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| *Vultures Knob>>>Dirt Bike |
I need help diagnosing why my dirtbike wont start (i get spark and fuel)? |
I have a 1991 Suzuki DR350 straight dirt bike. It is a kickstarted motorcycle. I cleaned out the carbs and cleaned out the gas line. I have a new spark plug in and i do get spark, i shocked myself with it and thats how i know. i am using premium chevron gasoline(if that makes a difference). i sprayed starter fluid into the carbs as i was directed by a shop, and that didnt work. NO clue what to do next, lol. HELP!! Forget points and advice for 2-strokes- your bike is a 4 stroke with electronic ignition. Make sure the kill switch is ON!!! It is probably just flooded. Close the choke and kick it over repeatedly (up to 12 times or so should do). Keep the throttle closed. Clean the air filter. Open the choke, you might want to check the carburettor float bowl drain screw first, then keep kicking. Valves or low compression shouldn't stop the engine starting. If you have spark and fuel, there's only one more piece of the puzzle----AIR! The three requirements for an internal combustion engine to run are Fuel, Air, and Spark! PS: I wouldn't make it a habit of spraying ether in it either! check your timing Your timing may be knocked off...This is a ***** for kickstart bikes...Find TDC (top dead center) of your piston, and see if your ignition points are together. Pull the fuel line from your carb, let it hang down, and open the petcock to see if the fuel drains good. If so, put it back on...if not, you have a fuel filter problem. Last suggestion...is it a 2 or 4 stroke? If it is a 2 stroke, the engine is most likely toast... I'm guessing it's a 4 stroke? My 2 stroke only gets about 5 or 6 hrs ride time before plug fowls out but you said u changed plug. My second guess would be the coil. Your getting a spark but is it a good enough spark?.. My kids KTM did this and I check for fire. It was getting a spark. Did not know what to do then. I took it somewhere and had it checked out. It was the coil not producing enough spark. Have it checked. Oh and DO NOT use starter fluid, ether can produce to much bang and shatter the piston.... it does and has happened In addition to the suggestions by other answerers, you may want to check your compression. Check your valve clearences. |
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