Grant demystifies the black art of Tire Changing and Repair to help you STAY on the road! "Very informative and practical." See the trailer 
Cotton or synth sweat-wicking t-shirts with the Horizons Unlimited logo on the front and a snappy slogan (changing every year) on the back.
Show your route on your panniers. Great conversation starter when you meet people on the road!
Motorcycle and travel books to inspire and inform you!
ll 5 DVDs with a custom printed slip case. "The series is 'free' because the tips and advice will save much more than you spend on buying the DVD's."
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| Kawasaki Kawasaki Tech Forum - For Questions specific and of interest to Kawasaki riders only. Questions comparing which bike is best etc go in the "Which Bike" forum. |
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#1
18 Sep 2010
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Klx250 Help To Derestrict Please
Hi all
I have just recently returned to England from Germany on my KLX250,fuel injected model, 2009 reg.It was a great trip and the bike did fine however it will not rev out above 7-8000 rpm so it seems a little restricted.Aftermarket parts seem expensive such as a power commander and performance exhausts, does anyone know how to improve top end speed without spending lots of cash... 
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#2
7 Nov 2010
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Hi I dont have an EFI model (2009 AUS model), BUT I can tell you all the things kawa have done to restrict it..
1. Check the throttle cable where it connects to your throttle bodies, it's likely there is a screw that actually stops the butterfly from opening fully. Turn throttle and see if anything stops it premature (they did this to carb models). 2. Exhaust is very restrictive... I got powerbomb headers as well (they are bigger diameter and lighter) 3. Now check airbox inlet - chances are its a tiny inlet into the airbox. Many klx owners replace the stock snorkle with a kdx200 one, or just pull it out and cut a larger opening. This is mostly responsible for poor performance. 4. Remove backfire screen from behind airfilter 5. Last thing is fuelling (carb was easy - it needed a rejet), but EFI I have heard has issues becuase it is not very easily remapped. I could be wrong, google it...
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#3
7 Nov 2010
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Hi Thanks for the advice,i have gained more midrange power by increased
rpm by unpluging the speedo cable for a short ride this has cleared some of the restrictions in the ECU.The speedo cable/sensor is then reconnected but the ECU unit will retain the new map and more midrange power. cheers
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#4
22 Dec 2010
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klx 250 derestricting
HI
i was a little dissapointed with my klx too. After a few simple mods it will now show 85mph on speedo and revs quite freely. 1 KDX220 air filter snorkle (£20) 2 13t front sprocket (£15) 3 simple ecu mod dead easy to do cost nothing to do bike has done 3500 miles since mods and have had no problems. Any info needed please contact me Regards Simon.
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#5
11 Jan 2012
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Quote:
I got an KLX250 TOO, what do you mean with " by unpluging the speedo cable for a short ride this has cleared some of the restrictions in the ECU" what cable do you mean?
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