Note

You cannot measure end gap on expander spacer of oil control ring. If oil control ring rails show excessive gap, replace all three rings.

End Gap:

Top ring

0.20 - 0.40 mm

(0.008 - 0.016 in)

2nd ring

0.20 - 0.40 mm

(0.008 - 0.016 in)

Oil ring

0.30-0.90 mm

(0.012 - 0.036 in)

PISTON PIN

1. Inspect: •Piston pin Blue discoloration/Grooves-inspect lubrication system.

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•Outside diameter (a) (piston pin): Out of specification -»Replace.

Outside diameter (piston pin): 18.990-18.995 mm (0.75 in)

Outside diameter (piston pin): 18.990-18.995 mm (0.75 in)

3. Measure:

•Piston pin-to-piston clearance Out of specification-»Replace piston.

Piston pin-to-piston clearance = Bore size (piston pin) (§) -Outside diameter (piston pin) (a)

Piston pin-to-piston clearance: 0.014-0.02 mm (0.0006 - 0.0008 in) < Limit: 0.07 mm (0.003 in)>

CRANKSHAFT/CONNECTING ROD

1. Measure:

•Crank width (§) Out of specification-»Replace crankshaft.

Crank width: 58.95 - 59.00 mm (2.321-2.323 in)

•Runout (D Out of specification -»Replace crankshaft and/or bearing.

Less than 0.06 mm (0.002 in)

•Small end free play © Out of specification-»Replace big end bearing, crank pin and/or connecting rod.

0.8-1.0 mm (0.031-0.039 in)

•Side clearance (B) Out of specification -»Replace connecting rod.

Big end side clearance: 0.35 - 0.85 mm (0.014-0.033 in)

ELECTRIC STARTER DRIVES

1. Inspect:

•Roller 0 operation Unsmooth operation-»Replace one-way clutch.

Replacement points:

• Tighten the bolts to specification.

Bolts (starter clutch): (2) 30 Nm (3.0 m-kg, 22 ft-lbi Apply LOCTITE®

• Calk the end of the bolts using a punch.

2. Inspect:

• Starter wheel gear teeth 0

• Idle gear teeth (2) Burrs/Chips/Roughness/Wear-» Replace.

3. Inspect:

•Contacting surfaces Pitting/Wear/ Damage-» Replace.

•Starter clutch operation

Clutch operation checking steps:

• Install the starter wheel gear to the starter clutch, and hold the starter clutch.

• When turning the wheel gear clockwise 0, the starter clutch and the wheel gear should be engaged.

If not, the starter clutch is faulty. Replace it.

• When turning the wheel gear counterclockwise (2), the wheel gear should turn freely.

If not, the starter clutch is faulty. Replace it.

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