i've got a honda 250x.one day i was just riding slowly in 2nd gear,and it just quit.it was running fine 10 seconds before it quit.It didnt even putter.I just stolled right out.i took out the plug.it was clean.its still has a little compression.Im thinking its either in need of new rings or even a new piston,but im not sure.someone help me out please

 

Before doing anything drastic, you might disconnect the fuel line at the carb after turning off the petcock. Then turn the petcock on to check fuel flow from the line.If you have a good flow of gas from the line, you've eliminated that possibility. Shut off the petcock again & open the drain on the carb to see if gas is in the bowl & let it drain out. After it has drained, open the petcock again to see if it fills the bowl & starts to drain out. If not you have a blockage in the carb. Pull it & disassemble it & clean/blow dry with compressed air.Be sure to remove the main jet & clean/blow dry it & check the float for free movement & remove the little spring loaded pin holding the float & check it for free movement also. This pin sometimes sticks and won't allow the float to drop, which prevents fuel from entering the bowl
Hopefully one of these steps will solve your problem.

 

nothing is wrong with the carb.it is clean,it gets gas and the fuel line is not clogged.i know it has something to do with the valves,or the rings.i dont think the piston could be bad,but im not sure.if i take off the head,does it have to be bolted on to a certain poundage?Thanks

 

A little compression won't cut it. Sounds like you may have blown a head gasket. And yes, head bolts should be tightened in the proper order and to the specified torque.

 

Did it make any strange noises before it quit? Or did it just stall out?

Have you checked for spark?

Mine made some ungodly sounds before it locked up. If you blew it up you would hear it.b

 

yeah but mine was running perfect like 10 seconds before,no noises,nothing.the plug sparks,and it gets gas.all of the sudden it stalls.like hitting the kill switch