I have suzuki lt80 not working.just had a look at piston.piston has scrap marks up and down it.feels rough.same with inside of cylinder.i suspect oil injector hasnt been working properly.tried a little fuel down plug hole and it fired up for about 3 seconds and that was it. please advice on what i should do.dont know much,learning as i go!!

 

I moved this to the kids section so LT80 can give you some advice.. Id say the piston, rings and cylinder are junk.. not sure if you need a new cylinder or if that one can be bored out.. LT80 will know..

 

Thanks!Waiting for LT80 for the advice. Tinkering now trying to clean off the scrap and cleaned up with oil.

 

You will need a top end rebuild.
ie: new piston/rings and bore to match.
I allways use a new piston pin, pin brg, and cir-clips.
We would need to figure out what size your cylinder is on. You see what is in the top of your piston.. .0 .5 1.0
You can go to:
Ohio Motorcycle ATV Dealer - North Ridge Yamaha Suzuki - Geneva, OH - Scooter Utility-vehicle, snowmobile
And look at the parts fiche. Seeing the parts blowup can explain alot.
I have a few cylinders being freshened up and will be for sale very soon.
This may be something your interested in.
Surely there is a local guy wherever you are that can help also.
Hope that helps.

 

does the piston coating ensure that the ring remained undamaged under intense mechanical forces? a friend recommends a hardier coating.