Yamaha MIO Service Manual page 116

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1
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CYLINDER HEAD
5. Install
• timing chain tensioner
M MMM M MMM M M MMM
a. Remove the plug cap.
b. While lightly pressing the timing chain ten-
sioner rod by hand, turn the tensioner rod
fully clockwise with a thin screwdriver 1.
NOTE:
Make sure that the tensioner rod has been fully
set clockwise.
c. Install the gasket and the timing chain ten-
sioner 2 onto the cylinder.
WARNING
Always use a new gasket.
Timing chain tensioner bolt
9 Nm (0.9 m · kg, 6.5 ft · lb)
d. Turn the timing chain tensioner rod counter-
clockwise with a thin screwdriver 1, make
sure it releases, and then install the plug
cap.
L LLL L LLL L L LLL
6. Tighten:
• camshaft sprocket bolt
CAUTION:
_
Be sure to tighten the camshaft sprocket
bolt to the specified torque to avoid the
possibility of the bolt coming loose and
damaging the engine.
7. Turn:
• crankshaft
(several turns clockwise)
4 - 14
ENG
M M MMM M M MMM M
L L LLL L L LLL L
30 Nm (3.0 m · kg, 22 ft · lb)
M MMM M MMM
L LLL L LLL