2021 YAMAHA KODIAK 450 oil level

9-25
9
To change the final gear oil
1. Park the ATV on a level surface.
2. Remove the final gear case guard by remov- ing the bolts.
3. Place an oil pan under the final gear case to collect the used oil.
4. Remove the final gear oil filler bolt, the final gear oil drain bolt and their gasket to drain the
oil from the final gear case. 5. Install the drain bolt and its new gasket, and
then tighten the bolt to the specified torque.
6. Refill with the recommended final gear oil to the brim of the filler hole as shown. NOTICE:
Be sure no foreign material enters the final
gear case.
[ECB00422]
1. Final gear case guard
2. Bolt
1
2
1. Final gear oil drain bolt
2. GasketTightening torque: Final gear oil drain bolt:22 N

9-26
9
TIPIf the recommended oil is not available, SAE 80W-
90 API GL-5 Hypoid gear oil may be used instead.However, when using this oil, noise from the final
gear case may occur when applying the rear
brake.
7. Check the oil filler bolt gasket for damage,
and replace it if necessary.
8. Install the oil filler bolt and its gasket, and then tighten the bolt to the specified torque.
9. Check the final gear case for oil leakage. If oil is leaking, check for the cause.
10. Install the final gear case guard by installing the bolts, and then tightening them to the
specified torque.
1. Final gear oil filler bolt
2. Gasket
3. Final gear oil
4. Correct oil levelRecommended final gear oil:Yamaha Friction Modified Shaft Drive Gear Oil
Oil quantity: 0.38 L (0.40 US qt, 0.33 Imp.qt)1
2
3
4
Tightening torque: Final gear oil filler boltW22 N

9-28
91. Park the ATV on a level surface.
2. Place an oil pan under the differential gear
case to collect the used oil.
3. Remove the differential gear oil filler bolt, the differential gear oil drain bolt and their gas-
kets to drain the oil from the differential gear
case.
4. Install the drain bolt and its new gasket, and then tighten the bolt to the specified torque. 5. Refill with the specified amount of the recom-
mended differential gear oil. NOTICE: Be
sure no foreign material enters the differ-
ential gear case.
[ECB00412]
TIP Do not exceed the specified differential gear oil
quantity when filling. Overfilling will cause the oil
to seep out of the breather hose during and af-
ter riding.
 The differential gear case capacity is greater
than the recommended oil quantity, therefore
the oil level cannot be accurately checked from
the oil filler hole. 6. Check the oil filler bolt gasket for damage,
and replace it if necessary.
7. Install the oil filler bolt and its gasket, and then tighten the bolt to the specified torque.
8. Check the differential gear case for oil leak- age. If oil is leaking, check for the cause.
1. Differential gear oil drain bolt
2. GasketTightening torque:Differential gear oil drain bolt:10 N·m (1.0 kgf·m, 7.4 lb·ft)
12
Tightening torque:Differential gear oil filler bolt:23 N

11-3
11
Quantity:0.23 L (0.24 US qt, 0.20 Imp.qt) (YFM450FWBD)
0.35 L (0.37 US qt, 0.31 Imp.qt) (YFM450FWB)Coolant quantity:Radiator (including all routes):1.32 L (1.40 US qt, 1.16 Imp.qt)
Coolant reservoir (up to the maximum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)Air filter:Air filter element:Wet element
Air filter oil grade:
Foam air-filter oilFuel:Recommended fuel:Regular unleaded gasoline (Gasohol [E10] acceptable)
Minimum research octane:
91
Fuel tank capacity: 14 L (3.7 US gal, 3.1 Imp.gal)
Fuel reserve amount: 4.0 L (1.06 US gal, 0.88 Imp.gal)Throttle body:ID mark:BB51Spark plug (s):Manufacturer/model:
NGK/DR7EA
Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)
Drivetrain:Primary reduction ratio:1.000
Secondary reduction ratio:
7.944 (39/24 x 24/18 x 33/9)
Final drive: Shaft
Clutch type: Wet, centrifugal, shoe
Transmission type:
CVT automatic with reverse
Gear ratio: Transmission ratio:
2.550–0.750 : 1
Reverse gear: 1.706 (29/17)
Low range: 2.813 (45/16)
High range:
1.652 (38/23)Front tire:Size:AT25x8-12
Manufacturer/model:
CHENG SHIN/CU905Rear tire:Size:AT25x10-12
Manufacturer/model:
CHENG SHIN/CU906
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13-1
13
INDEX
AAccessories and loading ................................................ 7-5
Accessories, DC jack ...................................................5-24
Air filter, cleaning ......................................................... 9-33
Axle boots .................................................................... 9-47BBattery .......................................................................... 9-53
Brake fluid, changing ...................................................9-42
Brake fluid level, checking ........................................... 9-40
Brake lever free play, checking the front ..................... 9-42
Brake lever, front .......................................................... 5-14
Brake levers, checking and lubricating ........................ 9-49
Brake light switches ..................................................... 9-48
Brake pads and friction plates, checking ..................... 9-40
Brake pedal and rear brake lever ................................. 5-14
Brake pedal, checking and lubricating ........................ 9-50
Brakes .......................................................................... 9-39
Brakes, front and rear .................................................... 6-3
Brake/tail light bulb, replacing ..................................... 9-63CCables, checking and lubricating ................................. 9-49
Carrier, front ................................................................. 5-20
Carrier, rear .................................................................. 5-20
Chassis fasteners ........................................................... 6-7
Cleaning ....................................................................... 10-1
Coolant ................................................................. 6-3, 9-29
Coolant temperature warning light ................................. 5-2DDifferential gear lock, indicator (equipped models) ....... 5-4Differential gear oil ......................................................... 6-3
Differential gear oil, changing ...................................... 9-27
Display unit .................................................................... 5-4
Drive select lever .......................................................... 5-15
Drive select lever and driving in reverse ........................ 7-2
Drive shaft universal joint, lubricating .......................... 9-51
EEmissions Certification label (for Europe) .................... 12-1
Engine break-in .............................................................. 7-4
Engine oil ....................................................................... 6-3
Engine oil and oil filter cartridge .................................. 9-19
Engine stop switch ......................................................... 5-9
Engine trouble warning light .......................................... 5-3
EPS warning light (equipped models) ............................ 5-3FFinal gear oil ......................................................... 6-3, 9-24
Four-wheel drive indicator light ..................................... 5-4
Four-wheel drive switch (On-Command 4WD) ............ 5-11
Fuel ...................................................................... 5-17, 6-3
Fuel tank cap ............................................................... 5-16
Fuses, replacing ........................................................... 9-57HHandlebar switches ....................................................... 5-7
Headlight beam, adjusting ........................................... 9-62
Headlight bulb, replacing ............................................. 9-59
Horn switch .................................................................... 5-9IIdentification numbers ................................................... 1-1
Indicator lights and warning lights ................................. 5-1
UBEY60E0.book Page 1 Monday, July 27, 2020 10:46 AM