ebay part , is it any good

[S hampson]

I have the muzzy block plates, complete with gaskets. There on now. I blocked the airbox hole and carb vacuum pipes with plugs.

My bikes done 26000 and I think this must have been the 1st time the valves have been adjusted. 
The worst were num 1 & 4 exhausts 0.07 0.12 and 0.8 0.10 which is way out of spec.

All done now but to be honest I cant tell any difference in the engine running or sound.

Steve


-----Original Message-----
From: blackgpz at rochester.rr.com [mailto:blackgpz at rochester.rr.com] 
Sent: 29 April 2008 19:09
To: S hampson
Cc: gpzlist at micapeak.com
Subject: RE: ebay part , is it any good

Steve,
   Make real sure your "figure 8" gaskets under the valve cover are in REALLY good shape when installing these block-off plates, especially the small loop that goes around the hollow dowel pin. That hole leads to the exhaust port where the venturi effect of the exhaust gas creates low pressure. If the gasket fails, you'll be sucking oil into the exhaust system from beneath the valve cover, turning the GPZ into a very effective mosquito fogger. Best idea is to plug these 4 passages.
Leave the reeds in unless you plug them.

---- S hampson <shampson at beeb.net> wrote: 
> They allow you remove all the clean air gubbins. The plates replace the ones
> on top of the camshaft cover. I'm about to fit some today when I do the
> valve shims.
> 
> Steve
> 
> -----Original Message-----
> From: Bill Magitz [mailto:corbie at verizonmail.com] 
> Sent: 29 April 2008 07:07
> To: gpzlist at micapeak.com
> Subject: ebay part , is it any good
> 
> http://tinyurl.com/6dqn66
> 
> I'm not sure what it does or if it's worth installing , they have 10
> available
> 
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