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5-6
5
NOTICEECB03020Do not use oils with a diesel specifica-
tion of “CD” or oils of a higher quality
than specified. In addition, do not use
oils labeled “ENERGY CONSERVING II”
or higher.
Make sure that no foreign material en-
ters the oil tank. EBU35322TransmissionMake sure there is no oil leaking from the
transmission case.EBU31761CoolantCheck the coolant level in the reservoir and
replenish if necessary. (See page 8-36.)
EBU36020Final gearMake sure there is no oil leaking from the final
gear case.EBU36030Differential gearMake sure there is no oil leaking from the dif-
ferential gear case.EBU31791Accelerator pedalBefore starting the engine, confirm that the
accelerator pedal operates correctly. It
should depress smoothly and spring back to
the idle position when released. Also check
the accelerator pedal for excessive free play.
If the accelerator pedal is not in correct work-
ing order, have the vehicle inspected before
starting off.
Recommended engine oil type and quantity:
See page 10-1.
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8-22
8
11. Add 2.00 L (2.11 US qt, 1.76 Imp.qt) ofthe recommended engine oil to the oil
tank.
12. Check the O-ring for damage, and re- place it if necessary. 13. Install and tighten the engine oil tank filler
cap and the cylinder head cap.
14. Start the engine, warm it up for several minutes, and then turn it off.
15. Remove the engine oil tank filler cap, and then add sufficient oil of the recommend-
ed type to raise it to the maximum level
mark on the dipstick.Tightening torques:Engine oil drain bolt:10 N·m (1.0 kgf·m, 7.4 lb·ft)
Engine oil tank drain bolt: 16 N·m (1.6 kgf·m, 12 lb·ft)
1. Engine oil tank filler cap
2. O-ring
3. Cylinder head cap
3
2
1
2
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8-32
8
2. Remove the final gear oil filler bolt and itsgasket, and then check the oil level in the
final gear case. The oil level should be at
the brim of the filler hole.
3. If the oil is below the brim of the filler hole, add sufficient oil of the recommended
type to raise it to the correct level.
4. Check the gasket for damage, and re- place it if necessary. 5. Install the oil filler bolt and its gasket, and
then tighten the bolt to the specified
torque.
Changing the final gear oil 1. Park the vehicle on a level surface.
2. Place an oil pan under the final gear case
to collect the used oil.
3. Remove the final gear oil filler bolt, the fi-
nal gear oil drain bolt and their gasket to
drain the oil.1. Final gear oil
2. Gasket
3. Final gear oil filler bolt
4. Correct oil level
24
3
1
Tightening torque:Final gear oil filler bolt:23 N·m (2.3 kgf·m, 17 lb·ft)
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8-34
8
TIPIf the recommended gear oil is not available,
SAE 80W-90 API GL-4 or GL-5 hypoid gear
oil may be used instead. Checking the differential gear oil level1. Park the vehicle on a level surface.
2. Remove the differential gear oil filler bolt and its gasket, and then check the oil lev-
el. It should be up to the brim of the filler
hole. 3. If the level is low, add sufficient oil of the
recommended type to raise it to the
specified level.
4. Check the gasket for damage, and re- place it if necessary.
5. Install the differential gear oil filler bolt
and its gasket, and then tighten the bolt
to the specified torque.
Recommended oil:SAE 80 API GL-4 Hypoid gear oil
Oil quantity: 0.18 L (0.19 US qt, 0.16 Imp.qt)
1. Differential gear oil filler bolt
2. Gasket
3. Differential gear oil
4. Correct oil level
1
2
3
4
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8-40
8
TIPIf a torque wrench is not available when in-
stalling the spark plug, a good estimate of the
correct torque is 1/4–1/2 turn past finger tight.
However, the spark plug should be tightened
to the specified torque as soon as possible. NOTICEECB02900Do not use any tools to remove or install
the spark plug cap, otherwise the ignition
coil coupler may be damaged. The spark
plug cap may be difficult to remove be-
cause the rubber seal on the end of the cap
fits tightly. To remove the spark plug cap,
simply twist it back and forth while pulling
it out; to install it, twist it back and forth
while pushing it in.
EBU38320Air filter maintenanceThis model is equipped with two air filter ele-
ments, a primary foam-type air filter and a
secondary paper-type air filter.
The primary air filter is easily accessed and
should be cleaned and oiled every 300–600
km (200–400 mi).
The secondary air filter is more difficult to ac-
cess, cannot be cleaned, and should be re-
placed by a Yamaha dealer every 2000–5000
km (1200–3000 mi).1. Primary air filter
2. Secondary air filter
1
2
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8-44
8
9. Thoroughly apply Yamalube foam air filteroil (or other quality liquid foam air filter—
do not use a spray-type product) to the
foam material. The foam air filter element
should be wet but not dripping.
10. Pull the foam air filter element over its frame.
11. Install the air filter.
12. Install the air filter case cover and lock it
into place by turning the air filter case
cover lock clockwise.
TIPMake sure that the match mark on the cover
lock is aligned with the close match mark on
the air filter case cover. EBU35130Cleaning the air filter case check hosesThere is a check hose on each side of the air
filter case. If dust or water collects in a check
hose, empty the hose and clean the air filter
element and air filter case.1. Match mark
1
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9-2
9
7. Automotive-type wax may be applied toall painted and chrome-plated surfaces.
Avoid combination cleaner-waxes. Many
contain abrasives which may scratch the
paint or protective finish. When finished,
start the engine and let it idle for several
minutes.EBU32741StorageLong term storage (60 days or more) of your
vehicle will require some preventive proce-
dures to guard against deterioration. Make
any necessary repairs before storing the vehi-
cle.
After thoroughly cleaning the vehicle, prepare
for storage as follows:
1. Fill the fuel tank with fresh fuel and add the specified amount of Fuel Med Rx or
another high-quality fuel stabilizer prod-
uct. Follow the instructions on the prod- uct label. Operate the vehicle for at least
5 minutes to distribute treated fuel
through the fuel system.
2. Remove the spark plugs and pour one ta- blespoon of fresh engine oil into each cyl-
inder and then re-install the spark plugs.
Remove the spark plug wires and ground
them. Operate the electric starter to turn
the engine over several times and coat
the cylinder walls with oil.
3. Lubricate all control cables.
4. Put the frame on stands or blocks to raise all wheels off the ground.
5. Tie a plastic bag over the exhaust pipe outlet to prevent moisture from entering.
Specified amount:1 oz of stabilizer to each gallon of fuel (or
7.5 ml of stabilizer to each liter of fuel)
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10-2
10
Cooling system:Liquid cooled
Valve train: DOHC
Cylinder arrangement:
Inline
Number of cylinders: 3-cylinder
Displacement: 998 cm³
Bore × stroke:
80.0 × 66.2 mm (3.15 × 2.61 in)
Compression ratio: 11.3 : 1
Starting system: Electric starter
Lubrication system:
Dry sumpEngine oil:Recommended brand:YAMALUBE
SAE viscosity grades:
5W-30, 10W-30, 10W-40, 15W-40, 20W-40, 20W-50 Recommended engine oil grade:
API service SG type or higher, JASO standard MA
Quantity: Oil change:2.50 L (2.64 US qt, 2.20 Imp.qt)
With oil filter removal: 2.70 L (2.85 US qt, 2.38 Imp.qt)
Transmission oil:Recommended brand:YAMALUBE
Type: SAE 5W-30, 10W-30, 10W-40, 15W-40, 20W-40 or 20W-
50
Recommended transmission oil grade: API service SE, SF, SG type or higher, JASO standard
MA
Quantity: 1.50 L (1.59 US qt, 1.32 Imp.qt)0 10 30 50 70 90 110 130 F
–20 –10 0 10 20 30 40 50 CSAE 5W-30
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40SAE 20W-50
UB5H7AE0.book Page 2 Wednesday, July 4, 2018 1:37 PM