Suzuki RA410 Manual page 77

2) Coat special tool (F) surface with oil and place it on the shaft.
Special Tool
(F): 09991-06040
3) Install O-ring to case.
4) Apply A/C oil to lip seal and O-ring.
5) Install front head assembly.
1. Front head
2. O-ring
6) Tighten front head bolt.
Tightening Torque
(a):14 N·m (1.4 kg-m, 10.5 lb-ft)
(b):23 N·m (2.3 kg-m, 17.0 lb-ft)
NOTE:
Be sure to use new front head bolt washer.
Tighten bolt (a) first, and next (b).
1. Front head
AIR CONDITIONING (OPTIONAL) 1B-25