TOHATSU MFS 4 Service Manual page 101

Loosen pivot adjust nut 5 and then pivot nut.
4.
Put thickness gauge 6 into valve clearance, and then,
5.
tighten pivot nut temporarily.
Tighten pivot adjust nut 7 to specified torque, and check
6.
valve clearance again.
Pivot Lock Nut 7 :
10 N · m (7 lb · ft) [1.0 kgf · m]
Torque Wrench :
Use commercially available item.
Thickness Gauge :
Use commercially available item.
· Perform inspection and adjustment of valve
clearances when engine is cold.
· After the adjustment, turn flywheel twice (top
dead center in compression stroke) to check
the clearance again.
Valve Clearance (when engine is cold) :
(IN) Intake Side c : 0.06 - 0.14 mm (0.0024 - 0.0055 in)
(EX) Exhaust Side d : 0.11 - 0.19mm (0.0043 - 0.0075 in)
Install cylinder head cover 2, and then, spark plug.
7.
Cylinder Head Cover2 :
6 N · m (4 lb · ft) [0.6 kgf · m]
Spark Plug :
18 N · m (13 lb · ft) [1.8 kgf · m]
4st 4/5/6 2011
5 5
6 6
7 7
2 2
5
5-15