Bill
WOW, I hope you get a good answer to this. I've got this '95
Virago 750 that could benefit, Could you find out more?
Like what size drill and where/why he put the holes where he
did.
Then it might sound as great as my Sprite! (Compulsory
spridget comment)
George Procyshyn
----- Original Message -----
From "Bill Miller" <millerb at netusa1.net>
To: "Spridgets" <spridgets@autox.team.net>
Sent: Saturday, July 08, 2000 11:16 PM
Subject: Non LBC Motorcycle question.
> Since it's slow, I have a question about my motorcycle.
1983 KZ750. Bought
> it new and hardly ever ride it. Drove it to work Friday
and one of my
> younger co-workers said he'd like to do something to it to
make it perform a
> lot better. He said it would be louder, but sound better
and perform *much*
> better. He drill four strategically placed holes in each
of the back of the
> exhaust pipes. I know the size was important, because he
searched for the
> right sized drill bit for a half hour. WOW, talk about a
difference. Like
> a new bike. I bet it has twice the acceleration than it
did before. Ok why
> that much difference? I understand relieving back
pressure helps, but not
> that much. Also, it "cackles" now. Small little
"backfires" upon
> deceleration and quick revs. Kinda sounds nice, but I
don't understand how
> adding holes to the back of the exhaust system can cause
backfires.
>
> It got me thinking about drilling holes in the Sprite
mufflers......
>
> Bill
>
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