Internal Throttle
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Internal Throttle
I am trying to fiqure out if there is something wrong with my internal throttle set up on my 62,when i twist the throttle open my cable gets shorter is that correct?i put a m74b on the bike ran the cable like its supposed to be routed.its working in reverse.i also tried using the bracket that mounts to the center motor mount it works, but i thought the cable wire pushs out [gets longer]when you roll the throttle open and wire gets shorter when close the throttle?if thats the case mine is working opposite.
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Re: Internal Throttle
My 62 gets longer when twisted and short when returned. I don't know how this will sound but maybe left grip on right side??? I'm open for shots now
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Re: Internal Throttle
i'm not sure but i will try changing them and seeing.thanks62wild1 wrote:My 62 gets longer when twisted and short when returned. I don't know how this will sound but maybe left grip on right side??? I'm open for shots now
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Re: Internal Throttle
There are two types of throttle spirals, one pushes, one pulls. You have a spiral for a different carb set-up than your M74, most likely for a later Tillitson or Bendix model. Spirals are available to correct it. What carb was on before? what year are the handlebars off of?
Robbie
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Re: Internal Throttle
There are two. I had a linkart on my 65 five. it had the spiral that pushed when you opened the throttle. I swapped to an SandS. It needed to pull when opened. Picked up the internal spiral from Old Dude, I think they are out of Georgia. 1877-653 3833. Good folks to work with. Ray
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Re: Internal Throttle
thanks cotten!Cotten wrote:Mark!
It sounds like you have the later reversed spiral installed.
....Cotten
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Re: Internal Throttle
can i jump on this too? i have the 36-48 spirals and a m61 linkert carb with the tall two hole throttle bracket. will this set up work? when i twist the throttle back towards me the wire pushes out and get longer. thanks again.
-billy
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Re: Internal Throttle
cotten which one should i get for my bike?thanks,marktattoo mark wrote:thanks cotten!Cotten wrote:Mark!
It sounds like you have the later reversed spiral installed.
....Cotten
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Re: Internal Throttle
Mark!
56220-53 is the correct sleeve according to the Parts Book.
I haven't a later book handy, but the "pull" sleeve you have is probably a -67 or -72 number.
It is an easy swap, requiring only a very large screwdriver, and a little WD-40 to get the grip off.
....Cotten
56220-53 is the correct sleeve according to the Parts Book.
I haven't a later book handy, but the "pull" sleeve you have is probably a -67 or -72 number.
It is an easy swap, requiring only a very large screwdriver, and a little WD-40 to get the grip off.
....Cotten
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Re: Internal Throttle
thanks cotten!you saved the day again!Cotten wrote:Mark!
56220-53 is the correct sleeve according to the Parts Book.
I haven't a later book handy, but the "pull" sleeve you have is probably a -67 or -72 number.
It is an easy swap, requiring only a very large screwdriver, and a little WD-40 to get the grip off.
....Cotten
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Re: Internal Throttle
I bought the right spiral from"Old Dude" and it works great! Thank Again for all your help!