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slow response throttle

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

slow response throttle

Postby eyeguy » Sun Sep 25, 2016 5:08 pm

The brake cable inside the headset puts enough friction on the throttle rod to make it stick. when I push the cable off the rod it snaps back. Any suggestions would help.

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Re: slow response throttle

Postby coaster » Sun Sep 25, 2016 6:11 pm

A photo would help but are the stiff wire cable guides fitted?
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Re: slow response throttle

Postby eyeguy » Sun Sep 25, 2016 6:32 pm

They are on
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Re: slow response throttle

Postby roli150lam » Mon Sep 26, 2016 7:47 am

I can't tell if you have,plenty of grease where the cable and rod touch will help.
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Re: slow response throttle

Postby HxPaul » Mon Sep 26, 2016 9:16 am

If the headset top is well clear of the cable and the front brake cable guide is facing down,try turning it the other way up so that it lifts the cable away from the throttle rod.
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Re: slow response throttle

Postby coaster » Mon Sep 26, 2016 9:36 am

HxPaul wrote:If the headset top is well clear of the cable and the front brake cable guide is facing down,try turning it the other way up so that it lifts the cable away from the throttle rod.


As above or just bend/adjust as necessary
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Re: slow response throttle

Postby eyeguy » Mon Sep 26, 2016 12:37 pm

Thanks for all the responses. I will give it a go.
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Re: slow response throttle

Postby JETEX » Wed Sep 28, 2016 5:31 pm

The Spanish machines have a spring that slides onto the throttle rod. The throttle snaps shut even when you don't have a cable attached. You have to drill a small hole in the rod to accept one end of the spring. Sorry, I'm no good at posting pictures on here, but I got my springs from Scooter Restorations.
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