Engine dies when hot

[mark38090]

I have an 85 YTM200ERN, I can ride about 10 minutes and then it shuts off... Acts like it out of gas, but I can let it cool down and it runs fine.

[hondaracer11]

try cleaning the engine up and then run some royal purple oil in it

[atctim]

Sounds spark related to me - the next time it "stops running" and is still hot, pull the plug and check it for spark - may be electonic related.

[cragster]

our old 200s did that. we got a new coil and it fixed it

[RedRider_AK]

My Panther 440 motor does the same thing, and it's because I haven't changed the coil. Check your electronics.

[Russell 350X]

Clean the petcock on the gas tank, could have rust in it. I've had that problem several times.

[foster]

My 185s used to do that, so I ordered a new coil and it never did it again.
I never actually put the new coil ON it, it's just that as soon as I spent the cash on the new coil, it never did it again.
No kidding. :lol:
But I'm told the coil will cure it. Good luck.

[xman23]

my 200x did the same thing so i rebuilt the carb and doesnt do it anymore

[willcamach]

my 200x did the same exact thing and it turned out to be my valves needed adjusting.

[yamahaman420]

the oil splash system may not be working

[kando]

Also check compression if very low it needs new rings, and hone job. When cylider wall is worn out it doesn't hold any oil in hone pattern and heats up walls stalling motor after awhile when riding it. Let it cool down and it will go till it heats up again.

[Erics350x]

ive seen gas caps that wouldnt vent cause the same problem , but usually its the coil.

[sblt500r]

source coil on the stator needs rewinding or replaced. it has a short. ohm out the stator to be sure.