Checking The Gear1, 3 And Idle Gear; Checking The Starter Motor Gear; Checking The Crankshaft; Checking The Crankcase Bearing - Yamaha KT100SEC Owner's Service Manual

CHECKING THE ENGINE PARTS

CHECKING THE GEAR1, 3 AND IDLE GEAR

1. Inspect:
Gear1
●
Gear3
●
Idle gear
●
Wear/Damage → Replace.

CHECKING THE STARTER MOTOR GEAR

1. Inspect:
Starter motor gear
●
Wear/Damage → Replace.

CHECKING THE CRANKSHAFT

1. Measure:
Small end free play
●
Out of specification → Replace the connecting
Crankshaft runout
●
Out of specification → Repair or replace.
Crank width
●
Out of specification → Repair or replace.
Small end free play
Runout
Crank width

CHECKING THE CRANKCASE BEARING

1. Inspect:
Crankshaft bearing
●
Rough spot/seizure → Replace.
4-14
ENG
rod, crank pin and bearing.
Standard Limit
― 1.0mm
― 0.03mm
45.8∼45.9mm ―