2005 YAMAHA YZ85 checking oil

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Page 20 of 508

YAMAHA YZ85 2005  Owners Manual EC0A0000
CONTENTS
CHAPTER 1
GENERAL INFORMATION
DESCRIPTION
........................................... 1-1
MACHINE IDENTIFICATION
..................... 1-2
IMPORTANT INFORMATION
....................

Page 39 of 508

YAMAHA YZ85 2005  Owners Manual GEN
INFO
1 - 8
SPECIAL TOOLS
YU-33975, 90890-01403 Steering nut wrench
This tool is used when tighten the steering ring nut to 
specification.YU-33975 90890-01403
YM-01434, 90890-01434 Rod holder
This

Page 168 of 508

YAMAHA YZ85 2005  Owners Manual 3 - 23
INSP
ADJ
DRIVE CHAIN SLACK ADJUSTMENT
4. Check:
Drive chain stiffness a 
Clean and oil the chain and hold as illus-
trated.
Stiff → Replace drive chain.
5PA30520
5. Install:
Drive chain 1

Page 398 of 508

YAMAHA YZ85 2005  Owners Manual 5 - 36
CHAS
19. Wait ten minutes until the air bubbles have
been removed from the front fork, and the
oil has dispense evenly in system before
setting recommended oil level.
NOTE:
Fill with the fork o

Page 454 of 508

YAMAHA YZ85 2005  Owners Manual 6 - 2
–+ELECIGNITION SYSTEM
EC620000
IGNITION SYSTEM
INSPECTION STEPS
Use the following steps for checking the possibility of the malfunctioning engine being attributable to
ignition system failure

Page 482 of 508

YAMAHA YZ85 2005  Owners Manual 7 - 9
TUNSETTING
Change of the heat range of spark plugs
Judging from the discoloration of spark plugs,
if they are found improper, it can be corrected
by the following two methods; changing carbu-
re