TOHATSU MFS 8B Service Manual page 120

6. Loosen rocker arm lock nut
so that valve clearances are within the specified range.
· Turning adjust screw
valve clearance smaller.
· Turning adjust screw
makes valve clearance larger.
Valve clearance driver
P/N. 3AC-99071-0
Torque wrench
P/N. 3AC-99070-0
Thickness gauge :
Use commercially available item.
7. Tighten rocker arm lock nut
check valve clearance again. Readjust if necessary.
Rocker arm lock nut
7 N · m (5 lb · ft) [0.7 kgf · m]
Valve Clearance (when engine is cold):
(IN) Intake valve
(EX) Exhaust valve
8. Rotate flywheel clockwise to bring "2" mark
pulley to "▲" mark
9. Check and adjust No. 2 cylinder's intake and exhaust valve
clearances. Adjust gap if it is out of specified range.
5-16
, and turn adjusting screw
clockwise makes
counterclockwise
:
:
to specified torque, and
:
: 0.13 - 0.17 mm (0.0051 - 0.0067 in)
: 0.18 - 0.22 mm (0.0071 - 0.0087 in)
of cam shaft
of cylinder head.
EX
EX
● 1 ( )
Mark
IN
IN
2( )
4st 8/9.8 2016