Checking The Rear Shock Absorber Assembly; Checking The Connecting Arm And Relay Arm; Installing The Relay Arm - Yamaha YZ 2018 Series Owner's Service Manual

2. Remove:
• Upper bearing "1"
TIP
Remove the bearing by pressing its outer race.
3. Remove:
• Lower bearing "1"
TIP
Remove the bearing by pressing its outer race.
EASB29B185
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Check:
• Rear shock absorber rod
Bends/damage  Replace the rear shock
absorber assembly.
• Rear shock absorber
Gas leaks/oil leaks  Replace the rear
shock absorber assembly.
• Spring
Damage/wear  Replace.
REAR SHOCK ABSORBER ASSEMBLY
• Spring guide
Damage/wear  Replace.
• Bearing
Damage/wear  Replace.
• Bolts
Bends/damage/wear  Replace.
EASB29B186
CHECKING THE CONNECTING ARM AND
RELAY ARM
1. Check:
• Connecting arm
• Relay arm
Damage/wear  Replace.
2. Check:
• Bearing
• Spacers
Damage/pitting/scratches  Replace the
bearings and spacers as a set.
3. Check:
• Oil seals
Damage/pitting  Replace.
EASB29B187

INSTALLING THE RELAY ARM

1. Lubricate:
• Oil seals
• Bearing
• Spacers
• Washers
• Collars
2. Install:
• Bearing "1"
• Washer "2"
• Oil seals "3"
(to relay arm "4")
1
a
4-59
Recommended lubricant
Molybdenum disulfide grease
New
Installed depth "a"
0 mm (0 in)
3
2
1
1
2
3
4
2
1
2
3