SOHC.co.uk Forums > CB350/400

Carburettor throttle return spring

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taysidedragon:
I find the throttle quite heavy on longer rides. (Arthritis in my hand doesn't help 😣)

The return spring seems a lot stronger than it needs to be, has anybody tried a slightly lighter spring to lighten the throttle feel. Obviously it still needs to be strong enough to safely close the throttle.

Athame57:
I wonder if cruise control is an option, are these kits universal?

TrickyMicky:
I had often wondered about this very same problem, ageing joints got me thinking that we possibly do not need such a strong spring as it is fitted with a closing cable as well.  Then just under a year ago, with the tank and seat removed, I was performing the ancient ritual of "If it moves, oil it" on everything within reach. I was checking on throttle action when it dawned on me that the cables were original, 44 BLEEDIN' YEARS OLD!!   The piggy bank was duly sacrificed, and a new set was fitted,  Oh! My right wrist hasn't had such pleasure in many a year.  The stupid part being that I replace the clutch cable approx. every two years, and yet the throttle cable is subject to the same weather elements and engine heat, yet requires much finer operation. Could be worth trying. Stay Safe. Mike.

TrickyMicky:

--- Quote from: Athame57 on May 18, 2021, 10:42:06 AM ---I wonder if cruise control is an option, are these kits universal?

--- End quote ---
Cruise control is only of any real use on a motorway. Who wants to take a solo bike on a motorway?

Nurse Julie:
I've fitted a less tight throttle spring on my 550/4 Mongrel because I found it a bit hard work after a few hours riding, it works a treat. I had to retain a bit of tension though as I don't have a return throttle cable fitted to this bike but this snaps back just perfect.

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