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So i just got my first 2 stroke. it's a 92 yz250. i took it out today and started riding around, all going good. then i notice it's running out of power eventually stalling and i couldn't get it started again. almost like it ran out of gas? but with a full tank. the fuel was on. don't know if i'm missing something stupid? dirty carbs? didn't have enough time today to really mess with it. but plan on looking at it tomorrow. don't really know a whole lot about 2 strokes so i was hoping someone could help me out.

thanks

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It could be a few things, but from the sounds of it I'd bet it was you simply were not riding it hard enough. Pull the plug and check it out. If it is covered with black goo then you fouled the plug. Put in a new one. Rev it harder, ride faster, etc. Otherwise you could look at jetting it leaner on the main until you get the hang of riding it.

If you have a manual that should help you evaluate the plug. You could also google "2-stroke jetting" or similar to find out just how the carb and jetting work. If you are new to riding smokers then you should get a few spare spark plugs or have a couple extra to clean up. Once you get the bike jetted properly and learn to ride it, the plugs last quite a while.

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So i just got my first 2 stroke. it's a 92 yz250. i took it out today and started riding around, all going good. then i notice it's running out of power eventually stalling and i couldn't get it started again. almost like it ran out of gas? but with a full tank. the fuel was on. don't know if i'm missing something stupid? dirty carbs? didn't have enough time today to really mess with it. but plan on looking at it tomorrow. don't really know a whole lot about 2 strokes so i was hoping someone could help me out.

thanks[/Q

When it started dying was it wide open,if so what happened when you choped the throttle.How long did you ride it for? Check the flow from the tank pull the line off the carb and let it drain into a container for at least a minute to make sure the tank filter or valve isnt clogged.After that just follow the the path the fuel takes into the carb until you find the place where the flow stops or is slow.take the carb off,take the float bowl off.be carefull when you do this the pin that holds the floats can fall out so hold the carb upright when you pull the bowl off .If you are familiar with carbs you will be fine check all the jets wich are the brass things in the bottom with screw driver slots in them make sure they are not clogged, and dont over tighten them just snug em up.While the carb is off pull the rest of the intake off of the engine and check the reeds.Look for cracks or chips.check for spark too.And make sure the air filter is in one piece lol ive seen older bike with old filters that practiclly crumble.that could deffinately cause probs..If possible put a video up if you get in to run and it does the same thing GL

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pretty sure i was riding it hard enough, only took it down the road a few times. and i was wide open. i did take the plug out and it was pretty clean, like a light tan color, looked like a pretty decent plug to me. and i am getting spark. it didn't die when it was wide open, but i could feel that the power band was def less powerful, chopped the throttle and it slowed down a little more, let off the gas and then she died. was only riding for about 5 minutes i'd say. i'll go through from the tank to the carb and come back with an update. thanks for the help, i really appriciate it.

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ok, good flow from tank to carb. cleaned the carb, checked the reeds everything looked good. put it all back together, turned the gas on and third kick she fired right up. rode it around for a bit, felt good. now another question i have. happen today but not the first time... i shut it off to put my helmet on, come back within minutes and it doesn't want to start. what's the deal? ran great from what i could tell, hit the kill switch, wait a bit, try to start and nothing. if i sit for 10-15 minutes then come back, usually fires right up. ?????

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Start the bike and let it run for a bit. Shut it off or wait until it shuts off and check for spark. MAybe the coil or electrical system has a a hot short in it somewhere.

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