--- In hondahelixdiscussion@yahoogroups.com, "Pete, in Tacoma WA"
<peder_y2k@...> wrote:
>
> On my engine, I use a rolled and fitted piece of aluminum foil. Seems to last
a long time, and the kitchen drawer has plenty of back-up stock.
>  
> -Pete, in Tacoma WA
>
> --- On Tue, 7/7/09, limpwell <limpwell@...> wrote:
>
>
> From: limpwell <limpwell@...>
> Subject: [Honda Helix Discussion] Re: muffler gasket
> To: hondahelixdiscussion@yahoogroups.com
> Date: Tuesday, July 7, 2009, 12:49 PM
>
Hi
Just out of curiosity I cut an aluminum can into 1-1/8" strips, It took 8 strips
wrapped onto a 1-1/16" pipe to make up the proper diameter.
I then taped it to keep it together.
It seems like it would work good. The next time I need a gasket I will try it. I
will then let you know the results.
>
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> one of my old Helixs came with a home made exhaust gasket which was probably a
piece of copper tubing. It was semi-welded to the exhaust manifold and was a
real bear to remove. The stock gasket, despite high heat, will always crumble
away when it's time to remove it.
>
> --- In hondahelixdiscussio n@yahoogroups. com, Rick Russell <rickrussell@ ...>
wrote:
> >
> > There's an exhaust manifold that connects the engine to the muffler
> > (part number 4 on the linked diagram). Honda sells a semi-soft,
> > fire-resistant gasket to cushion and seal the connection between the
> > muffler and the manifold. It's part number 8 on this diagram:
> >
> > http://www.bikeband it.com/houseofmo torcycles/ honda-motorcycle
-cn250-helix- 2004-muffler/ o/m2171sch307879
> >
> > Since the gasket is soft and compresses over time, it's difficult to
> > re-use it (although it's possible if you're very careful with it).
> > Consequently you have to replace it almost every time you take the
> > exhaust off to service the rear wheel.
> >
> > However, any semi-soft fire resistant material will serve in its place.
> >
> > There's a second gasket, in the shape of a ring, that seals the
> > mainfold to the engine. It's part number 1 in the above diagram. I
> > don't know of a good replacement material for it, although every time
> > I've serviced the rear wheel, that gasket has been completely
> > destroyed, with no trace remaining. I actually bought a gasket last
> > time I worked on the rear wheel, and it was gone about 4000 miles
> > later.
> >
> > I suspect the main function of the gaskets, aside from sealing the
> > exhaust path, is to prevent a hard hit on the muffler from breaking
> > the exhaust manifold.
> >
> > RR
> >
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