Throttle rigging - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 5 (permalink) Old 09-12-2011, 02:32 PM Thread Starter
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Throttle rigging

Is there a scientific approach to rigging the throttle cables or do you just fiddle with them until you have no slack but no binding? The book doesn't seem to be very detailed on how to do this. I've got them rigged somewhat ok at this point (no binding in any steering direction) but there is a bit of slop in the handle which I don't care for.

-Robert
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post #2 of 5 (permalink) Old 09-12-2011, 02:58 PM
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By "slop in the handle" I am guessing you mean free play in the throttle grip... There are adjustment nut on each cable going into the throttle housing that can solve this.

You want to have about 1/8 inch of free play in the grip. After you adjust it, put the bike on the center stand and start the bike.... Your rpms should not change as you move the front wheel lock to lock.

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post #3 of 5 (permalink) Old 09-12-2011, 03:37 PM Thread Starter
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Originally Posted by Knifemaker View Post
By "slop in the handle" I am guessing you mean free play in the throttle grip... There are adjustment nut on each cable going into the throttle housing that can solve this.

You want to have about 1/8 inch of free play in the grip. After you adjust it, put the bike on the center stand and start the bike.... Your rpms should not change as you move the front wheel lock to lock.
If you have more play than that in the grip how do you decide which cable to take it out of? Do you tighten the return or the advance cable?

-Robert
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post #4 of 5 (permalink) Old 09-12-2011, 03:44 PM
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Quote:
Originally Posted by Knifemaker View Post
By "slop in the handle" I am guessing you mean free play in the throttle grip... There are adjustment nut on each cable going into the throttle housing that can solve this.

You want to have about 1/8 inch of free play in the grip. After you adjust it, put the bike on the center stand and start the bike.... Your rpms should not change as you move the front wheel lock to lock.
KM is right about the 1/8 play. That is adjusted by the decelerator cable ( if sitting on the bike it is the closest cable to you). Loosen both lock nuts and back off the barrels. Tighten the decelerator cable until you have only an 1/8" play in the grip. Then hold the grip open so the butterfly( throttle control is against the stop)) is wide open. Hold it open and tighten the accelerator barrel until it's tight. Move the steering wheel to each side and center making sure the throttle snaps back closed.

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post #5 of 5 (permalink) Old 09-12-2011, 03:57 PM Thread Starter
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Originally Posted by JM2001 View Post
KM is right about the 1/8 play. That is adjusted by the decelerator cable ( if sitting on the bike it is the closest cable to you). Loosen both lock nuts and back off the barrels. Tighten the decelerator cable until you have only an 1/8" play in the grip. Then hold the grip open so the butterfly( throttle control is against the stop)) is wide open. Hold it open and tighten the accelerator barrel until it's tight. Move the steering wheel to each side and center making sure the throttle snaps back closed.
Excellent! Thanks!

-Robert
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