Keeyway Superlight

Buster66 · L Plate Warrior Joined: 26 Apr 2017 Karma :

Good Afternoon hope i can get some help?
Recently put some hole in my Keeway 125 superlight exhaust and have now lost back pressure so the bike takes a long time to start. i have heard that i must alter the Air/fuel flow to get the right combustion mix, But how do i do this and does any have any idea's
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Buster

Baffler186 · World Chat Champion Joined: 31 May 2013 Karma :

Repair the hole or buy a new exhaust.
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Current: 2009 SV650 S, 1990 Kawasaki GT550
Previous: 2009 CBF125, 1998 GSF600, 2004 FZ6 Fazer, 1978 CB400a Hondamatic

Rogerborg · nimbA Joined: 26 Oct 2010 Karma :

This again, eh?

Yes, put it back to stock.

You might get lucky by adjusting the idle mixture. If you show us a picture of both sides of your carb (your carb, not a generic picture of what might be on someone else's bike) we might be able to highlight the idle screw.

In a pinch, hold your hand over the back of the exhaust while you start it. Yes, this is serious advice, I made the same mistake and this got me going until I'd put it back to stock.

And: put it back to stock.
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Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike

redeem ouzzer · World Chat Champion Joined: 06 Oct 2015 Karma :

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Be a REAL MAN!

kgm · World Chat Champion Joined: 04 Jun 2015 Karma :

It's really not worth the effort of carb tuning just to make the exhaust a bit louder. If you don't know what you're doing regarding carb tuning then you'll probably just end up making things worse. I concur - fix the hole and put it back to stock.

Soulfly71 · L Plate Warrior Joined: 20 Apr 2017 Karma :

I had done the same thing regarding the holes in the exhuast on my keeway too.... ultimately, it made it harder to start in the mornings....lunchtimes.....and generally any other time....
Lucky for me I found some shiny bolts that fitted AND tightened up to seal the holes, that and a smudge of gun gum to heal seal the holes proper.
Shouldn't need to touch the carbs if you already haven't fettled with them.
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Keeway superlight 125.

Rogerborg · nimbA Joined: 26 Oct 2010 Karma :

Pro-tip: don't drill a bigger hole than you can pop-rivet.
____________________
Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike