Need 91 AC muffler

[Troy Newman]

Newer version is all it really is....YS upgrades parts all the time...in
many many circumstances the parts are upward and downward compatible....

Example the DZ piston will fit in any 140. the sleeve is the same in any
140.....the needlevalve assemble in any of the motors is
interchangeable.....Yep those old 120's with the large diameter
needles...Change the whole assembly out to the new style and all works
great. Same goes for all of the 120's  Big valves, AC's, NC's, SC's and the
FZ's they all have parts that can interchange. Now some things are
different, but even a crank or a carb will fit and work. Some motors like
the AC's and the SC's had a Crank Ring seal. The Big valves and the FZ's
didn't.....So if you change cranks sometimes you might end up buying more or
less parts to make it work. Also the performance between the different
versions changes quite a bit. This is a result of some of these little parts
like the crank shaft rings.


TN
----- Original Message ----- 
From: "Larry Caldwell" <larryc at bscn.com>
To: <discussion at nsrca.org>
Sent: Sunday, September 28, 2003 10:23 PM
Subject: Re: Need 91 AC muffler


> Thanks Troy.  They show a different style for the 91FZ but that won't be
> a problem.
>
> Larry
>
>
> Troy Newman wrote:
>
> > Same muffler as the 91FZ and the 110FZ
> >
> > 90% of the 91 parts are the same...and many of the 110 parts are the
same as
> > the 91's
> >
> > TN
> > ----- Original Message ----- 
> > From: "Larry Caldwell" <larryc at bscn.com>
> > To: <discussion at nsrca.org>
> > Sent: Sunday, September 28, 2003 9:30 PM
> > Subject: Need 91 AC muffler
> >
> >
> >
> >>Does anyone happen to have a stock muffler for a YS 91 AC
> >>that they would be willing to sell?  Central Hobbies shows it as
> >>not available.
> >>
> >>Larry Caldwell
> >>
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> >>
> >
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> > .
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>
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