dtr 125 speed. i have serched. de restrict?

jayluvmito · Crazy Courier Joined: 15 May 2004 Karma :

i just bought a 1999/2000 dtr125. it has all the 2000 restrictions. ive removed the restrictor for 60mph from the back of the clocks, and turned the p/v 180 deg. but i feel no change. i hit about 55mph on the flat. i know i have a chmaber restrition but should it affect it this much? and the cdi mod too.

thanks, jay

knockout_bar · Scooby Slapper Joined: 06 Jul 2005 Karma :

Did you take the restricters out of the downpipe?

The top speed wont increase just from derestricting it, you'll need to play around with the sprockets.

Good luck Thumbs Up

!
____________________
125 trail bike, custom bars, handguards etc. - ?500.

"egg flied lice" - R6jonny (inspired by McGee) Thumbs Up

jayluvmito · Crazy Courier Joined: 15 May 2004 Karma :

knockout_bar · Scooby Slapper Joined: 06 Jul 2005 Karma :

With the standard gearing you'd be looking at about 65/70 mph tops.

The exhaust restriction will be most effective restriction, get it out and you WILL notice the difference Twisted Evil

.
____________________
125 trail bike, custom bars, handguards etc. - ?500.

"egg flied lice" - R6jonny (inspired by McGee) Thumbs Up

jayluvmito · Crazy Courier Joined: 15 May 2004 Karma :

culpan · Renault 5 Driver Joined: 10 Jun 2004 Karma :

Yeah it should, mine does a indicated 75 and that is without messing with power valve and fuse at the back of the rev thingy. I'm not sure what up to be honest your sure the carbs are set right your revving it fairly high and in a suitable gear ?? All I can suggest.

killa · Won't Shut Up Joined: 18 Oct 2004 Karma :

From memory the DTR comes out of the shop with the power valve set to, half open.
If you get friendly with a mechanic (no gay love involved) you could get it set to open fully, after which you can go to www.dirtbikestore.com or .co.uk I forget and talk to them.
They have everything you need for the DTR to up rate the jets, exhaust system and sprockets.

Good luck Thumbs Up

____________________
Cleverly disguised as a responsible adult.
Bike:- Yamaha TRX850 | Killas Biking History | Killas Gaming History | Killas autmotive history

Dischord · World Chat Champion Joined: 08 May 2005 Karma :

The DT is NEARLY UNUSABLE WITH THE POWERVALVE SET FULLY OPEN, YOU HAVE A BETTER TOP SPEED WITH IT SET 1/2 - 3/4 WAY OPEN. Have you checked compression? does it start easily?
____________________
2012 KTM EXC 250

Check out my vids - https://www.youtube.com/user/KTMSparky/videos

killa · Won't Shut Up Joined: 18 Oct 2004 Karma :

Woah ok, sorry dad.

Watch the caps lock yeah…
____________________
Cleverly disguised as a responsible adult.
Bike:- Yamaha TRX850 | Killas Biking History | Killas Gaming History | Killas autmotive history