Question about 2005 Honda CBF 250

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Honda cbf start

Hi i have a 2005 cbf 250 and i find it had to start and when it does start it will not run on tickover including choke until engines warm once it is warm it ticks over great i have replaced sparkplug as the carb is preset there are 2 wires that go into the carb where do they come from is it the cdi unit or is it from the coil thanks will

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They are probally throtle positioning sensor if so replace it

Posted on Jun 23, 2009

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2005 Honda CBF 500 ABS will not start


Hi, Anonymous and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the choke.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. Fuel injectors stuck open.
13. Quick disconnect check ball stuck.
14. Compression below 75 PSI.
15. A stuck-bent-burnt valve.
16. 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 cursory 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.
17. 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.
18. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
19. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections are loose or connected to the wrong cylinders.
20. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
21. Faulty neutral, clutch, kickstand safety switch.
22. Faulty fuel pump or fuse or relay.
23. Faulty or corroded run/stop switch.
24. Tilt sensor needs a reset.
25. Security system not disarming alarm needs a reset.
26. Check for engine trouble codes.
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.
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https://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

May 20, 2018 | 2005 Honda CBF 500 ABS

1 Answer

Why does my 98 Polaris Indy 500 snowmobile fall on its face after its warmed up runs fine when you first started


'falls on its face'?

Did you disengage the choke? The choke is there only for tickover running and will choke (literally) the engine if you use it when the engine is hot. It reduces airflow and increases fuel.

Jan 27, 2016 | Winter Sports

1 Answer

2006 Honda CBF 250 uneven tick over


Hi, Anonymous and the usual suspects are:
1. Idle speed improperly adjusted.
2. Air fuel mixture screws not properly adjusted.
3. Inlet system air leak.
4. Leaking accelerator pump.
5. Loose low-speed jet.
6. Plugged low-speed jet.
7. Contaminated or plugged low-speed circuit.
8. Enrichner valve/choke not seated or leaking.
9. Multi carburetors out of sync and need to be balanced.
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.
CBF 250 Tickover SOLVED
How to diagnose carburetor vacuum leaks on your motorcycle
https://grantward.files.wordpress.com/2010/10/honda-cbf-cbx-250-twister-workshop-manual-english-optnopw.pdf
http://www.partsfish.com/page/oem-parts-for-honda
Honda CBF250 Owner Manual

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


Feb 27, 2014 | 2006 Honda CBF 250

1 Answer

2011 Honda CBF Stunner transmission oil change


Hi, Mohit 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.
Honda CBF 125 Oil Change
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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 07, 2013 | 2011 Honda CBF Stunner

1 Answer

2007 Honda CBF 600 engine flooded


Hi, Anonymous the best way to clear a flooded engine is:
1. Turn fuel valve to off.
2. Remove the spark plugs and clean or replace as needed.
3. Crank the engine over for about 10 seconds.
4. Replace the spark plugs.
5. Turn on fuel valve.
6. Start the bike with minimum or no choke.
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.
Engine flooded Please help
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Honda CBF600SA Service Manual
https://www.partsfish.com/page/oem-parts-for-honda
https://www.acura.com/assets/OWNERLINK/Model/own_man/powersports/2004/2004_CB600F.pdf

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


May 28, 2012 | 2007 Honda CBF 600

1 Answer

2005 Honda CBF 250 idle screw adjustment @


Hi, Anonymous you need to make sure you have no intake leaks by spraying some Brake Kleen, Contact Cleaner, Starting Fluid etc. around the intake manifold and seals, if the RPM's go up or down significantly then you have a leak that needs to be fixed before you can continue with the carburetor adjustment.
The engine should be at operating temperature with the choke off to set the idle between 950-1050 rpm. Turn the idle skrew clockwise to increase the idle speed and counterclockwise to decrease the idle speed. If you have access to your air-fuel mixture skrew you may turn it as well, if not there is a video below on how to gain access, make sure you start with clean or new spark plugs. Gently turn the air-fuel mixture skrew clockwise until it starts to bottom out "STOP" do not over tighten as it will damage the taper on the end, now back the skrew out 1-1/2 full turns to establish a starting point start the engine and check the idle rpm's and turn the idle skrew accordingly for 950-1050 rpm if necessary, turn the air-fuel mixture skrew 1/4 turn at a time and let the engine settle for about 10 seconds, turn the skrew clockwise for a leaner mixture and counterclockwise for a richer mixture, you are seeking the highest rpm your air-fuel mixture skrew can acquire without going past 3 full turns from the bottom then resetting the idle skrew back down to 950-1050 rpm If you can not detect any rpm change and can not stall the engine by turning the air-fuel mixture skrew all the way in then your pilot/low-speed jet is too big and needs to be replaced with the next size smaller. Final adjustment should be made with a clean air filter mounted to the carburetor.
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.
CBF 250 Carb Issue
How To Carburetor Idle Pilot Screw Adjustment Honda XR70
https://grantward.files.wordpress.com/2010/10/honda-cbf-cbx-250-twister-workshop-manual-english-optnopw.pdf
https://www.partsfish.com/page/oem-parts-for-honda
Honda CBF250 Owner Manual

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


Apr 19, 2012 | 2005 Honda CBF 250

1 Answer

2006 Honda CBF 250 will not run with the choke off


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.
13. Faulty auto choke or wiring connection.
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.
2006 CBF not idling
Bike won Run without Choke
Honda CB250 Shop Manual
https://www.partsfish.com/page/oem-parts-for-honda
Honda CB250 Nighthawk Owner Manual

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

May 12, 2010 | 2006 Honda CBF 250

2 Answers

Hi just borrowed a Honda cbf 600 abs, but can t locate the choke, any help??


the choke is on the left hand side! above the crank casse, below the carbs! just pull

Jan 12, 2010 | 2004 Honda CBF 600 S ABS

1 Answer

Kawasaki GT 550 - erratic tickover


Put a carby kit through it and clean, inspect and blow all ports through, check intake rubbers for any leaks, (pin holes can change air fuel ratio) Especially check for obstructions in your idle/bypass jet, do the kit first so you know its right, then tune your idle mix until steady.

Feb 24, 2009 | 1992 kawasaki GT 750

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