Tue Jun 17 08:52:43 1997 - Message No. 1055
From: niklas@hscopy.se (HS COPY AB)

Subject: Re: Synchronization? and 50 Hp(XRV-LIST)


Sture Q wrote

>Hej The List,
>My knowledge about synchronization of carburetors (especially on my AT) is
>close to nil. What is done during a synchronization? Why? How? I have a
>vague idea about vacuum clocks but how and what that is adjusted - no idea
>at all.
>Would appreciate some answers. Must be in the line with the policy of a
>technical list.
>MVH Sture Q.
>
Hi All! and Sture...

Synchronization is the art of making the carburettors give equal amount of
air to the cylinders, The metalplates (spjällen framför trottlarna) that
you control with your right hand is adjusted so that when you twist your
hand they open at the same time, this is done with vacuum clocks attatched
to the inlet (insugningsrör) and adjusting screws on the gaslinkage
(spjällänkaget). There is a big diferrence in riding a bike with or without
synchronizated carburettors.

A word bout 50 Hp, when the air intake is reduced trough smaller inlet,
should it not be smaller main jets in the carburettors, otherwise the
fuelmixture on full throttle would be much too fat?


Mvh Niklas Lundin
President of SATAN
(Swedish Africa Twin Associtation in the North) :-))))




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