TRANSMISSION
5-79
EASB29B291
CHECKING THE SHIFT DRUM ASSEMBLY
1. Check:
• Shift drum groove
Damage/scratches/wear
Replace the
shift drum assembly.
• Shift drum segment “1”
Damage/wear
Replace the shift drum as-
sembly.
EASB29B292
CHECKING THE TRANSMISSION
1. Measure:
• Main axle runout
(with a centering device and dial gauge “1”)
Out of specification
Replace the main ax-
le.
2. Measure:
• Drive axle runout
(with a centering device and dial gauge “1”)
Out of specification
Replace the drive ax-
le.
3. Check:
• Transmission gears
Blue discoloration/pitting/wear
Replace
the defective gear (s).
• Transmission gear dogs
Cracks/damage/rounded edges
Replace
the defective gear (s).
4. Check:
• Transmission gear movement
Rough movement
Replace the defective
gear (s).
EASB29B293
INSTALLING THE TRANSMISSION
1. Install:
• 6th pinion gear (27T) “1”
• 3rd/4th pinion gear (18T/21T) “2”
• Collar “3”
• 5th pinion gear (23T) “4”
• 2nd pinion gear (16T) “5”
(to the main axle “6”)
TIP
Before installation, apply molybdenum disulfide
oil to the inner and end surface of the idler gear
and to the inner surface of the sliding gear, then
install.
Main axle runout limit
0.08 mm (0.0032 in)
Drive axle runout limit
0.08 mm (0.0032 in)
3
4
2
1
6
5
M
Summary of Contents for YZ 2017 Series
Page 6: ...EASB916006 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Page 10: ......
Page 63: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 22...
Page 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Page 72: ...CABLE ROUTING DIAGRAM 2 31 EASB29B065 CABLE ROUTING DIAGRAM...
Page 74: ...CABLE ROUTING DIAGRAM 2 33...
Page 76: ...CABLE ROUTING DIAGRAM 2 35...
Page 78: ...CABLE ROUTING DIAGRAM 2 37...
Page 80: ...CABLE ROUTING DIAGRAM 2 39...
Page 82: ...CABLE ROUTING DIAGRAM 2 41...
Page 84: ...CABLE ROUTING DIAGRAM 2 43...
Page 86: ...CABLE ROUTING DIAGRAM 2 45...
Page 198: ...CHAIN DRIVE 4 70...
Page 262: ...OIL PUMP AND BALANCER GEAR 5 61 a 2 10 b 2 9 1 b 5 3 a 4 10 5 9 3 E c d 6 7 8 8 b 6...
Page 319: ...CHARGING SYSTEM 8 15...
Page 327: ...COOLING SYSTEM For JPN 8 23...
Page 359: ...FUEL PUMP SYSTEM 8 55...
Page 360: ...ELECTRICAL COMPONENTS 8 56 EASB29B345 ELECTRICAL COMPONENTS EASB29B346 9 10 11 1 3 2 4 5 6 7 8...
Page 362: ...ELECTRICAL COMPONENTS 8 58 11 10 9 2 3 1 6 7 8 4 5...
Page 364: ...ELECTRICAL COMPONENTS 8 60 EASB29B347 CHECKING THE SWITCHES 4 1 3 2 B B Sb B B B B B B B B...