Question about Motorcycles
I suspect a loose fitting of gasket failure. Second is that the needle and seat may have something stuck under the needle and not closing off properly.
Posted on Apr 27, 2013
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Posted on Jan 02, 2017
SOURCE: cbr 600 f3 will not start
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...
Posted on May 26, 2009
Does that model have one coil or 2? If it checks out fine on both sides, I would assume you have a carb issue. Not getting enough gas to that one cylinder. If the ignitor was bad, you wouldn't have fire to either coil.
Posted on Jun 05, 2009
how long did you let it sit for with gas in the carbs, you may have clogged up your jets. after awile gas will break down and turn into varnish, if your bike trys to push the varnish through the system it will clog the jets. try to take off your seat then remove your plastic over the gas tank. remove the gas tank and you will see four bowls *silver ones right next to where the gas tank is on the carbs*. your bowls are in sets of two. there are drain screws on the bowls to remove the gas inside. remove the 16 screws holding the bowl onto the carb. *4 on each* inside you will see your floats and jets. carefully loosen the jets with a screw driver then finish unscrewing them by hand, they are brass and very soft. you should be able to hold up the jets to the light and see a small pin hole. if not get some carb cleaner and give them a squirt and blow them out. do not try to use anything to clean them out, they are very very sensitive and one knick will change the jet. after that i would spray some carb cleaner up the jet holes and try to clean them out also. if you have a compressor it would be wise to use that to blow out the gunk from the jet holes as well. after you run threw all 8 jets put them back together and see how it goes, if nothing you may have to check the jets again and if clogged again your carbs are gunked up and will need to be cleaned
Posted on Aug 12, 2009
SOURCE: GSF 600 SV 97 fuel problem
If the bike will run with the choke on then you have a lean fuel/air mixture condition. Most common cause is a vacuum leak or faulty pitcock. Spray some carb cleaner around the carb mounts with engine at idle, if the rpms change there is your leak.
Your petcock should have two hoses attached to it. One hose is the main flow to the carbs. The other hose is/should be a vacuum hose that allows the gas to flow (when vacuum is applied). When your petcock is in the PRI position, this will bypass the vacuum hose. Leaving it in PRI when motor off could possibly flood the engine. Check to see if that vacuum hose is attached properly with no splits or cracks near both joints. If all is attached properly your problem is the petcock itself. It has a diaphragm and 'return' spring. Weak return spring, clogged petcock, damaged diaphragm can all cause your problem. Also, after you recleaned and inspected the carbs, were they synched... if not, this needs to be done.
Good luck...i hope this helps..please rate me a fixya.
Posted on Sep 19, 2009
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