TOHATSU MFS 25D Service Manual page 182

Power Unit
Install the timing belt 6.
4.
• Be careful not to damage the timing belt
during installation.
• Do not twist, turn inside out, or sharply
bend the timing belt. Doing so may cause
damage.
• Be careful not to allow oil or grease to
adhere to the timing belt.
• Install the timing belt with the part number at the
top.
• Install the timing belt to the drive pulley and
then to the driven pulley.
5. Install the key 7 of the flywheel and the crankshaft holder
8 in the crankshaft.
When installing the crankshaft holder, align the
groove of the crankshaft holder with the key.
Crankshaft Holder 8:
P/N. 3BJ-72815-0
Tighten the bolt 9 of the driven pulley to the specified
6.
torque while immobilizing the crankshaft holder.
• Apply a screw locking agent (ThreeBond 1342)
to the thread area of the bolt.
• When tightening the driven pulley bolt, be
careful not to turn the driven pulley.
Driven Pulley Bolt 9:
11 N · m (8 lb · ft) [1.1 kgf · m]
Tighten the nut 4 of the drive pulley to the specified
7.
torque while immobilizing the crankshaft holder.
Drive Pulley Nut 4:
64 N · m (47 lb · ft) [6.4 kgf · m]
5-42
CAUTION
4st 25/30 2022