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2 Stroke Exhausts - 50cc to 125cc

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Hutchysrs50
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Joined: 15 Sep 2008
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PostPosted: 16:01 - 15 Jun 2009    Post subject: 2 Stroke Exhausts - 50cc to 125cc Reply with quote
Sooo....

iv got a 2008 gilera SC 125, Same as the derbi gpr 125.

i was looking at getting a new exhaust for it, but cant seem to find any, and the ones i can find are "side sweep" or look the same as the 50cc exhausts.

from what i can make out, the underseat exhausts on the 50cc are the same as the 125cc

i thought they would be abit bigger, is this always the case?

the 125 is pretty much exactly the same bike as the 50 but with a 125 engine.

any information will be great, Thanks. Thumbs Up
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Hutchysrs50
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Joined: 15 Sep 2008
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PostPosted: 16:29 - 15 Jun 2009    Post subject: Re: 2 Stroke Exhausts - 50cc to 125cc Reply with quote
Quote:
Go become an hero, kthxbai.



?????
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 18:25 - 15 Jun 2009    Post subject: Re: 2 Stroke Exhausts - 50cc to 125cc Reply with quote
Hutchysrs50 wrote:
Sooo....

iv got a 2008 gilera SC 125, Same as the derbi gpr 125.

i was looking at getting a new exhaust for it, but cant seem to find any, and the ones i can find are "side sweep" or look the same as the 50cc exhausts.

from what i can make out, the underseat exhausts on the 50cc are the same as the 125cc

i thought they would be abit bigger, is this always the case?

the 125 is pretty much exactly the same bike as the 50 but with a 125 engine.

any information will be great, Thanks. Thumbs Up
I would be extraordinarily surprised if an exhaust from a 50cc bike worked on a 125. Exhaust design is critical on two strokes, and you'll ruin the performance if you put the wrong one on there.
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F; Cheap project: CBR900RR FireBlade
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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Hutchysrs50
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Joined: 15 Sep 2008
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PostPosted: 18:27 - 15 Jun 2009    Post subject: Re: 2 Stroke Exhausts - 50cc to 125cc Reply with quote
MarJay wrote:
I would be extraordinarily surprised if an exhaust from a 50cc bike worked on a 125. Exhaust design is critical on two strokes, and you'll ruin the performance if you put the wrong one on there.


Ok, Thanks for your help, i might end up keeping the standard one and just de-restricting it. Karma
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tutton
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Joined: 04 Jan 2008
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PostPosted: 19:47 - 15 Jun 2009    Post subject: Reply with quote
I thought it was quite obvious from a tuning genious as yourself, that youve got a bigger bore size, and bigger carb size, so youve got more air/fuel mix to blow up, which will intern need a bigger exhaust pipe as its producing more exhaust gas, which is vital on a 2smoke as running without pressure makes em feel gutless, probably dosnt help the engine much either.
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Hutchysrs50
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Joined: 15 Sep 2008
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PostPosted: 20:41 - 15 Jun 2009    Post subject: Reply with quote
tutton wrote:
I thought it was quite obvious from a tuning genious as yourself, that youve got a bigger bore size, and bigger carb size, so youve got more air/fuel mix to blow up, which will intern need a bigger exhaust pipe as its producing more exhaust gas, which is vital on a 2smoke as running without pressure makes em feel gutless, probably dosnt help the engine much either.


well if im not 100% sure about somthings, might aswell ask some1 who does.

iv seen the rs 50 and rs 125 exhauts are differnt, but the underseat ones look the same, so i wanted to comfirm it.
Thanks.
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Mudskipper
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Joined: 22 Aug 2006
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PostPosted: 20:46 - 15 Jun 2009    Post subject: Reply with quote
tutton wrote:
I thought it was quite obvious from a tuning genious as yourself


Laughing

What's the word, erm, OWNED? Laughing
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tutton
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Joined: 04 Jan 2008
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PostPosted: 20:49 - 15 Jun 2009    Post subject: Reply with quote
Wink
i aim to please
(i dont care if you bat that way, ill still find a way) Laughing
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Hutchysrs50
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Joined: 15 Sep 2008
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PostPosted: 23:02 - 15 Jun 2009    Post subject: Reply with quote
Mudskipper wrote:
tutton wrote:
I thought it was quite obvious from a tuning genious as yourself


Laughing

What's the word, erm, OWNED? Laughing


some may even say.. Pwned?
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