Just clean carbs, fuel lines and replaced fuel filter cleaned tank and added fresh fuel, and bike started started right up, but next day bike wont start again so I pulled carbs and cleaned out again and started right up again, but the next day it would not start again, it sounds like its firing but no start. I checked coils etc and check out, it seems to be center around carbs I cant afford to clean carbs evertime I need to start it please Help Larry
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Hi, Harold it's really tough to answer any of your questions because you didn't ask any, the batteries in my crystal ball are dead and my mental telepathy headset is broken so here is my best shot the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Water or dirt in the fuel system, carburetor or filter.
11. Restricted, blocked or kinked fuel line.
12. Fuel tank empty.
13. The gas cap is not venting properly or fuel tank venting system blocked.
14. A failed fuel pump, pressure regulator and or fuel injectors.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day. 1995 cbr 600 F3 problem PLEASE HELP CBR Forum Enthusiast forums for Honda... cbr600f3 will only start choke gas givin Honda Motorcycles FireBlades org HONDA CBR WONT START TRY THESE TIPS 1996 1998 Honda CBR600F3 Service Manual Moto Data Project
Floats are sticking in carbs and staying open which causes fuel to overflow.you can try tapping float bowls with screwdriver handle sometimes this will free up floats .If this dosen't work you have to remove and clean carbs.Good Luck
sounds like a fuel restriction or flooding.. check the fuel filter or kinked fuel line.clogged pitcock....you could have not put he jets in right and your flooding out the motor..check throttle return spring.. set the floats correctly?...you must use the measuring gauge in the carb rebuild kit to measure the correct float hight after rebulding the carb and replacing the floats...
Hello shawn...Yes indeed gasoline can degrade over time. That can lead to a number of problems, ranging from hard starting, to rough running, to no starting at all...If your bike was stored for 2 years the gasoline in it has degraded beyond use. Even if the gas was treated with stabiliser before it was stored...it will still degrade in 10-12 months, if not sooner. I'm suprised your bike will even start. I suggest you drain ALL the gas out of the tank, Rinse and refill with fresh gas, drain your carbs as well...the stale gas has most likely clogged the pilot jets, draining the carb bowls will help. Go to your parts store and buy a can of "Seafoam" pour 1/2 of it in with your fresh gas..use the other 1/2 on your next tank of gas. Replace fuel filter after 1st tank, the seafoam will dislodge any debris that was in the fuel tank. It will also clean the combustion chambers and carb jets. Check your carb boots for any cracks or detoration that would cause a vacuum leak. Replace your spark plugs. If your bike is still running rough after this, then the carbs will need to be removed and cleaned and/or rejetted. Good luck..i hope this helps, please rate me a fixya.
wow, 7 years without use! try to check if the fuel pump motor is still working... also check the fuel lines if its clogged.. I hope you get your bike up and running again... feel that adrenaline rush when going 100+mph.. hehehe.. have a good one bro...
check or replace fuel filter..if you've done that the check fuel pump to make sure its pumping out fuel....take line off fuel filter that goes to carbs and put it in a can start bike and you should see fuel coming out.
Initially, try to drain the carbs themselves. Each carb has a drain screw at the bottom specifically for this purpose. Just turning these drain screws a couple of turns counter-clockwise would allow the fuel inside the bowl to drain out through a hose. Normally, I do it with the tank's fuel valve open (PRI) so as to enable the gas to flow freely, the fresh gas to wash the inside of the bowl and prevent the float from sticking in the open position. In some instances that the the tank's fuel valve open is closed when doing this, the carb has a bad habit of overflowing. Of course care and safety should be in mind as raw fuel would tend to be draining out.
Good luck and Thank you for using FixYa. Happy Holidays.