Yamaha WR45OFR service manual Bolt crankcase

CRANKCASE AND CRANKSHAFT

ENG

5.Install:

●Dowel pin 1

●O-ring 2 New

●Crankcase (right) To crankcase (left).

NOTE:

●Fit the crankcase (right) onto the crankcase (left). Tap lightly on the case with soft ham- mer.

●When installing the crankcase, the connect- ing rod should be positioned at TDC (top dead center).

6.Tighten:

●Hose guide 1

●Clutch cable holder 2

●Bolt (clutch cable holder)

T .

R .

10 Nm (1.0 m · kg, 7.2 ft · lb)

●Bolt (crankcase)

T .

R .

12 Nm (1.2 m · kg, 8.7 ft · lb)

NOTE:

Tighten the crankcase tightening bolts in stage, using a crisscross pattern.

7.Install:

●Oil delivery pipe

●O-ring New

●Bolt (oil delivery pipe)

T .

R .

10 Nm (1.0 m · kg, 7.2 ft · lb)

8.Install:

●Timing chain

●Timing chain guide (rear)

●Bolt (timing chain guide)

T .

R .

10 Nm (1.0 m · kg, 7.2 ft · lb)

9.Remove:

●Sealant

Forced out on the cylinder mating surface.

10.Apply:

●Engine oil

To the crank pin, bearing and oil deliv- ery hole.

11.Check:

●Crankshaft and transmission operation. Unsmooth operation → Repair.

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