Question about 2005 Honda CRF 250 R

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My 2005 honda crf250r is really hard to start but runs great after it starts. What could be the problem?

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Check out the intake valve clearance. If you have to go 2 or more shims smaller check out crfheads.com

Posted on Aug 07, 2010

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Proberly down on compression

Posted on Jul 28, 2010

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1 Answer

How ofden should you change oil on a crf250r 2005


Hi, Anonymous for this scenario you will need your service, parts fiche, and 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 for viewing and printing please click on the blue links below. Good luck and have a wonderful day.
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

May 11, 2014 | 2005 Honda CRF 250 R

1 Answer

2008 Honda CRF 250 R is hard to kickstart


Hi, Anonymous 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.
honda CRF250R Hard to Start
http://www.hondacrf.com/forums/showthread.php?1056-crf-09-wont-kick-start-but-will-bump
Honda 2004 CRF250R Service Manual
http://www.partsfish.com/page/oem-parts-for-honda
HONDA CRF250R 2006 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Aug 01, 2013 | 2008 Honda CRF 250 R

1 Answer

2005 Honda CRF 250 R engine number location


Hi, Anonymous for this scenario you will need your service, parts fiche, and 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 for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
2005 Honda CRF250R engine number location Google Search
HONDA CRF250R 2006 Owner Manual Vehicle Identification
Honda 2004 CRF250R Service Manual
http://www.partsfish.com/page/oem-parts-for-honda
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Jul 21, 2013 | 2005 Honda CRF 250 R

1 Answer

2005 Honda CRF 250 R won't run without the choke on


Hi, Anonymous and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
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.
https://crfsonly.com/forum/viewtopic.php?t=36766
bike wont idle without choke on why
Honda 2004 CRF250R Service Manual
https://www.partsfish.com/page/oem-parts-for-honda
Honda CRF250R Owner Manual Competition Handbook

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Jul 16, 2012 | 2005 Honda CRF 250 R

1 Answer

Problem cold starting a Honda CRF250 2006


Hi, Anonymous there is a fuel valve and a choke for this scenario you will need your service manual, parts fiche, and 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 for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
honda CRF250R Hard to Start
How to start crf 250r when it cold every time
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Honda 2004 CRF250R Service Manual
https://www.partsfish.com/page/oem-parts-for-honda
HONDA CRF250R 2006 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e



Nov 14, 2017 | 2006 Honda CRF 250 R

1 Answer

2005 HONDA CRF 250 R HARD TO START WHEN HOT


Hi, Stevensmi601 your bike starts great when cold but once it reaches operating temperature and the engine is shut off for a few minutes then you try to restart it and it will turn over but will not fire or it doesn't do anything, the usual suspects are:
1. When electronics get hot they build up resistance then stop working. It might be an ignition coil, stator, CDI unit etc. First, you must find out if the spark dies out. When the bike won't start, pull a plug wire off, stick a new spark plug in the end and ground the threads on bare metal while someone cranks the engine over. You should see a nice big blue spark between the spark plug gap. Incorrect spark plug gap will cause or contribute to a no start when hot issue.
2. Fuel Tuners have been known to cause this type of problem, disconnect it and see if resolves the issue.
3. Any engine management sensor could be faulty especially the ones that monitor temperature.
4. Gas cap not venting properly, improperly routed fuel lines they must always go down from the gas tank to the carburetor never in any kind of a loop this will cause a vapor lock. Clogged, bent, kinked, pinched or restricted carburetor vent lines will do the same.
5. Overhead camshaft valves adjusted too tight when cold, this will cause loss of compression when hot, except for pushrod engines they usually get looser when hot.
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.
https://crfsonly.com/forum/viewtopic.php?t=28695
honda CRF250R Hard to Start
Honda 2004 CRF250R Service Manual
http://www.partsfish.com/page/oem-parts-for-honda
HONDA CRF250R 2006 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Nov 06, 2010 | 2005 Honda CRF 250 R

1 Answer

2008 Honda CRF 250 R after the bike is warmed up it will not start


Hi, Holdennguyen your bike starts great when cold but once it reaches operating temperature and the engine is shut off for a few minutes then you try to restart it and it will turn over but will not fire or it doesn't do anything, the usual suspects are:
1. When electronics get hot they build up resistance then stop working. It might be an ignition coil, stator, CDI unit etc. First, you must find out if the spark dies out. When the bike won't start, pull a plug wire off, stick a new spark plug in the end and ground the threads on bare metal while someone cranks the engine over. You should see a nice big blue spark between the spark plug gap. Incorrect spark plug gap will cause or contribute to a no start when hot issue.
2. Fuel Tuners have been known to cause this type of problem, disconnect it and see if resolves the issue.
3. Any engine management sensor could be faulty especially the ones that monitor temperature.
4. Gas cap not venting properly, improperly routed fuel lines they must always go down from the gas tank to the carburetor never in any kind of a loop this will cause a vapor lock. Clogged, bent, kinked, pinched or restricted carburetor vent lines will do the same.
5. Overhead camshaft valves adjusted too tight when cold, this will cause loss of compression when hot, except for pushrod engines they usually get looser when hot.
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.
HONDA CRF250R 2006 Owner Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda 2004 CRF250R Service Manual
honda CRF250R Hard to Start
https://crfsonly.com/forum/viewtopic.php?t=28695

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Nov 02, 2010 | 2008 Honda CRF 250 R

1 Answer

2005 crf250r trans oil and funny noise


The water pump seal is maybe gone.This would allow water into the trans.Get it checked and also that the bearing hasn,t spun in its location.This may cause the color change.Being a grey color,it may indicate aluminium in the oil.This may be the spun bearing turning in the housing.With what you wrote,I would get these things looked at.I hope this helps you

Nov 03, 2009 | 2005 Honda CRF 250 X

1 Answer

Honda CRF250R , 2005 Very hard to start even when warmed up .


Your carbeurator is gummed up. You could put a gasoline addivite in the tank to try and clean up the carbeurator. I have had success with several products at auto zone stores.

Jun 11, 2009 | 2003 Yamaha YZ 250 F

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