Yamaha XT660R S Service Manual page 315

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CRANKCASE
6. Fit the right crankcase onto the left crank-
case. Tap lightly on the case with a soft
hammer.
CAUTION:
_
Before installing and torquing the crank-
case bolts, be sure to check whether the
transmission is functioning properly by
manually rotating the shift drum in both
directions.
7. Install:
• lead holder 1
• crankcase bolts
È Left crankcase
É Right crankcase
8. Tighten:
• crankcase bolts
(follow the proper tightening sequence)
NOTE:
_
Tighten the bolts in stages, using a crisscross
pattern.
9. Apply:
• 4-stroke engine oil
(to the crankshaft pin, bearing, and oil deliv-
ery hole)
10.Check:
• crankshaft and transmission operation
Unsmooth operation → Repair.
11.Install:
• speed sensor
• neutral switch
• neutral switch screw
LT
ENG
10 Nm (1.0 m · kg, 7.2 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)
4 Nm (0.4 m · kg, 2.9 ft · lb)