SOHC.co.uk Forums > CB750

throttle not returning

(1/5) > >>

El__burro:
As per subject line, my throttle is not returning freely.
The twist grip stays in the open position unless i twist it back.
Not sure if the problem is at the handlebar or carb mounting.
What's the first step you recommend.

Thanks
el__burro

K2-K6:
If you take too much slack out of the pull throttle cable then you get a conflict with the return one and the resulting friction makes operation really stiff.

Big coil spring on main lift spindle on carb assembly can wear through at one end and disconnect.

As a base line setup, if you detach the return cable at the carbs then see how it operates it will tell you if you need to go further..... Still too stiff? Also take off the pull cable then the main lift spindle should move easily with your fingers and snap shut easily,  if not you are probably looking at the lubrication and cleanliness of the bearings supporting that shaft.

Bryanj:
Cable routing makes a big difference Also DO NOT lubricate the internals of the original cables as the inner is rubber coated and the outer is nylon lined and oil tends to make them swell into each other and bind

Chris400F:
Are you still using the Doherty twist grip with single cable or did you change it?

Aly-b:
When I bought my bike, (cb550) it was fitted with new aftermarket cables and routed wrongly which made the action very stiff.
After removing the cables,oiling them and rerouting as per the manual it made a world of difference.
Now have a smooth throttle which snaps back easily.
Best of luck with yours.

Navigation

[0] Message Index

[#] Next page