TOHATSU NB-1000 Service Manual page 102

SECTION 4
Inspection
1. Inspect flywheel for cracks, chips, and damaged taper.
2. Inspect crankshaft for thread damage and damaged taper.
3. lnspect flywheel key and keyway for damage.
Installation
Ignition system must be disabled to prevent
accidental engine startup during installation of
the flywheel.
1. Remove all grease from tapered portion of flywheel and crankshaft
with solvent.
2. Check flywheel key is inserted in crankshaft.
6
3. Align flywheel keyway and install on crankshaft. lnstall the flywheel
washer.
4. Install puller arm (1) on flywheel using bolts (2). Hold puller
7
arm and torque flywheel nut to specification.
5. For 2.5, 3.5 and 5 models, install the integral fuel tank.
6. Install recoil starter.
Model
2.5 - 3.5
5
8 / 9.8
9.9 / 15 / 18
25 / 30
40
4-22
WARNING
Flywheel Torque
347 - 391 in-lb
39 - 44 N-m
4 - 4.5 kg-m
434 - 521 in-lb
49 - 59 N-m
5 - 6 kg-m
434 - 521 in-lb
49 - 59 N-m
5 - 6 kg-m
608 - 783 in-lb
69 - 88 N-m
7 - 9 kg-m
1043 - 1217 in-lb
118 - 137 N-m
12 - 14 kg-m
1043 - 1217 in-Ib
118 - 137 N-m
12 - 14 kg-m
T2018
T2019
1-/ 2-Cylinder