2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 115Get this manual

2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 115

Problem: Engine idles poorly Condition 1Magneto defective 2CDI unit defective 3Spark plug fouledgap too wide 4Ignition coil
smoke dirty or heavy Condition 1Piston ringscylinder worn 2Cylinder wall scoredscuffed 3Crankcase over-full of oil 4Air filter
too much air filter element oil 5Carburetor jets incorrect size (too big) Remedy 1Replaceservice ringscylinder 2Replaceservice
cylinder 3Drain excess oil from crankcaserecheck oil level 4Use recommended type and quantity air filter element oil 5Use
recommended carburetor jets Problem: Engine lacks power Condition 1Piston ring(s)cylinder worn 2Spark plug fouled 3Spark
plug gap incorrect 4Carburetor jets obstructed 5Float level out of adjustment 6Air filter element obstructed 7Intake manifold
leaking air 8Brake(s) dragging 9Drive axle bentworn bearings 10Drive chainsprockets stretchedworn Remedy 1Replaceservice