CRANKCASE AND CRANKSHAFT

CRANKCASE AND CRANKSHAFT

ENG

Extent of removal:

 

1 Crankcase separation

 

2 Crankshaft removal

 

 

 

 

 

 

 

 

 

 

 

Extent of removal

Order

Part name

Q’ty

 

Remarks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRANKCASE AND CRANK-

 

 

 

 

 

 

 

 

 

 

 

SHAFT REMOVAL

 

 

 

Preparation for removal

 

Engine

 

 

Refer to “ENGINE REMOVAL” section.

 

 

 

 

 

 

 

 

Piston

 

 

Refer to “CYLINDER AND PISTON” sec-

 

 

 

 

 

 

 

 

 

 

 

tion.

 

 

 

 

 

 

 

 

Kick shaft assembly

 

 

Refer to “KICK SHAFT AND SHIFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Segment

 

 

SHAFT” section.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stator

 

 

Refer to “AC MAGNETO AND

 

 

 

 

 

 

 

 

 

 

 

STARTER CLUTCH” section.

 

 

 

 

 

 

 

 

Balancer shaft

 

 

Refer to “BALANCER” section.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Timing chain guide (intake side)

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Timing chain

1

 

 

 

1

 

2

 

 

 

 

 

 

 

 

 

 

3

Oil delivery pipe 2

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 - 92

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Image 214
Yamaha WR250FM service manual Crankcase and Crankshaft, Crankcase and Crank Shaft Removal