Bike has sat over 3 years. If I use starting fluid it runs (afraid of backfire). If I put gas in the cylinders (spark plugs orfice), it will run a few seconds.
SOURCE: Trouble starting my 2003 TTR 225
how old is the gas it may have a lot of water or junk in it.drain the bowl on the carb and drain the fuel out of the tank, check the petcock screen inside the gas tank. also i would not spray start fluid into the plug hole, it could blow a hole in the top of your piston,spray a little right into your air cleaner or carb.good luck
SOURCE: bike won't start
Check compression ratio and valves clearance.The carbs leak any fuel from their o-rings.Spray through the air box with a carb cleaner spray while pressing start button but little bit at a time.Don't twist the throttle too much and always use choke until she fires up for good.
SOURCE: 1986 Suzuki GS 450 won't start
Take the carburetors apart and either rebuild them or clean them thoroughly.
SOURCE: 2002 buell blast is running rough - missing - backfiring
Wow, my 2002 blast is doing the same thing, or at least it was untill it blew a hole through the exhaust and quit running all together. Time for a sportster.
SOURCE: I have a 95 Road King that isn't running right, it
Backfiring out of the exhaust is usually an ignition problem. Unburned fuel is getting into the exhaust system because it's not being ignited in the cylinder. When the engine fires on that cylinder again, it ignites the raw fuel in the exhaust causing the pop that people call a backfire. I'd investigate the ignition system. Connect a timing light to each of the spark plug wires if it has a single fire ignition or either of them if the ignition system is the stock dual fire. Start the engine and watch the timing light to tell if the engine is missing as the light will miss a flash.
Good Luck
Steve
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