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SIP Speedo( again)

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

SIP Speedo( again)

Postby martyn dwane » Wed Apr 06, 2022 6:25 pm

Ive tried looking thru the previous posts about the sip speedo ( 25 different threads !)
Just fitted one to a friends GP. In Adjustment 3 , Tyre circ & Transmission ratio, what is ment by Transmission Ratio ? Sips online guide to adjustment gives varios settings for the other brand of scooter ( vesp, vesp, No cant say it ) what t is it for Italy`s Finest ?
tia.






















0
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Re: SIP Speedo( again)

Postby Knowledge » Wed Apr 06, 2022 8:00 pm

It is not the transmission final drive, but relates to the ratio of the speedo drive.

There is a table at the back of the book which gives you the correct ratio to insert. From memory, it is 0.77.

You only need this if you are using the original speedo cable, as opposed to the digital inputs that are available as an extra.

Good luck.
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Re: SIP Speedo( again)

Postby martyn dwane » Wed Apr 06, 2022 8:05 pm

thanks for the info, never got a book with the speedo , ans yes using the original cable.
thanks.
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Re: SIP Speedo( again)

Postby Bilko » Thu Apr 07, 2022 9:39 am

martyn dwane wrote:thanks for the info, never got a book with the speedo , ans yes using the original cable.
thanks.


this might help...

manual link
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Re: SIP Speedo( again)

Postby martyn dwane » Thu Apr 07, 2022 2:10 pm

thanks Bilko, never got that with the speedo.
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Re: SIP Speedo( again)

Postby martyn dwane » Fri Apr 08, 2022 11:20 am

all sorted, thanks all
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