Hi, i ran out of oil the other day(2 stroke) the bike died, filled it up after walking it 10 miles home, it started but would die down and not tick over just cut out, thought it would be the rings so i bought a new set and piston but it still does the same but with a knocking noise and seems to have little compression there. also i had it re-sleeved 9 months ago and there is no damage to the bore.
can any one help?
Check the piston to cylinder clearance.You very well could have wore either the piston and/or the cylinder. Also check the rod for up/down play.Running out of oil could have ruined any bearing in the motor.
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You adjust the oil via the oil pump. The throttle cable splits, one section goes to the carb and the other to the pump, you adjust the play/tension of the wire on the pump, while pulling back the throttle to see if it's aligning properly at full throttle and idle.
Two strokes tend to be very smokey so unless the smokes an unusual colour it's usually not a problem. I have a Kmx 125 with a 200cc engine, I prefer running slighty rich on oil, better than running slightly lean! :)
Check for spark first. If spark is there, chances are the carb has filled with water that has accumulated from condensation in the gas tank. Drain the carb, stick in a fresh spark plug and then give it a try. Please rate my answer. Thanks.
Assuming you are using two stroke engine oil, the pump is pumping too much into the gas. DO NOT use motor oil in the gas. If 2 stroke oil is being used, then get a new pump, fix the one you have or disconnect the pump and mix the oil with gas when you fill up. Four ounces of 2 stroke oil per gallon of gas equals the standard 32/1 fuel mix.
The best way to control the smoke when you have a bad automatic pump is to do what most other bikers do. Drain the pump and don't try to use it to supply oil to the gas. Instead, add 4 ounces of two stroke oil to each gallon of gas that you put in the tank. This equals the recommended 32/1 mixture needed by the engine. It may take a tank or so to rid the crank chamber of any built up oil but soon the amount of smoke will be no more than anyone else.