Yamaha SIGMA-G5SII Service Information page 162

(9) Wipe off old grease on the retainer section inside the outer casing using a rag, etc.,
dipped in alcohol.
(Clean all 15 locations).
* Material which does not leave any fiber residue should be used for the rag.
* The width of the rag should be 6 to 7 mm. A rag cut to the length of 130mm should
be prepared. (Refer to the following figure)
Reference: Cleaning Tools
Service Information
Rag
Stretch both sides of the rag by
hand.
Fig.D77
SI1705004E-00=SIGMA-G5SII Service Manual
162/273
For Service Engineer
Hexagon Wrench
Long 1.5 mm