221 264a6e2499

TRBL	o
SHTG	w •

STARTING FAILURE/HARD STARTING/POOR IDLE SPEED PERFORMANCE

COMPRESSION SYSTEM

— Cylinder and cylinder head

PROBABLE CAUSE

— •Loose spark pług •Loose cylinder head or cylinder •Broken cylinder head gasket • Broken cylinder gasket *— •Worn, damaged or seized cylinder

— Piston and piston rings

— Crankcase and crankshaft

*— Reed valve

■—•Improperly installed piston ring

•Worn, fatigued or broken piston ring • Seized piston ring — • Seized or damaged piston

■    — • Improperly seated crankcase

•Improperly sealed crankcase (Damaged oil seal) L- • Seized crankshaft

■    — • Deformed reed valve stopper

•Improperly seated read valve •Loose intake manifold •Broken gasket ^—•Broken reed valve

POOR IDLE SPEED PERFORMANCE

POOR IDLE SPEED PERFORMANCE

L- Carburetor-

PROBABLE CAUSE

— •Improperly returned starter plunger •Clogged or loose pilot jet

•    Clogged pilot air jet

•    Improperly adjusted idle speed (Throttle stop screw)

•Improper throttle cable play I— »Flooded carburetor

8-3