2004 YAMAHA GRIZZLY 660 belt

3-1
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION1. Rear shock absorber spring
preload adjusting ring
2. Storage compartment and tool
kit
3. Air filter case
4. Front brake fluid reservoir
5. Front shock absorber spring
preload adjusting ring
6. Rear brake fluid reservoir
7. Rear brake pedal
8. V-belt case drain plug
9. Radiator cap
10. Drive select lever
11. Fuel tank cap
12. Fuel cock
13. Fuses14. Battery
15. Engine oil dipstick
16. Recoil starter
17. Coolant reservoir
18. Drive select lever box check
hose
19. V-belt cooling duct check hose
20. Rear brake lever
21. Left handlebar switches
22. Horn
23. Speedometer unit
24. Main switch
25. Right handlebar switches
26. Throttle lever
27. Front brake lever
28. Auxiliary DC jack
29. Starter (choke)NOTE:The machine you have purchased may differ
slightly from those shown in the figures of this
manual.
EE.book Page 1 Tuesday, April 1, 2003 12:23 PM

7-65
1. Air filter case check hose
1. Flexible de contrôle du boîtier de filtre à air
1. Manguera de comprobación de la caja del filtro de aire
Test your brakes after leaving the water. Do not
continue to ride your ATV without verifying that
you have regained proper braking ability.CAUTION:_ After riding your ATV in water, be sure to drain
the trapped water by removing the check hose
at the bottom of the air filter case and the
check hose on the V-belt cooling duct. Wash
the ATV in fresh water if it has been operated in
salt water or muddy conditions. _
EE.book Page 65 Tuesday, April 1, 2003 12:23 PM

7-67 1. V-belt cooling duct check hose (left side)
1. Flexible de contrôle du conduit de refroidissement de la courroie
trapézoïdale (côté gauche)
1. Manguera de comprobación del conducto de enfriamiento de
la correa trapezoidal (Lado izquierdo)
1. Drive select lever box check hose
1. Flexible de contrôle du boîtier du levier de présélection
1. Manguera de comprobación de la caja de la palanca de selec-
ción de marcha
1. V-belt case drain plug
1. Boulon de vidange du carter de courroie trapézoïdale
1. Tapón de drenaje de la caja de la correa trapezoidal
EE.book Page 67 Tuesday, April 1, 2003 12:23 PM

8-7
EBU00262
PERIODIC MAINTENANCE/LUBRICATION
ITEM ROUTINEWhichever
comes firstINITIAL EVERY
km 320 1,200 2,400 2,400 4,800
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 elementClean.
Replace if necessary.Every 20–40 hours
(More often in wet or dusty areas.)
Carburetor*Check starter (choke) operation.
Adjust engine idling speed.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.Fuel line*Check fuel hose for cracks or damage.
Replace if necessary.Engine oil
Replace (Warm engine before draining).Engine oil filter cartridge
Replace.Final gear oil
Check oil level/oil leakage.
Replace.Differential gear oil
Front brake*Check operation/fluid leakage/see NOTE page 8-8.
Correct if necessary.Rear brake*Check operation/fluid leakage/see NOTE page 8-8.
Correct if necessary.V-belt*Check operation.
Check for cracks or damage.Wheels*Check balance/damage/runout.
Repair if necessary.EE.book Page 7 Tuesday, April 1, 2003 12:23 PM

8-83 1. V-belt cooling duct check hose (Left side)
1. Flexible de contrôle du conduit de refroidissement de la courroie
trapézoïdale (côté gauche)
1. Manguera de comprobación del conducto de enfriamiento de
la correa trapezoidal (Lado izquierdo)
1. V-belt case drain plug
1. Boulon de vidange du carter de la courroie trapézoïdale
1. Tapón de drenaje de la caja de la correa trapezoidal
EBU00874
V-belt cooling duct check hose
If dust or water collects in the V-belt cooling duct
check hose, remove the hose and clean it.
V-belt case drain plug
After riding in water deep enough to allow it to en-
ter the V-belt case, remove this plug to drain the
water from the case.NOTE:_ If water drains from the V-belt case after removing
the plug, have a Yamaha dealer inspect the ATV
as the water may affect other engine parts. _
EE.book Page 83 Tuesday, April 1, 2003 12:23 PM

10-4
Carburetor:
Type / quantity BSR42 / 1
Manufacturer MIKUNI
Spark plug:
Type/manufacturer DPR8EA-9 / NGK
Spark plug gap 0.8–0.9 mm
Clutch type: Wet, centrifugal automatic
Transmission:
Primary reduction system V-belt
Secondary reduction system Shaft drive
Secondary reduction ratio 41/21
× 24/18
× 33/9 (9.544)
Transmission type V-belt automatic
Operation Left hand operation
Reverse gear 25/17 (1.471)
Sub transmission ratio low 35/17 (2.058)
high 26/21 (1.238)
Chassis:
Frame type Steel tube frame
Caster angle 5°
Trail 26 mmModel YFM660F
EE.book Page 4 Tuesday, April 1, 2003 12:23 PM