Crankcase and crankshaft eng

G-8

CRANKCASE AND CRANKSHAFT ENG

CRANKCASE AND CRANKSHAFT CRANKSHAFT REMOVAL

1. Remove:

• Crankshaft assembly

• Timing chain Ø

NOTE:

Before removing the crankshaft assembly, remove the timing chain from the crankshaft sprocket.

If the timing chain hooks to the crankshaft sprocket, the crankshaft cannot be removed.

CRANKSHAFT INSPECTION

1. Measure:

• Crankshaft run-out

Out of specification —(replace crankshaft and/or bearing.

NOTE:

Measure the crankshaft run-out with the crankshaft assembly running slowly

Run-out limit: 0.03mm

2. Measure

•

Order	Job name/part name	Quantity		Remarks
	Timing chain guide (intake)			Refer to “CRANKSHAFT INSTALLA-
	Screw
	Crankcase (right)
			TION” section
	Dowel pin
	Crankshaft assemtly		Refer to “CRANKSHAFT REMOVAL/
	Timing chain		INSTALLATION“ section
	Crankcase (left)
	Oil seal
Reverse the removal procedure for
installation

Big end side clearance

Out of specification —(replace big end bearing, crank pin and/or connecting rod.

Big end side clearance: 0.15 ~ 0.45 mm

3. Measure

• Crank width

Out of specification —(replace crankshaft

Crank width:

Дата добавления: 2014-12-23