2018 YAMAHA NMAX 125 Chassis

For your safety – pre-operation checks
4-2
4
Control cables • Make sure that operation is smooth.
• Lubricate if necessary. 6-27
Wheels an d tires •Check for damage.
• Check tire condition and tread depth.
• Check air pressure.
• Correct if necessary. 6-20,
6-22
Brake levers • Make sure that operation is smooth.
• Lubricate lever pivoting points if necessary.
6-28
Centerstan d, si de-
stan d • Make sure that operation is smooth.
• Lubricate pivots if necessary.
6-28
Chassis fasteners • Make sure that all nuts, bolts and screws are properly
tightened.
• Tighten if necessary. —
Instruments, li ghts,
si gnals an d switches • Check operation.
• Correct if necessary.
—
Si destan d switch • Check operation of ignition circuit cut-off system.
• If system is not working correctly, have Yamaha dealer
check vehicle. 3-17
ITEM CHECKS PAGE
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Periodic maintenance an d a djustment
6-4
6
EAU71361
General maintenance an d lu brication chart
NO. ITEM
1 *Dia
gnostic system
check • Perform dynamic inspection us-
ing Yamaha diagnostic tool.
• Check the error codes. √√√√√√
2 *Air filter element • Replace. Every 18000 km (10500 mi)
3 Air filter case
check hose • Clean.
√√√√√
4 *V-
belt case air fil-
ter element • Clean.
• Replace if necessary.
√√√√√
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 dam-
age.
• Replace if necessary.
• Check air pressure.
• Correct if necessary. √√√√√
11 *Wheel bearin gs • Check bearing for looseness or
damage. √√√√
12 *Steerin g b earin gs • Check bearing assemblies for
looseness. √√√√
• Moderately repack with lithium- soap-based grease. √
13 *Chassis fasteners • Make sure that all nuts, bolts
and
screws are properly tight-
ened. √√√√√
X 1000 km
CHECK OR
MAINTENANCE JOB
X 1000 mi ODOMETER
READINGANNUAL CHECK
1 6 12 18 24
0.6 3.5 7 10.5 14
UBV3E0E0.book Page 4 Monday, September 26, 2016 3:42 PM

Specifications
8-1
8
Dimensions:
Overall length:1955 mm (77.0 in)
Overall width:
740 mm (29.1 in)
Overall height: 1115 mm (43.9 in)
Seat height: 765 mm (30.1 in)
Wheelbase:
1350 mm (53.1 in)
Ground clearance: 135 mm (5.31 in)
Minimum turning radius: 2.0 m (6.56 ft)
Wei ght:
Curb weight:
127 kg (280 lb)
Engine:
Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train: SOHC
Number of cylinders: Single cylinder
Displacement:
125 cm³ (GPD125-A)
155 cm³ (GPD150-A)
Bore × stroke:
52.0 × 5 8 . 7 m m (2 . 0 5 × 2.31 in) (GPD125-A)
58.0 × 5 8 . 7 m m (2 . 2 8 × 2.31 in) (GPD150-A)
Compression ratio:
10.5 : 1 (GPD150-A)
11.2 : 1 (GPD125-A)
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 or MB Engine oil quantity:
Oil change:
0.90 L (0.95 US qt, 0.79 Imp.qt)
Final transmission oil:
Type: Motor oil SAE 10W-30 type SE or higher or
Gear oil SAE 85W GL-3
Quantity: 0.15 L (0.16 US qt, 0.13 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):
0.46 L (0.49 US qt, 0.40 Imp.qt)
Air filter:
Air filter element:Oil-coated paper element
Fuel:
Recommended fuel:Regular unleaded gasoline (Gasohol [E10]
acceptable)
Fuel tank capacity: 6.6 L (1.7 US gal, 1.5 Imp.gal)
Fuel reserve amount: 1.4 L (0.37 US gal, 0.31 Imp.gal)
Fuel injection:
Throttle body:ID mark:
2DS1 00
Spark plu g(s):
Manufacturer/model:
NGK/CPR8EA-9
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)
Clutch:
Clutch type:Dry, centrifugal, shoe
Drivetrain:
Primary reduction ratio:1.000
Final drive: Gear
Secondary reduction ratio:
10.208 (56/16 x 35/12)
Transmission type: V-belt automatic
Chassis:
Frame type:
Underbone
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