Question about 2002 Honda CR 250 R

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I have a 1991 Honda CR250 starts and runs good on the low end but wont kick into the powerband seems like its starving for fuel. Sputters and bogs but tries. Possible problems?

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Most likely main jets clogged.

Posted on Jun 30, 2009

  • cchatterson Jun 30, 2009

    most likely main jets clogged.

  • cchatterson Jun 30, 2009

    most likely main jets clogged.

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I have kx 85 an powband doesn't kick in I put new govner in an full rebuild can u help


Hi, Frankee and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
kx85 2003 won rev out
03 KX 85 Powerband Problem Kawasaki 2 Stroke
http://www.kawasakimotorcycle.org/forum/kawasaki-motocross-offroad/148673-03-kx85-powerband-wont-kick.html
bike bogs when it hits the powerband Kawasaki 2 Stroke
Kawasaki KX85 Service Manual

Sep 03, 2016 | Motorcycles

1 Answer

Kdx 125 sputters just before the "powerband" kicks in


I used to ride enduro in the 1980s on a KLX 250 :>)

Sounds like you have two issues.

Your spluttering and jolting sounds like a defective Reed Valve, but could also be carburetor float level problems. If it is runs fine when on the power band, then the carb is fine. For the cost, I would replace the reed valve.

http://www.athenaparts.com/eng/sections/view/128/carbon-fiber-reeds-for-intake-reed-valve/page:6

Regarding the electrics, this could be a few things. Check all the earthing points, especially the one on the negative side of the battery. Take the wire off where it grounds to the frame, clean and apply Vaseline which stops corrosion and is electrically conductive. Check all the connectors that you can find. Pull them and make sure they are clean and sealed. Vaseline is good on these too. The specs below confirms it is rectified and regulated. Check the output voltage of the alternator with a test meter. Check the battery is as spec Battery 12v 3Ah and get it stress tested, or just replace it, if it older than 3 or 4 years.

You really need a good workshop manual. I had them for all my scooters and bikes.

Manual
http://www.servicerepairmanualonline.com/859/kawasaki-kdx125-kdx-125sr-125-manual/

Spare Parts List
http://www.cmsnl.com/kawasaki-kdx125-a3-kdx125sr-1992-europe-nr_model11759/partslist/

Specs
http://www.motorbikespecs.net/index.dyn?flag=2&model_id=1914354&make=Kawasaki

Voltage Main Fuse 20A
Ignition CDI electronic advance
Charging System 3 phase AC, 27V@4000rpm. Rectified 14.5@4000rpm
Spark Plugs NGK BR8ES
Bulb-Headlight Battery 12v 3Ah
Ignition Timing 10.5BTDC@1300rpm - 26.5BTDC@3000rpm

Engine Type Liquid Cooled 2 Stroke Reed Valve Straight Single Bore x Stroke 56 x 50.6 mm Compression Ratio
Displacement 124mL
Lubrication System Oil injection
Starting kickstart
Carburation Keihin/PE28
Carburation Main Jet 115
Carburation Idle Jet 48
Pilot Screw Setting 1.5
Red line RPM 10,500rpm


kawasaki KDX 125 Google Search

Apr 02, 2017 | kawasaki KDX 125 Motorcycles

1 Answer

Hi i have a cr250 what wont start. i have checked electrics. it has a spark. just changed cdi unit. petrol flowing. any ideas?


Compression good? Timing of the spark is barely considered. That leaves fuel/air mixture. Too rich and she won't run, to lean and you get the same effect except the plug stays dry.

Jun 29, 2012 | Honda Cr250 1992 Cr 250 92 Water Pump...

1 Answer

1991 honda accord wont start


check the main fuel relay. it should click when the PGM-FI light does. if you don't hear the click it is not suppling power to several systems that make the car start and run.

Jun 19, 2012 | 1991 Honda Accord

1 Answer

1991 Honda CR250 wiring diagram


Hi, Jennypoo5282 for this scenario you will need your service/owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
1991 Honda CR250 wiring diagram Google Search
Honda Motorcycle Wiring Diagrams
CR250 2002 2003 pdf
http://owners.honda.com/assets/ownerlink/model/own_man/powersports/2007/2007_cr250r.pdf

May 02, 2012 | Honda CR 250 R Motorcycles

1 Answer

2002 Honda CR 250 R lost all compression


Hi, Brandy for this scenario you will need your service/owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
2001 CR250 Fresh top end no compression
2001 CR250 Fresh top end no compression
CR250 2002 2003 pdf
http://www.partsfish.com/page/oem-parts-for-honda
http://owners.honda.com/assets/ownerlink/model/own_man/powersports/2007/2007_cr250r.pdf

Mar 04, 2012 | 2002 Honda CR 250 R

1 Answer

1991 CR250 top end rebuild power valve installation


Hi, Elizedtan for this scenario you will need your service/owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
2 Stroke Top End Rebuild very informative
01 CR250R power valve installation
CR250 2002 2003 pdf
http://www.partsfish.com/page/oem-parts-for-honda
Honda CR250R Owner Manual Competition Handbook

Feb 27, 2011 | Honda CR 250 R Motorcycles

1 Answer

I have a 1991 cr250 wont start it has compression ,spark and gas to carb?? feels like it wants to kick over.problem started with having gas going thru carb was flooding , completely cleaned carb now wont...


just adjust the accelerator cable that is connecting to the fuel pump.check the and repair the throttle cause its the reason why it wont start . Its flooding the because of too much release of gas to the carb.

Jul 28, 2009 | Honda CR 250 R Motorcycles

1 Answer

Stopped running on the highway as i disengaged cruise


it sounds like ou may have a weak fuel pump. if all it does is sputter then its starved for fuel. you might also check for water in the tank if theres enough water built up it wont run right

Dec 25, 2008 | 2000 GMC Sierra

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