cooling YAMAHA WOLVERINE 450 2008 User Guide

8-57
8Engine overheating
WARNING
EWB02290Wait 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.NOTE:If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the rec-ommended coolant as soon as possible.Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer check
and repair the cooling system.Add coolant. (See NOTE.)
Start the engine. If the engine overheats again, have a
Yamaha dealer check and repair the cooling system.
There is
leakage.
There is
no leakage.
U3C262E0.book Page 57 Tuesday, June 26, 2007 3:36 PM

10-2
10
Engine oil quantity:
Without oil filter cartridge replacement:
2.30 L (2.43 US qt) (2.02 Imp.qt)
With oil filter cartridge replacement:
2.40 L (2.54 US qt) (2.11 Imp.qt)Final gear oil:Type:
SAE80 API GL-4 Hypoid gear oil
Quantity:
0.23 L (0.24 US qt) (0.20 Imp.qt)Differential gear oil:Type:
SAE80 API GL-4 Hypoid gear oil
Quantity:
0.35 L (0.37 US qt) (0.31 Imp.qt)Cooling system:Coolant reservoir capacity (up to the maximum level mark):
0.25 L (0.26 US qt) (0.22 Imp.qt)
Radiator capacity (including all routes):
1.32 L (1.40 US qt) (1.16 Imp.qt)Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
14.5 L (3.83 US gal) (3.19 Imp.gal)
Fuel reserve amount:
4.5 L (1.19 US gal) (0.99 Imp.gal)
Carburetor:Manufacturer:
MIKUNI
Type x quantity:
BSR33 x 1Spark plug (s):Manufacturer/model:
NGK/DR8EA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, centrifugal automaticTransmission:Primary reduction system:
V-belt
Secondary reduction system:
Shaft drive
Secondary reduction ratio:
39/24 × 24/18 × 33/9 (7.944)
Transmission type:
V-belt automatic
Operation:
Left hand operation
Forward gear:
38/23 (1.652)
Reverse gear:
29/17 (1.706)Chassis:Frame type:
Steel tube frame
U3C262E0.book Page 2 Tuesday, June 26, 2007 3:36 PM

KKey identification number ............................................. 11-1LLabel locations ............................................................... 2-1
Light switch .................................................................... 4-5MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2NNeutral indicator light ..................................................... 4-2OOn-Command four-wheel-drive switch ........................... 4-5
Owner’s manual and tool kit ........................................... 8-1PPark indicator light ......................................................... 4-3
Parking ........................................................................... 6-5
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1
Pre-operation check list ................................................. 5-1RReverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 1-1
Seat .............................................................................. 4-12
Shock absorber assemblies, adjusting the front .......... 4-14
Shock absorber assembly, adjusting the rear .............. 4-16
Spark arrester, cleaning ............................................... 8-34
Spark plug, checking .................................................... 8-15Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-7
Speedometer unit .......................................................... 4-3
Starter (choke) ............................................................. 4-12
Start switch .................................................................... 4-5
Steering shaft, lubricating ............................................ 8-46
Storage .......................................................................... 9-2
Storage compartment .................................................. 4-13
TTail/brake light bulb, replacing ..................................... 8-52
Throttle cable free play, adjusting ................................ 8-37
Throttle lever ........................................................... 4-6, 5-5
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit ................................................................ 5-7
Troubleshooting ........................................................... 8-55
Troubleshooting charts ................................................ 8-56VValve clearance ........................................................... 8-38
V-belt case drain plug .................................................. 8-35
V-belt cooling duct check hose .................................... 8-35
Vehicle identification number ....................................... 11-1WWheel hub bearings, checking ..................................... 8-46
Wheel, installing ........................................................... 8-54
Wheel, removing .......................................................... 8-53
U3C262E0.book Page 2 Tuesday, June 26, 2007 3:36 PM