'85 200s sputtering

[Banage]

Just got it last night, its an '85 200s But it sputters when riding and dies if it idle's too long (about 20 seconds) . So i changed the carb to the one off my big red i never had a problem with, and there is NO difference at all. Any ideas?

[McDerry]

spark plug foiled?

[Banage]

ill Give it a shot with a new one
Thanks,

[Banage]

ok i put a carb off another 200, never had a problem with, and a new plug in. This did help, but it still sputters. Do you think it could be wrong plug?? What plug should a '85 200s have??

[team-red-rider]

Ngk Dr8es-l

[Bunyan]

Does it backfire too? Could be getting oil fouled if too much oil is passing bad rings. How does the plug look when you pull it?

[Banage]

No Backfire, and the plug looks burnt

[McDerry]

black or brown?

[topoortorideon4]

Sounds like its not fireing on every rotation.

[trikes4life]

maybe a new ignition coil.

[TravEX]

Mine sputters every once in a while, more often during warm up. I've accepted that as normal for mine. It doesn't die, just an occasional sputter at idle or low rpm's. Is it a constant, steady sputter?

Travis

[Banage]

Its a Steady sputter in 1'st gear and idle, and occasional in the others, mostly when i let off or im less then 1/4 throttle. I got a couple backfires yesterday, but the guy i got it from asked to buy it back cause i got it running so much better, hahahah. They are burnt Black, i know that Brown is normal.

[JackFlack]

Black means your running way to rich. Check air filter,Neadle hieght on Carb.

[84honda200s]

lol mine is doing the same crap. exept mine does it on hills and only in higher gears (3rd 4th 5th) gears

but my plugs are come out tan "normal"

[Banage]

no, plugs are Black as the night after one outting

[ATC-Eric]

Mine use to do the same thing. does it smoke? your plugs are burnin black, you might be losin your rings.

if not, i would check your pulse generator (cdi) or your ignition module.