2007 YAMAHA RHINO 660 cooling

How to measure tire pressure .............5-33
Tire wear limit......................................5-35
OPERATION ............................................6-1
Starting a cold engine ...........................6-3
Starting a warm engine .........................6-9
Jump-starting ........................................6-9
Warming up.........................................6-13
Drive select lever operation and
reverse driving ..................................6-15
Engine break-in ...................................6-21
Parking ................................................6-25
Parking on a slope ..............................6-25
Accessories and loading .....................6-29
DRIVING YOUR VEHICLE .......................7-1
Getting to know your vehicle .................7-1
Learning to operate your vehicle...........7-9
Turning your vehicle............................7-13
Braking ................................................7-15
Going uphill .........................................7-17
Going downhill ....................................7-21
Crossing through shallow water ..........7-27
Riding over rough terrain ....................7-33
Riding in brush or wooded areas ........7-35
Encountering obstacles on the trail .....7-37
67
PERIODIC MAINTENANCE AND
ADJUSTMENT ......................................... 8-1
Owner’s manual and tool kit ................. 8-3
Periodic maintenance/lubrication.......... 8-7
Hood ................................................... 8-17
Console .............................................. 8-21
Engine oil and oil filter cartridge ......... 8-23
Final gear oil ....................................... 8-35
Differential gear oil.............................. 8-41
Coolant ............................................... 8-47
Axle boots ........................................... 8-51
Spark plug inspection ......................... 8-53
Cleaning the air filter elements ........... 8-61
V-belt cooling duct check hose ........... 8-73
V-belt case drain plug ......................... 8-75
Cleaning the spark arrester ................ 8-77
Carburetor adjustment ........................ 8-81
Idle speed adjustment ........................ 8-83
Valve clearance .................................. 8-85
Front brake pad check ........................ 8-87
Rear brake pad check ........................ 8-89
Checking the brake fluid level............. 8-89
Brake fluid replacement ...................... 8-93
Checking the brake pedal ................... 8-95
Parking brake lever free play
adjustment ........................................ 8-97
Brake light switch adjustment ........... 8-101
8
EE.book Page 2 Friday, October 6, 2006 3:36 PM

6-23
0–10 hours:
Avoid continuous operation above half throttle. Al-
low a cooling off period of five to ten minutes after
every hour of operation. Vary the speed of the ve-
hicle from time to time. Do not operate it at one set
throttle position.
10–20 hours:
Avoid prolonged operation above 3/4 throttle. Rev
the vehicle freely but do not use full throttle at any
time.
After break-in:
The vehicle can now be operated normally.
EE.book Page 23 Friday, October 6, 2006 3:36 PM

7-29 1. Air filter case check hose
1. Tube de vidange du boîtier de filtre à air
1. Tubo de vaciado de la caja del filtro de aire
1. V-belt cooling duct check hose
1. Tube de vidange du conduit de refroidissement de la courroie trapé-
zoïdale
1. Tubo de vaciado del conducto de refrigeración de la correa tra-
pezoidal
CAUTION:_ After riding your vehicle in water, be sure to
drain the trapped water by removing the check
hose at the bottom of the air filter case, the V-
belt cooling duct check hose, the drive select
lever box check hose and the V-belt case drain
plug. Wash the vehicle in fresh water if it has
been operated in salt water or muddy condi-
tions. _
EE.book Page 29 Friday, October 6, 2006 3:36 PM

8-7
EVU00671
PERIODIC MAINTENANCE/LUBRICATION
NOTE:

For vehicles not equipped with an odometer or hour meter, follow the month maintenance intervals.


For vehicles equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals.
However, keep in mind that if the vehicle isn’t used for a long period of time, the month maintenance intervals
should be followed.


Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and
technical skills.
ITEM ROUTINEWhichever
comes firstINITIAL EVERY
month136612
km
(mi)320
(200)1,200
(750)2,400
(1,500)2,400
(1,500)4,800
(3,000)
hours 20 75 150 150 300
Valves*Check valve clearance.
Adjust if necessary.
Cooling systemCheck coolant leakage.
Repair if necessary.
Replace coolant every 24 months.Spark plugCheck condition.
Adjust gap and clean.
Replace if necessary.Air filter elements
(engine and air intake duct)Clean.
Replace if necessary.Every 20–40 hours
(More often in wet or dusty areas.)
Carburetor*Check idle speed/starter operation.
Adjust if necessary.Crankcase breather
system*Check breather hose for cracks or damage.
Replace if necessary.Exhaust system*Check for leakage.
Tighten if necessary.
Replace gasket(s) if necessary.Spark arresterClean.EE.book Page 7 Friday, October 6, 2006 3:36 PM

8-73 1. V-belt cooling duct check hose
1. Tube de vidange du conduit de refroidissement de la courroie trapé-
zoïdale
1. Tubo de vaciado del conducto de refrigeración de la correa tra-
pezoidal
EVU00770
V-belt cooling duct check hose
The V-belt cooling duct check hose is located un-
der the driver seat. (See page 4-45 for seat remov-
al and installation procedures.)
If dust or water collects in the V-belt cooling duct
check hose, remove the hose and clean it.
EE.book Page 73 Friday, October 6, 2006 3:36 PM

8-140
Engine overheatingNOTE:_ If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that it is
changed to the recommended coolant as soon as possible. _
WARNING
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.Wait until the
engine has cooled.
Check the coolant level in the
coolant reservoir and/or radiator.
Level is OK.Level is low, check the
cooling system for leakage.
No
leakage.Leakage.
Ask a Yamaha dealer to inspect
and repair the cooling system.Add coolant. (See NOTE.)
Restart the engine. If the engine overheats again, ask a
Yamaha dealer to inspect and/or repair the cooling system.
EE.book Page 140 Friday, October 6, 2006 3:36 PM