Yamaha 2014 MT-07 Service Manual

IGNITION SYSTEM
8-4
EAS30492
TROUBLESHOOTING
The ignition system fails to operate (no spark or intermittent spark).
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Passenger seat
3. Center cover
4. Fuel tank side covers
5. Fuel tank
6. Drive sprocket cover
7. Headlight assembly
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
OK →
NG ↓
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
1. Check the fuses.
(Ignition, fuel injection system, and
main)
Refer to “CHECKING THE FUS-
ES” on page 8-127.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-128.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the spark plugs.
Refer to “CHECKING THE SPARK
PLUGS” on page 3-4.
Re-gap or replace the spark plug(s).
4. Check the ignition spark gap.
Refer to “CHECKING THE IGNI-
TION SPARK GAP” on page 8-134.
Ignition system is OK.
5. Check the ignition coils.
Refer to “CHECKING THE IGNI-
TION COILS” on page 8-134.
Replace the ignition coil(s).
6. Check the crankshaft position sen-
sor.
Refer to “CHECKING THE CRANK-
SHAFT POSITION SENSOR” on
page 8-135.
Replace the crankshaft position sensor.
7. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 8-123.
Replace the main switch/immobilizer unit.

Yamaha 2014 MT-07 Specifications

General

Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Displacement	689 cc
Bore x Stroke	80.0 mm x 68.6 mm
Compression Ratio	11.5:1
Maximum Torque	68.0 Nm (6.9 kg-m) @ 6, 500 rpm
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	Constant Mesh, 6-speed
Final Drive	Chain
Front Suspension	Telescopic forks
Front Brake	Hydraulic dual disc, Ø 282 mm
Rear Brake	Hydraulic single disc, Ø 245 mm
Front Tyre	120/70 ZR17M/C (58W)
Rear Tyre	180/55 ZR17M/C (73W)
Dimensions (L x W x H)	2, 085 mm x 745 mm x 1, 090 mm
Seat Height	805 mm
Wheelbase	1, 400 mm
Minimum Ground Clearance	140 mm
Wet Weight	179 kg
Fuel Tank Capacity	14 L
Maximum Power	74.8 PS (55.0 kW) @ 9, 000 rpm
Rear Suspension	Swingarm (Link type suspension)