Exhaust Fell Off

Chriss · World Chat Champion Joined: 07 May 2005 Karma :

The exhaust fell off my GPZ, and now it's a tad loud, too add to the fun, the MOT is due next month.

Anyone know, if I can put something up the exhaust, make it alot quieter and with a bit of luck, pass the MOT, or should I save myself time and hassle, and get a new exhaust system for it?

Any other ideas? Smile

Many thanks in advance. Smile

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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

Marci · Brolly Dolly Joined: 01 Sep 2005 Karma :

You won't pass MOT with a duff exhaust fella... regardless of noise. For a start, a 2T with a duff exhaust will have duff backpressure which'll result in your exhaust gases failing emissions test, which some MOT Testers do and some don't...

Just fix it properly with the correct pipe for the bike.
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Chriss · World Chat Champion Joined: 07 May 2005 Karma :

Well, I've kinda crushed the end of the exhaust, and it's alot quieter, was thinking of putting something up there and somehow stop it from coming out. Not sure what though.

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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

edd · Nearly there... Joined: 06 Jul 2005 Karma :

Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

Bikes are not checked on emissions and all GPZ's are 4strokes. Wink

As for something to quieten it down, use reverse psychology . . . . Shove some earplugs up it. Thumbs Up

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slj23 · Nitrous Nuisance Joined: 10 Feb 2007 Karma :

wouldnt wire wool do as a bodge.
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Jamie S · World Chat Champion Joined: 28 Dec 2006 Karma :

What about Nath's beer can trick ?

matmanmarsh · Two Stroke Sniffer Joined: 01 May 2007 Karma :

you need to re-attach the exhaust properly... if you do it will get rid of the loud noise

if it isn't on properly you won't get maximum pressure from it and will notice a drop in power

You probably shouldn't be shoving things in there...
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Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

Marci · Brolly Dolly Joined: 01 Sep 2005 Karma :

Sorry - my mind was thinking Derby GPR Embarassed

I've had emissions tests done on the bike before... altho casting my mind back, I don't think it was at MOT time... heyho!
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FAB-Racing MiniMotoSidecars - Back with a vengeance - F1 Class 2011...
CBR170 engine, custom chassis - www.minimotoscene.co.uk

Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

thegubner · World Chat Champion Joined: 25 Mar 2007 Karma :

I'm sure i heard something about wire wool as well, works pretty good from what i remember.

Grubby · Spanner Monkey Joined: 15 Aug 2004 Karma :

V.W. mufflers? Laughing

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DrJustice · Scooby Slapper Joined: 04 Dec 2005 Karma :

Dazbo666 · World Chat Champion Joined: 06 Jun 2004 Karma :

Just as a coincidence I was working on the bike in my garage till 11pm last night... replacing the downpipes on the GPZ.
The crossover pipe had pretty much rusted thru, and my previous botch job at repairing it was still allowing it to sound like farm machinery.

Just for the record I ordered the pipes Sunday night, online from LM Spares in Hereford - and they arrived on Tuesday morning Thumbs Up

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1st bike (Sept'06 - May'10) : 1991 GPZ500S / Current bike (since Nov 2009) : 2003 Suzuki Bandit 600N
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sickpup · Old Timer Joined: 21 Apr 2004 Karma :

Chriss · World Chat Champion Joined: 07 May 2005 Karma :

I want to go jumping into this trap both feet first, with my understanding, which is back pressure basically helps torque, and free flow systems help horse power.

I'll resist and not say anything though, as I'll probably make myself look silly.
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

Ted · World Chat Champion Joined: 26 Mar 2006 Karma :

Jamie S · World Chat Champion Joined: 28 Dec 2006 Karma :

Just found the thread :
HERE
https://homepage.ntlworld.com/steven.coy/images/exhaust-bodge.JPG

djr · World Chat Champion Joined: 09 Nov 2003 Karma :

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

What sort of exhaust (original, motad?) and where did it break?

They can sometimes be welded you know, the end was welded back onto my motad three times. Maybe a bit late if you've crushed the end though.
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Chriss · World Chat Champion Joined: 07 May 2005 Karma :

Motad, and it broke just after the 2-1 bit. Unfortunately, I never found the bit that fell off, which was from the brake backwards, which is why I looked as destructive repair. Wink

Just got a new one from ebay though, for a reasonable amount, so swapping it over. Mr. Green

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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.