compression ratio YAMAHA MT07 TRACER 2018 Owners Manual

Periodic maintenance and adjustment
6-38
6
EAU25872
Troubleshooting
Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur
during operation. Any problem in the
fuel, compression, or ignition systems,
for example, can cause poor starting
and loss of power.
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled technicians have
the necessary tools, experience, and
know-how to service the motorcycle
properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look
like Yamaha parts, but they are often
inferior, have a shorter service life and
can lead to expensive repair bills.
WARNING
EWA15142
When checking the fuel system, do
not smoke, and make sure there are
no open flames or sparks in the ar-
ea, including pilot lights from water
heaters or furnaces. Gasoline or
gasoline vapors can ignite or ex-
plode, causing severe injury or prop-
erty damage.
UBC6E2E0.book Page 38 Tuesday, July 10, 2018 6:26 PM

Specifications
8-1
8
Dimensions:
Overall length:
2138 mm (84.2 in)
Overall width:
806 mm (31.7 in)
Overall height:
1270 mm (50.0 in)
Seat height:
835 mm (32.9 in)
Wheelbase:
1450 mm (57.1 in)
Ground clearance:
140 mm (5.51 in)
Minimum turning radius:
2.7 m (8.86 ft)
Weight:
Curb weight:
196 kg (432 lb)
Engine:
Engine type:
Liquid cooled 4-stroke, DOHC
Cylinder arrangement:
Inline 2-cylinder
Displacement:
689 cm³
Bore × stroke:
80.0 × 68.6 mm (3.15 × 2.70 in)
Compression ratio:
11.5 : 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:
Without oil filter cartridge replacement:
2.30 L (2.43 US qt, 2.02 Imp.qt)
With oil filter cartridge replacement:
2.60 L (2.75 US qt, 2.29 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):
1.60 L (1.69 US qt, 1.41 Imp.qt)
Air filter:
Air filter element:
Oil-coated paper element
Fuel:
Recommended fuel:
Premium unleaded gasoline (Gasohol [E10]
acceptable)
Fuel tank capacity:
17.0 L (4.49 US gal, 3.74 Imp.gal)
Fuel reserve amount:
3.5 L (0.92 US gal, 0.77 Imp.gal)
Fuel injection:
Throttle body:
ID mark:
1WS1 10
Spark plug(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:
1.925 (77/40)
Final drive:
Chain
Secondary reduction ratio:
2.688 (43/16)
Transmission type:
Constant mesh 6-speed
Operation:
Left foot operation
Gear ratio:
1st:
2.846 (37/13)
2nd:
2.125 (34/16)
3rd:
1.632 (31/19)
4th:
1.300 (26/20)
5th:
1.091 (24/22)
6th:
0.964 (27/28)
UBC6E2E0.book Page 1 Tuesday, July 10, 2018 6:26 PM