2017 YAMAHA TRICITY engine coolant

Periodic maintenance and adjustment
6-36
6 Engine overheating
WARNING
EWAT1041
zDo not remove the radiator cap when the engine and radiator are hot.
Scalding hot fluid and steam may be blown out under pressure, which
could cause serious injury. Be sure to wait until the engine has cooled.
zPlace a thick rag, like a towel, over the radiator cap, and then slowly ro-
tate the cap counterclockwise to the detent to allow any residual pres-
sure to escape. When the hissing sound has stopped, press down on the
cap while turning it counterclockwise, and then remove the cap.
TIP
If coolant is not available, tap water can be temporarily used instead, provided
that it is changed to the recommended coolant as soon as possible.
Wait until the engine
has cooled.
Check the coolant
level in the reservoir
and radiator.Add coolant.
(See TIP.)
The coolant level is
OK.
There is no leakage.
There is leakage.
The coolant level is
low.
Check the cooling
system for leakage.
Have a Yamaha
dealer check and
repair the cooling
system.
Start the engine. If the engine overheats again,
have a Yamaha dealer check and repair the cooling
system.
UBR7E0E0.book Page 36 Tuesday, October 25, 2016 2:44 PM

Specifications
8-1
8
Dimensions:
Overall length:
1980 mm (78.0 in)
Overall width:
750 mm (29.5 in)
Overall height:
1210 mm (47.6 in)
Seat height:
780 mm (30.7 in)
Wheelbase:
1350 mm (53.1 in)
Ground clearance:
125 mm (4.92 in)
Minimum turning radius:
2.5 m (8.20 ft)
Weight:
Curb weight:
159 kg (351 lb) (MWS125-C)
164 kg (362 lb) (MWS125-A)
Engine:
Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train:
SOHC
Number of cylinders:
Single cylinder
Displacement:
125 cm³
Bore × stroke:
52.0 × 58.7 mm (2.05 × 2.31 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 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:
7.2 L (1.9 US gal, 1.6 Imp.gal)
Fuel injection:
Throttle body:
ID mark:
BR71 00
Spark plug(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
Caster angle:
20.0 °
Trail:
67 mm (2.6 in)
UBR7E0E0.book Page 1 Tuesday, October 25, 2016 2:44 PM

Specifications
8-3
8
Meter lighting:
LED
High beam indicator light:
LED
Turn signal indicator light:
LED
Coolant temperature warning light:
LED
Engine trouble warning light:
LED
ABS warning light:
LED (MWS125-A)
Fuse(s):
Main fuse:
15.0 A
Main fuse 2:
7.5 A
Terminal fuse 1:
2.0 A
Signaling system fuse:
7.5 A
ABS control unit fuse:
7.5 A (MWS125-A)
ABS motor fuse:
30.0 A (MWS125-A)
ABS solenoid fuse:
30.0 A (MWS125-A)
UBR7E0E0.book Page 3 Tuesday, October 25, 2016 2:44 PM

10-1
10
Index
A
ABS (for ABS models) ........................... 3-11
ABS warning light (for ABS models) ....... 3-4
Acceleration and deceleration ................ 5-3
Accessory box ...................................... 3-17
Air filter and V-belt case air filter
elements ............................................. 6-14
Auxiliary DC connector ......................... 3-22
Auxiliary DC jack ................................... 3-21
Auxiliary lights ....................................... 6-32
B
Battery .................................................. 6-28
Brake fluid, changing ............................ 6-23
Brake fluid level, checking .................... 6-22
Brake lever, front .................................. 3-10
Brake lever, rear.................................... 3-10
Brake levers, lubricating ....................... 6-25
Brake/tail light ....................................... 6-32
Braking.................................................... 5-3
C
Cables, checking and lubricating ......... 6-24
Care ........................................................ 7-1
Catalytic converter ................................ 3-14
Centerstand and sidestand,
checking and lubricating .................... 6-25
Coolant ................................................. 6-12
Coolant temperature warning light ......... 3-3
D
Data recording, vehicle ........................... 9-2
Diagnostic connector.............................. 9-2
Dimmer switch ........................................ 3-9
E
Eco indicator light ................................... 3-3
Engine break-in....................................... 5-4
Engine oil and oil strainer........................ 6-9
Engine serial number .............................. 9-1
Engine trouble warning light ................... 3-3
F
Final transmission oil ............................ 6-11
Front and rear brake pads, checking.... 6-21
Front brake lever free play, checking ... 6-20
Front fork, checking .............................. 6-26
Fuel ....................................................... 3-12
Fuel consumption, tips for reducing ....... 5-4
Fuel tank cap ........................................ 3-12
Fuel tank overflow hose ........................ 3-14
Fuses, replacing.................................... 6-30
H
Handlebar switches ................................ 3-9
Headlight............................................... 6-31High beam indicator light ....................... 3-3
Horn switch ............................................ 3-9
I
Identification numbers ............................ 9-1
Ignition circuit cut-off system............... 3-19
Indicator lights and warning lights ......... 3-3
K
Keyhole shutter ...................................... 3-2
L
Leaning system, checking .................... 6-28
License plate light bulb, replacing........ 6-33
Luggage hook ...................................... 3-18
M
Main switch/steering lock....................... 3-1
Maintenance and lubrication, periodic ... 6-4
Maintenance, emission control
system.................................................. 6-3
Matte color, caution ............................... 7-1
Model label ............................................. 9-1
Multi-function meter unit ........................ 3-5
P
Panel, removing and installing ............... 6-7
Parking ................................................... 5-5
Part locations ......................................... 2-1
Passenger footrest ............................... 3-15
R
Rear brake lever free play, checking .... 6-20
S
Safe-riding points ................................... 1-6
Safety information .................................. 1-1
Seat ...................................................... 3-15
Sidestand ............................................. 3-18
Spark plug, checking ............................. 6-8
Specifications ......................................... 8-1
Starting off.............................................. 5-2
Starting the engine ................................. 5-1
Start switch ............................................ 3-9
Steering, checking................................ 6-26
Steering tie rod, checking .................... 6-27
Storage ................................................... 7-4
Storage compartment .......................... 3-16
T
Throttle grip and cable,
checking and lubricating .................... 6-24
Throttle grip free play, checking........... 6-16
Tires ...................................................... 6-17
Tool kit.................................................... 6-2
Troubleshooting ................................... 6-34
Troubleshooting charts ........................ 6-35
Turn signal indicator lights ..................... 3-3
UBR7E0E0.book Page 1 Tuesday, October 25, 2016 2:44 PM