Adjusting The Valve Clearance - Yamaha 2014 MT-07 Service Manual

3. Check:
• Spark plug type
Incorrect → Change.
Manufacturer/model
NGK/LMAR8A-9
4. Check:
• Electrode "1"
Damage/wear → Replace the spark plug.
• Insulator "2"
Abnormal color → Replace the spark plug.
Normal color is medium-to-light tan.
5. Clean:
• Spark plug
(with a spark plug cleaner or wire brush)
6. Measure:
• Spark plug gap "a"
(with a wire thickness gauge)
Out of specification → Regap.
Spark plug gap
0.8–0.9 mm (0.031–0.035 in)
7. Install:
• Spark plugs
• Ignition coils
Spark plug
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
TIP
Before installing the spark plug, clean the spark
plug and gasket surface.
8. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank front cover
• Fuel tank center cover
• Fuel tank cover (left)
• Fuel tank cover (right)
PERIODIC MAINTENANCE
• Fuel tank top cover
Refer to "GENERAL CHASSIS (4)" on page
4-11.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30622

ADJUSTING THE VALVE CLEARANCE

The following procedure applies to all of the
valves.
TIP
• Valve clearance adjustment should be made
on a cold engine, at room temperature.
• When the valve clearance is to be measured or
adjusted, the piston must be at top dead center
(TDC) on the compression stroke.
1. Drain:
• Coolant
Refer to "CHANGING THE COOLANT" on
page 3-24.
2. Remove:
• Fuel tank top cover
• Fuel tank cover (left)
Refer to "GENERAL CHASSIS (4)" on page
4-11.
• Radiator
• Radiator inlet hose
Refer to "RADIATOR" on page 6-1.
• Surge tank
• Intake solenoid
Refer to "INTAKE SOLENOID" on page 7-19.
• Clutch cable guide
Refer to "ENGINE REMOVAL" on page 5-4.
3. Remove:
• Ignition coils
• Spark plugs
• Cylinder head cover
• Cylinder head cover gasket
Refer to "CAMSHAFTS" on page 5-13.
4. Remove:
• Timing mark accessing bolt "1"
• Crankshaft end cover "2"
2
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