Question about 2002 Honda CR 250 R

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My cr 250 backfires and breaks reed petals,is this an ignition failure?

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  • 64 Answers

Look around the exhaust where it comes out of the cylinder, if the are any cracks or leaks this will cause your problem.

Posted on Jun 23, 2009

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1 Answer

BREAK LIGHTS STAY ON, WHEN IGNITION OFF


check the switch behind the break petal if it is either needs adjustment or is in need of replacement best way to check is unplug the switch and see if break lights go off or just lift up on the petal.

Jul 20, 2013 | 1999 Cadillac DeVille

1 Answer

2003 kx250 why my reed petals keep going bad?


A reed valve in a 2 stroke engine is basically a way to prevent the fuel/air mixture from being blown back into the carb. If yours keep failing, the most likely reason is that you have bought cheap reeds. There should also be a reed valve support on the carb side. this is to stop the valve from vibrating and bending the wrong way.

Apr 24, 2013 | Motorcycles

1 Answer

How to I stop my kx 250 from backfiring


sounds like broken reeds or the pilot jet is pluged bad sparkplug could cause it as well

Aug 26, 2012 | Motorcycles

1 Answer

2001 Honda CR 500 R hard to start cold


Hi, Jhisadleir and the usual suspects are:
1. Spark plugs in bad condition or have an improper gap or are partially fouled.
2. Spark plug cables in bad condition.
3. Battery damaged or nearly discharged, should have 12.5 volts.
4. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
5. Throttle controls not adjusted correctly.
6. Water or dirt in the fuel system.
7. Water or dirt in the carburetor.
8. Intake air leak.
9. Fuel tank vent hose and vapor valve plugged, or fuel line closed off, restricting fuel flow.
10. Choke valve inoperative.
11. Engine lubricant to heavy (winter operation).
12. Ignition is not functioning properly (possible sensor failure).
13. Faulty ignition coil.
14. Valves sticking.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
My cr500 is still hard to start please help
CR 250 Cold Starting
Honda CR500R Service Manual
https://www.partsfish.com/page/oem-parts-for-honda
http://www.ultimatesecuritycourse.com/cr500-owners-manual.pdf

Dec 17, 2011 | 2001 Honda CR 500 R

1 Answer

My tzr 250 is backfiring. after backfiring the engine will cut off. and i can hardly start the engine.


A back fire like that can mean an electrical problem.
have the coils checked
it could also be as simple as a short in the cut out switch, or a worn ignition switch

May 25, 2011 | 1992 Yamaha TZR 250 R

1 Answer

1994 Honda CR 250 R will not start and backfires


Hi, Kmonroe8269 and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Faulty main circuit breaker and or connections.
4. Faulty ignition coil and or connections.
5. Faulty spark plug, oil or gas fouled, wrong heat range or service type, wrong gap, loose in the cylinder head, broken electrode or insulator.
6. Faulty spark plug cables, leaking or broken, internal damage check for spark leakage in the dark.
7. Faulty ignition module, switch, CKP, MAP, CMP, sensor and or any connector in the ignition circuit could have corroded, loose, or broken pins/sockets
8. Burnt exhaust valve or air leak in the exhaust system.
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.
1986 CR500 Won Start just backfires
Bike won start just turns over and backfires Any ideas CBR Forum...
CR250 2002 2003 pdf
http://www.partsfish.com/page/oem-parts-for-honda
Honda CR250R Owner Manual Competition Handbook

Aug 05, 2010 | Honda CR 250 R Motorcycles

1 Answer

Backfiring


Check the chassis wiring whe it enters the side cover on the ignition side of the engine. There is supposed to be a rubber grommet there. Soetimes that grommet gets kicked loose where is comes out of the side cover hole and the wires chafe to the point that they ground out the ignition module.

Also looks for bare wires under the gas tank around the ignition coil module. Everything your describing points to a chassis short to ground.

Also the problem can be in the handle grip with the kill switch or a bad kill switch.

It is probably time to break out the Ohm meter and start chasing wires.

Kelly

May 04, 2010 | 2003 Yamaha YZ 250

1 Answer

I have a 1998 CR 250 Just replaced the cyc head , jug along with piston and reeds. Starts and rund just fine till it warms up and it start to cut in and out and the kill swithch will not work. the funny...


I believe u have a short will the kill switch. Disconnect the kill switch and try your bike and tell me. The kill switch grounds the coil, when the coil is grounded u have no spark so motor doesn't start. I have seen this problems a lot of times and it is the kill switch to blame.

Jul 26, 2009 | 2002 Honda CR 250 R

1 Answer

99 cr80 starts but cuts out at the top end of 4th gear. jets and carb clean air filter clean just had a new top end and new packing in exhaust


cuts off or breaks up?? if it breaks up it could be a couple of things bad reeds or electrical like stator or cdi bog ign coil check those

Jul 11, 2009 | 2002 Honda CR 125 R

3 Answers

Cant keep my RM 250 2 stroke running


DOES IT STOP RUNNING BECAUSE OF A FOULED PLUG WHAT RATIO FUEL/OIL ARE YOU RUNNING
40:1 IS A GOOD RATIO NEVER HAD A FAILURE IN 20 YEARS

Apr 13, 2009 | 2005 Suzuki RM-Z 250

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