1988-2006 Yamaha ATV YFS200 Blaster service manual PDF download file., Page 227Get this manual
STARTING FAILUREIHARD STARTING1 POOR IDLE SPEED PERFORMANCE COMPRESSION SYSTEM Cylinder and cylinder head PROBABLE CAUSE Loose spark plug Loose cylinder head or cylinder Broke cylinder head gasket Broke cylinder gasket Worndamaged or seized cylinder Improperly installed piston ring worn, fatigued or broken piston ring Seize piston ring Seize or damaged piston Improperly seated crankcase elmproperly sealed crankcase (Damaged oil seal) seized crankshaft Deforme reed valve stopper Improperly seated read valve Loos intake manifold Broken gasket Broke reed valve