Done CBT and need some answers on my bike please? :)

bigzambian · Two Stroke Sniffer Joined: 20 Jan 2008 Karma :

Hey there guys, i did my CBT friday before last and havent been on here in a while becuase ive been out riding! woo. I love it. Fantastic feeling going along and round corners! Very Happy

massive grin on my face!
Right then, i bought myself a ns125rk! Awesome little bike, great runner apart form it doesnt seem to have any mid range grunt and doesnt like hills. Living in Bath bit of a problem unless i get a good run up! haha! Well i took ot carb yeserday and gave it a really good clean. Had a lovely ride out today, really long back to where i come from, (thornbury) i go to uni in bath hence living in bath.
Well bike was really good today but when i had taen out the carb and cleaned it me and my housemate who is also a bit of a bike nut with a ducati monster 600. We saw this bolt whihc we presumed is some kind of exhaust valve jobber? Any ideas guys. We loosened it off and it makes the bike loose a lot f power and a lot louder, obviously, as it is another hole for the gases to escape.
So what does this do then. I shall atempt to descirbe it. It has a bolt screw and then its diameter decreases a lot, it is smooth and lebgthens out and then is fattens out and has a flat end wide as the bolt thread end. has anyone got an idea what it is and what it does? can i adjust it anyway to get a bit more bottom end torque?
thanks very much guys
Seb Smile

twindecks · Derestricted Danger Joined: 26 Jul 2007 Karma :

get a dt125 they look like crossers look great when you are going d0wn teh street and youll get people asking you fior races because it looks fast and is fsat will pull 100+ if desresticed

..... · Quote Me Happy Joined: 15 Jan 2005 Karma :

bigzambian · Two Stroke Sniffer Joined: 20 Jan 2008 Karma :

ok not really the sort of advice I was looking for. Im happy with my bike and it is quick and handles great. I just wanted to know a bit more about it.
Ok so what is a red power band?

Ghost · Could Be A Chat Bot Joined: 28 Jun 2007 Karma :

bigzambian · Two Stroke Sniffer Joined: 20 Jan 2008 Karma :

ok so ive tried to draw it in paint now? any ideas anyone? should it have maybe a paddle on it to adjust exhuast flow?

bigzambian · Two Stroke Sniffer Joined: 20 Jan 2008 Karma :

here is my attempt at drawing in paint! didnt attach to last post!
any ideas what it is guys! and the bike has a micron exhuast on it/ i believe this is not standard. does it make a big difference?

bigzambian · Two Stroke Sniffer Joined: 20 Jan 2008 Karma :

third attempt

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

NexusDragon · Scooby Slapper Joined: 23 Oct 2007 Karma :

Rowey · World Chat Champion Joined: 07 Oct 2007 Karma :

Is that an air screw? a digital photo would probably be better, and where about is it on the carb?
____________________
ZX6R C6F.
Never argue with an idiot. They'll only bring you down to their level, and beat you with experience.

Rowey · World Chat Champion Joined: 07 Oct 2007 Karma :

Bofh5 · World Chat Champion Joined: 25 Oct 2007 Karma :

its where a powervalve would go.
the ns125 (i have one) is only really restricted in the exhaust downpipe. see the thread below with pic of restrictor removed.

https://www.bikechatforums.com/viewtopic.php?p=1620719&highlight=#1620719

Remove the restrictor and you will notice a hell of a difference Smile

Also i modified my air box to allow more in which solved my no power at low revs problem.

Cheers
____________________
(L)users...Disk space is to good for them.

Bikes: Honda 50 / CB125-TDC / 93 CBR600 F2 (Stolen & Trashed) / 2001 SP-1 (Sold) / 95 CBR600 F3