2018 YAMAHA MT-03 clutch

Operation and important rid ing points
5-2
5
EAU67610
Startin g the en gine
In order for the ignition circuit cut-off
system to enable starting, one of the
following conditions must be met:
z The transmission is in the neutral
position.
z The transmission is in gear with
the clutch lever pulled and the
sidestand up.
See page 3-23 for more informa-
tion.
1. Turn the key to “ ” and make sure that the engine stop switch is
set to “ ”.
The engine trouble warning light
should come on for a few sec-
onds, then go off. NOTICE: If the
warnin g lig ht does not go off,
have a Yamaha dealer check its
electrical circuit.
[ECAT1121]
The ABS warning light should
come on when the main switch is
turned to “ON” and then go off af-
ter traveling at a speed 10 km/h (6
mi/h) or higher.
NOTICE
ECA17682
If the ABS warnin g lig ht does not
come on an d then g o off as ex-
plaine d a bove, see pa ge 3-2 for the
warnin g lig ht circuit check.
2. Shift the transmission into the
neutral position. The neutral indi-
cator light should come on. If not,
ask a Yamaha dealer to check the
electrical circuit.
3. Start the engine by pushing the start switch.
If the engine fails to start, release
the start switch, wait a few sec-
onds, and then try again. Each starting attempt should be as
short as possible to preserve the
battery. Do not crank the engine
more than 10 seconds on any one
attempt.
NOTICE
ECA11043
For maximum en
gine life, never ac-
celerate har d when the en gine is
col d!
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Operation and important ri din g points
5-3
5
EAU16673
Shiftin g
Shifting gears lets you control the
amount of engine power available for
starting off, accelerating, climbing hills,
etc.
The gear positions are shown in the il-
lustration.
TIP
To shift the transmission into the neu-
tral position, press the shift pedal down
repeatedly until it reaches the end of its
travel, and then slightly raise it.
NOTICE
ECA10261
zEven with the transmission in
the neutral position, d o not
coast for lon g period s of time
with the en gine off, an d d o not
tow the motorcycle for lon g d is-
tances. The transmission is
properly lu bricated only when
the en gine is runnin g. Ina de-
quate lu brication may damag e
the transmission.
z Always use the clutch while
chan gin g g ears to avoi d d am-
a g in g the en gine, transmission, an
d d rive train, which are not
d esi gne d to withstan d the
shock of force d shiftin g.
1. Shift pedal
2. Neutral position
11 2
2 3 4 5 6
N
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Periodic maintenance an d a djustment
6-4
6
EAU71372
General maintenance an d lu brication chart
NO. ITEM
1 *Dia
gnostic system
check • Perform dynamic inspection
using Yamaha diagnostic tool.
• Check the error codes. √√√√√√
2 *Air filter element • Replace. √√
3 Air filter case
check hose • Clean.
√√√√√
4Clutch • Check operation.
•Adjust. √√√√√
5 *Front brake • Check operation, fluid level,
and for fluid leakage.
• Replace brake pads if neces- sary. √√√√√√
6 *Rear brake • Check operation, fluid level,
and for fluid leakage.
• Replace brake pads if neces- sary. √√√√√√
7 *Brake hoses • Check for cracks or damage.
√√√√√
• Replace. Every 4 years
8 *Brake flui d • Change. Every 2 years
9 *Wheels • Check runout and for damage.
• Replace if necessary. √√√√
10 *Tires • Check tread depth and for
damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary. √√√√√
11 *Wheel bearin gs • Check bearing for looseness or
damage. √√√√
12 *Swin
garm pivot
b earin gs • Check operation and for exces-
sive play. √√√√
13 Drive chain • Check chain slack, alignment
and condition.
• Adjust and lubricate chain with a special O-ring chain lubricant
thoroughly. Every 800 km (500 mi) and after
washing the motorcycle, riding
in the rain or riding in wet areasX 1000 km
CHECK OR
MAINTENANCE JOB
X 1000 mi ODOMETER
READINGSANNUAL CHECK
1 10203040
0.6 6 12 18 24
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Periodic maintenance an d a djustment
6-5
6
14 *Steerin g b earin gs • Check bearing assemblies for
looseness. √√ √
• Moderately repack with lithium- soap-based grease. √√
15 *Chassis fasteners • Make sure that all nuts, bolts
and screws are properly tight-
ened. √√√√√
16 Brake lever pivot
shaft • Lubricate with silicone grease.
√√√√√
17 Brake ped
al pivot
shaft • Lubricate with lithium-soap-
based grease. √√√√√
18 Clutch lever pivot
shaft • Lubricate with lithium-soap-
based grease. √√√√√
19 Shift pe
dal pivot
shaft • Lubricate with lithium-soap-
based grease. √√√√√
20 Si destan d • Check operation.
• Lubricate with lithium-soap-
based grease. √√√√√
21 *Sidestan d switch • Check operation and replace if
necessary. √√√√√√
22 *Front fork • Check operation and for oil
leakage.
• Replace if necessary. √√√√
23 *Shock a
bsor ber
assem bly • Check operation and for oil
leakage.
• Replace if necessary. √√√√
24 En gine oil • Change (warm engine before
draining).
• Check oil level and vehicle for oil leakage. At the initial interval and
when the oil change indi-
cator flashes or comes on [every 5000km (3000 mi)]. √
25 En
gin
e oil filter
cartri dge • Replace.
√√√
26 *Coolin g system • Check coolant level and vehicle
for coolant leakage. √√√√√
• Change. Every 3 years
27 *Front an
d rear
b rake switches • Check operation.
√√√√√√
NO. ITEM
X 1000 km
CHECK OR
MAINTENANCE JOB
X 1000 mi
ODOMETER READINGS
ANNUAL CHECK
110203040
0.66121824
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Periodic maintenance an d a djustment
6-10
6
TIP
Make sure that the O-ring is properly
seated.
8. Install the new oil filter cartridge
with an oil filter wrench, and then
tighten it to the specified torque
with a torque wrench.
9. Install the engine oil drain bolt and its new gasket, and then tighten
the bolt to the specified torque.
TIP
Install the new gasket as shown.
10. Refill with the specified amount of the recommended engine oil, and
then install and tighten the oil filler
cap.
TIP
Be sure to wipe off spilled oil on any
parts after the engine and exhaust sys-
tem have cooled down.
NOTICE
ECA11621
zIn or der to prevent clutch slip-
pa ge (since the en gine oil also
lu bricates the clutch), do not
mix any chemical add itives. Do
not use oils with a d iesel speci-
fication of “CD” or oils of a hi gh-
er quality than specified . In
1. O-ring
1. Torque wrench
Tightenin g torque:
Oil filter cartridge: 17 N·m (1.7 kgf·m, 13 lb·ft)
1
1. Engine oil drain bolt
2. Gasket
Tightening torque:
Engine oil drain bolt: 20 N·m (2.0 kgf·m, 15 lb·ft)
Recommen ded en gine oil:
See page 8-1.
Oil quantity:
Oil change:1.80 L (1.90 US qt, 1.58 Imp.qt)
With oil filter removal:
2.10 L (2.22 US qt, 1.85 Imp.qt)
2
1
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Periodic maintenance an d a djustment
6-18
6
EAU33893
A djustin g the clutch lever free
play
Measure the clutch lever free play as
shown.
Periodically check the clutch lever free
play and, if necessary, adjust it as fol-
lows.
To increase the clutch lever free play,
turn the clutch lever free play adjusting
bolt at the clutch lever in direction (a).
To decrease the clutch lever free play,
turn the adjusting bolt in direction (b).
TIP
If the specified clutch lever free play
cannot be obtained as described
above, proceed as follows.
1. Fully turn the adjusting bolt at the
clutch lever in direction (a) to loos-
en the clutch cable.
2. Loosen the locknut at the crank- case. 3. To increase the clutch lever free
play, turn the clutch lever free play
adjusting nut in direction (a). To
decrease the clutch lever free
play, turn the adjusting nut in di-
rection (b).
4. Tighten the locknut.
1. Clutch lever free play adjusting bolt
2. Locknut
3. Clutch lever free play
Clutch lever free play: 10.0–15.0 mm (0.39–0.59 in)
3
(a)
1
2
(b)
1. Locknut
2. Clutch lever free play adjusting nut
2
(b)
(a)
1
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Periodic maintenance an d a djustment
6-26
6
EAU23144
Checkin g an d lu bricatin g the
b rake an d clutch levers
The operation of the brake and clutch
levers should be checked before each
ride, and the lever pivots should be lu-
bricated if necessary.
Brake lever
Clutch lever
EAU23203
Checkin g an d lu bricatin g the
si destan d
The operation of the sidestand should
be checked before each ride, and the
sidestand pivot and metal-to-metal
contact surfaces should be lubricated
if necessary.
WARNING
EWA10732
If the si destan d d oes not move up
an d d own smoothly, have a Yamaha
d ealer check or repair it. Otherwise,
the si destan d coul d contact the
g roun d an d d istract the operator, re-
sultin g in a possi ble loss of control.
Recommen ded lu bricants:
Brake lever: Silicone grease
Clutch lever: Lithium-soap-based grease
Recommen ded lu bricant:
Lithium-soap-based grease
UB9AE0E0.book Page 26 Thursday, March 23, 2017 2:48 PM

Specifications
8-1
8
Dimensions:
Overall length:2090 mm (82.3 in)
Overall width:
745 mm (29.3 in)
Overall height: 1135 mm (44.7 in)
Seat height: 780 mm (30.7 in)
Wheelbase:
1380 mm (54.3 in)
Ground clearance: 160 mm (6.30 in)
Minimum turning radius: 2.7 m (8.86 ft)
Wei ght:
Curb weight:
169 kg (373 lb)
Engine:
Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train: DOHC
Cylinder arrangement: Inline
Number of cylinders:
2-cylinder
Displacement: 321 cm³
Bore × stroke:
68.0 × 44.1 mm (2.68 × 1.74 in)
Compression ratio:
11.2 : 1
Starting system: Electric starter
Lubrication system: Wet sump
Engine oil:
Recommended brand:
YAMALUBE
SAE viscosity grades: 10W-40
Recommended engine oil grade: API service SG type or higher, JASO
standard MA Engine oil quantity:
Oil change:
1.80 L (1.90 US qt, 1.58 Imp.qt)
With oil filter removal: 2.10 L (2.22 US qt, 1.85 Imp.qt)
Coolant quantity:
Coolant reservoir (up to the maximum level
mark):0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes):
0.81 L (0.86 US qt, 0.72 Imp.qt)
Air filter:
Air filter element:Oil-coated paper element
Fuel:
Recommended fuel:
Regular unleaded gasoline (Gasohol [E10]
acceptable)
Fuel tank capacity:
14 L (3.7 US gal, 3.1 Imp.gal)
Fuel reserve amount: 3.0 L (0.79 US gal, 0.66 Imp.gal)
Fuel injection:
Throttle body:
ID mark: BR51 00
Spark plu g(s):
Manufacturer/model:
NGK/LMAR8A-9
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in)
Clutch:
Clutch type:Wet, multiple-disc
Drivetrain:
Primary reduction ratio:
3.043 (70/23)
Final drive: Chain
Secondary reduction ratio: 3.071 (43/14)
Transmission type:
Constant mesh 6-speed
Gear ratio: 1st:
2.500 (35/14)
2nd: 1.824 (31/17)
3rd: 1.348 (31/23)
UB9AE0E0.book Page 1 Thursday, March 23, 2017 2:48 PM