Questions & Answers for: py90

py 90 whats the timing on a py 90 When i put my PY90 into gear it goes straight off can you adjust the clutch?

py90 carb timming screw how do you know how far to screw the screw to start it I presume you mean the air bleed jet. If so screw it in GENTLY till bottomed out then unscrew 1.5 - 2 turns. Adjust when ...

...of any tink else it my be, its hardley been used and only 2 years old the same problem happened my py90 try taking out the sparkplug blowing in the hole to clean it out and if that doesnt work blow ...

hot to put py90 back break pedal on the back break pedal of my py90 fell off and i dont know where to attach the sping or anything all parts are there and nothing is broken any help is very ...

py90 cut out problem mini bike were to find piston rings py90 any1??

Py90 bike engine/carb went on fire It went on fire but it didn't blow and I brought it to a mechanic and it's still spakingerfect he said its prob just needs a new carb what do you think it is? It's ...

My Yamaha py90 will not kicks tart hasn't been started in awhile any tips or tricks on how to get it going again? Take the spark plug out, spray a bit of WD40 into the cylinder hole, refit plug and ...

My py90 with monico engine isnt getting enough power when driving anyone know what could be wrong? Not enough power usually means that one cylinder is not firing. But there 100 other reasons, vacuum ...

Are motorcycle Yamaha TTR90 piston rings and oil ring compatible with Loncin PY90 piston rings and oil ring? My PY 90 motorcycle is burning oil, I think it's the oil ring, are they compatible and if ...