5-3 
1
2
3
45
6
7
8
9
10
11
 
EBU19550 
Fuel and 2-stroke engine oil mixing 
ratio  
If Yamalube “R” oil is not available, select an oil
from the following list.
CAUTION:
 
ECB00140  
Never mix two types of 2-stroke engine oil in
the same batch. Always use the same type of 
oil to ensure maximum engine performance. 
EBU19580 
Transmission oil  
Make sure that the transmission oil is at the speci-
fied level. Add oil as necessary. (See page 8-10.) 
EBU19630 
Coolant  
Make sure that the coolant is at the specified level.
Add coolant as necessary. (See page 8-12.)
NOTE:
 
The coolant level must be checked on a cold en-
gine since the level varies with engine tempera- 
ture.WARNING
 
EWB00510  
Wait for the engine and radiator to cool before
removing the radiator cap. You could be
burned by hot fluid and steam blown out under
pressure. Always put a thick rag over the cap
when opening. Allow any remaining pressure 
to escape before completely removing the cap. 
EBU19710 
Front and rear brakes  
Brake lever and brake pedal 
 
Check that there is no free play in the brake le-
ver. If there is free play, have a Yamaha dealer
check the brake system. 
 
Check for correct brake pedal height. (See Recommended 2-stroke engine oil:
Yamalube “R” (Yamalube Racing 2-cycle oil)
Mixing ratio:
24:1 
Recommended 2-stroke engine oil Mixing ratio
 
Castrol R30
20:1 Castrol A545
Castrol A747 
 
M 
Main switch .....................................................................4-1
Maintenance and lubrication chart ..................................8-5
Maintenance chart, emission control system ..................8-3
Model label....................................................................11-2 
O 
Owner’s manual and tool kit............................................8-1 
P 
Parking ............................................................................6-5
Parking brake ..................................................................4-5
Parking brake free play, adjusting.................................8-36
Parking on a slope ..........................................................6-6
Part locations ..................................................................3-1
Pre-operation check list ..................................................5-1 
R 
Riding your ATV ..............................................................7-1 
S 
Safety information ...........................................................1-1
Seat...............................................................................4-11
Shifting ............................................................................6-3
Shift pedal .......................................................................4-7
Shock absorber assemblies, adjusting the front ...........4-12
Shock absorber assembly, adjusting the rear ...............4-13
Spark arrester, cleaning ................................................8-20
Spark plugs, checking .....................................................8-8
Specifications ................................................................10-1
Speed limiter ...................................................................4-3
Starter (choke) ..............................................................4-10
Steering shaft, lubricating .............................................8-45
Storage ...........................................................................9-2Suspension, lubricating the upper and lower arm 
pivots ......................................................................... 8-44
Suspension relay arm and connecting arm pivoting 
points, lubricating the rear ......................................... 8-43 
T 
Tail/brake light bulb, replacing ..................................... 8-48
Throttle cable free play, adjusting ................................ 8-31
Throttle lever ...........................................................4-2 
,  
5-4
Throttle OverRide System.............................................. 4-3
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit................................................................. 5-6
Transmission oil ....................................................5-3 
,  
8-10
Troubleshooting ........................................................... 8-51
Troubleshooting charts ................................................ 8-52 
V 
Vehicle identification number ....................................... 11-1 
W 
Wheel hub bearings, checking ..................................... 8-43
Wheel, installing ........................................................... 8-50
Wheel, removing .......................................................... 8-49