Yamaha RS90K Manuel D'atelier page 308

C
È
3
C
1
C
2
DRIVE CHAIN HOUSING
Ë
É
È
4-25
2. Inspect:
• Drive sprocket 1
• Forward driven sprocket 2
• Reverse driven gear 3
• Reverse drive gear 4
• Counter gear 5
• Journal 6
• Chain tensioner 7
Pitting/wear/damage → Replace.
• Drive chain 8
Wear/damage → Replace.
Shift → Clean or replace.
• Shift lever assembly 9
• Bearing (chain tensioner) 0
Pitting/damage → Replace the bearing and
the inner race holder as a set.
For the bearing replacement and drive chain
inspection, refer to
MODEL".
INSTALLATION
1. During installation, pay attention to the follow-
ing.
È Properly install the rubber seal onto the drive chain
housing, making sure that there are no gaps.
É Make sure that the bearing seals face towards the
drive chain as shown.
Be sure to install the spacers in their original
C C C
1 2 3
positions, otherwise the brake disc and jack-
shaft will stick.
Ë 0.2 ~ 0.7 mm (0.008 ~ 0.028 in)
: ESSO beacon 325 grease or Aeroshell grease
#7A
For the jackshaft and drive chain housing installa-
tion, refer to "SECONDARY SHAFT".
POWR
TR
"WITHOUT REVERSE