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Moto gp style exhaust on a NSR 125.

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stressed_myke
Two Stroke Sniffer



Joined: 08 Oct 2006
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PostPosted: 19:19 - 01 Mar 2008    Post subject: Moto gp style exhaust on a NSR 125. Reply with quote
Hi all,

I had a busy day in the garage and knocked up this moto gp style exhaust for my NSR 125.

My son done the tig welding, and I cut and shaped all the stainless out of old scrap metal we had in the garage.

Myke.
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KLR600
World Chat Champion



Joined: 15 Mar 2005
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PostPosted: 19:37 - 01 Mar 2008    Post subject: Reply with quote
That looks exceptional for something you just "knocked up"! Are there no issues with the whole 2 stroke/exhaust stuff?
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binge
Emo Kiddy



Joined: 02 Jul 2004
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PostPosted: 20:25 - 01 Mar 2008    Post subject: Reply with quote
All the work is done in the expansion chamber on the 2 strokes.

And any chance of a sound clip dude?

Looks damn cool!
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stressed_myke
Two Stroke Sniffer



Joined: 08 Oct 2006
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PostPosted: 20:30 - 01 Mar 2008    Post subject: Reply with quote
binge wrote:
All the work is done in the expansion chamber on the 2 strokes.

And any chance of a sound clip dude?

Looks damn cool!


When I can figure out how to do it, I'll ask one of my kids how to do it, and I'll post it tomorrow. ( It's a bit late to be making noise).

It does sound so much better than the arrow can that was on it before.

It is a deeper note, not ''tinny'' like some 2 strokes.
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chris1-4-7
Renault 5 Driver



Joined: 21 Dec 2006
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PostPosted: 21:16 - 01 Mar 2008    Post subject: Reply with quote
Looks top that does mate! Love one on my NSR..

I doubt it'd make any difference to the 2 stroke sound wave jargon as the modified section is after the "cones" on the expansion chamber?
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Joeb46
Traffic Copper



Joined: 04 Nov 2007
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PostPosted: 21:25 - 01 Mar 2008    Post subject: Reply with quote
that looks really really good.
apart from the guard on it, but i spose its there for a reason
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stressed_myke
Two Stroke Sniffer



Joined: 08 Oct 2006
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PostPosted: 21:52 - 01 Mar 2008    Post subject: Reply with quote
Joeb46 wrote:
that looks really really good.
apart from the guard on it, but i spose its there for a reason


I was unsure about the guard myself, but the pipe looked tiny coming out from the expansion chamber, so I just tacked 2 nuts on to the exhaust to get a look at it.

The idea was just bulk it out a bit.

can soon grind them off!!! So no real sweat.
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mr jamez
World Chat Champion



Joined: 04 Aug 2003
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PostPosted: 12:32 - 02 Mar 2008    Post subject: Reply with quote
KLR600 wrote:
That looks exceptional for something you just "knocked up"!


Thumbs Up

A quick plug chop after giving it a good thrashing will show up any problems with the mixture, I'm pretty sure you need to re-jet after fitting an arrow exhaust but then this bike already had one.

I'd be interested to hear what it sounds like.
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ncrn
World Chat Champion



Joined: 24 May 2006
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PostPosted: 14:07 - 02 Mar 2008    Post subject: Reply with quote
That looks really cool, have you taken it for a proper test trash yet?
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palmer
Fiddled Kiddy



Joined: 21 Jul 2004
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PostPosted: 19:11 - 02 Mar 2008    Post subject: Reply with quote
not sure...


looks too long/thin
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binge
Emo Kiddy



Joined: 02 Jul 2004
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PostPosted: 19:42 - 02 Mar 2008    Post subject: Reply with quote
palmer wrote:
not sure...


looks too long/thin


Atleast his bike doesnt look like this. Wink

https://w2.bikepics.com/pics/2006%5C12%5C31%5Cbikepics-759686-full.jpg
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palmer
Fiddled Kiddy



Joined: 21 Jul 2004
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PostPosted: 20:13 - 02 Mar 2008    Post subject: Reply with quote
properly done.

not bothered, got 25k burning a hole in my wallet now.
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neatbik
World Chat Champion



Joined: 27 Jun 2007
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PostPosted: 21:28 - 02 Mar 2008    Post subject: Reply with quote
Blimey, thats lovely mate! Dont suppose you fancy making me one do you? Laughing
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st3v3
Super Spammer



Joined: 16 Oct 2006
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PostPosted: 21:35 - 02 Mar 2008    Post subject: Reply with quote
Looks like it's missing the end can.

And it's alright for some. Wink
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binge
Emo Kiddy



Joined: 02 Jul 2004
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PostPosted: 22:02 - 02 Mar 2008    Post subject: Reply with quote
palmer wrote:
got 25k burning a hole in my wallet now.



I probably would too if my rents were rich.

anyway, love love dude.
Karma



And we want a sound clip of the nsr! Thumbs Up
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