TOHATSU MFS25 Service Manual page 145

Turn timing pulley t clockwise twice, and check that
8.
locating marks a and b, and c and d of pulleys t and y
are aligned with each other respectively.
Loosen belt tensioner u bolt.
9.
Turn timing pulley t approximately 25 degrees counterclockwise
10.
to move belt tensioner u until cam shaft pulley y shifts one
tooth (approximately 11 degrees). (Belt gets soft at port side.)
The above step prevents excessive tensioning
of belt tensioner and allows fixing of the
component to a properly adjusted position.
Tighten belt tensioner u bolt to specified torque.
11.
Belt Tensioner Bolt :
27 N·m ( 20 lb·ft ) [ 2.7 kg ]
Attach cap to belt tensioner u.
12.
25/30 2006
u
t
c
d 11°
u
t
25°
y
c
d
b
a
5
y
c
d
b
a
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