PM
If your throttle/switch assembly is the "lego" style, there are 2 tiny, slotted screws under the unit that, once removed, will split the unit into halves. You'll need a small 1/8" blade common screwdriver.
That is what I had on my '84 SP 1000, and the switch went bad, as well.
What I did, once it was apart was to take a hack saw and cut off the switch part of the throttle. Then I bought this, or similar to replace starter and kill switch unit:

https://www.amazon.com/gp/product/B07GNBRJ6C/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1

The throttle part of the unit was not affected.

Title: Re: Starter switch, throttle assembly
Post by: Dan Beaman on July 01, 2022, 02:59:37 PM
Ok....that worked in getting apart very well. How did you get the throttle assembly to stay put? Just friction?
Title: Re: Starter switch, throttle assembly
Post by: centauro on July 01, 2022, 03:23:11 PM
Ok....that worked in getting apart very well. How did you get the throttle assembly to stay put? Just friction?

The throttle plastic drum just rests in the "cradle" of the bottom shell. Just disconnect the cables first to make it easier to reassemble; a little grease around the throttle would not be a bad idea at this time. Then reinstall the cables after the 2 halves are back together.
Title: Re: Starter switch, throttle assembly
Post by: guzzista on July 01, 2022, 03:46:55 PM
Unless you are going the Concourse correct route, you could upgrade the whole thing and use separate units .
The Detomaso era Lego  switches did  well given how low budget they were built, but starting/ kill switch and throttle are safety and reliability  items so  with that in mind , here are some new available items for the job. That way you will have a new switch as well as a metal dual throttle

https://www.mgcycle.com/index.php?main_page=product_info&cPath=131&products_id=739

https://www.mgcycle.com/index.php?main_page=product_info&cPath=37_140&products_id=4898

Title: Re: Starter switch, throttle assembly
Post by: Antietam Classic Cycle on July 01, 2022, 03:58:04 PM
Ok....that worked in getting apart very well. How did you get the throttle assembly to stay put? Just friction?

There should be a tiny set screw on the underside that locks the unit to the handlebars.

Unless you are going the Concourse correct route, you could upgrade the whole thing and use separate units .
The Detomaso era Lego  switches did  well given how low budget they were built, but starting/ kill switch and throttle are safety and reliability  items so  with that in mind , here are some new available items for the job. That way you will have a new switch as well as a metal dual throttle

https://www.mgcycle.com/index.php?main_page=product_info&cPath=131&products_id=739

https://www.mgcycle.com/index.php?main_page=product_info&cPath=37_140&products_id=4898



I use this right-side switch on my Convert: https://www.mgcycle.com/index.php?main_page=product_info&cPath=37_140&products_id=2592
Title: Re: Starter switch, throttle assembly
Post by: Dan Beaman on July 01, 2022, 07:05:40 PM
Unless you are going the Concourse correct route, you could upgrade the whole thing and use separate units .
The Detomaso era Lego  switches did  well given how low budget they were built, but starting/ kill switch and throttle are safety and reliability  items so  with that in mind , here are some new available items for the job. That way you will have a new switch as well as a metal dual throttle

https://www.mgcycle.com/index.php?main_page=product_info&cPath=131&products_id=739

https://www.mgcycle.com/index.php?main_page=product_info&cPath=37_140&products_id=4898

I ordered that very switch assembly, but I'm doing what centauro saidvabout cutting it apart. It worked!