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PERIODIC MAINTENANCE
3-5
2. Check:
• Fuel hose “1”
Cracks/damage
→
Replace.
Loose connection
→
Connect properly.
TIP
Before removing the fuel hose, place a few rags
in the area under where it will be removed.
3. Install:
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
EAS30620
CHECKING THE SPARK PLUGS
The following procedure applies to all of the
spark plugs.
1. Remove:
• Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• Air filter case
Refer to “AIR FILTER CASE” on page 7-5.
• Air cut-off valve
Refer to “AIR INDUCTION SYSTEM” on
page 7-20.
2. Remove:
• Ignition coils
• Spark plugs
NOTICE
ECA13320
Before removing the spark plugs, blow away
any dirt accumulated in the spark plug wells
with compressed air to prevent it from falling
into the cylinders.
3. Check:
• Spark plug type
Incorrect
→
Change.
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.
7. Install:
• Spark plugs
• Ignition coils
TIP
• Before installing the spark plug, clean the
spark plug and gasket surface.
• If the spark plug is a new one, tighten it to 18
N·m (1.8 kgf·m, 13 lb·ft).
8. Install:
• Air cut-off valve
Refer to “AIR INDUCTION SYSTEM” on
page 7-20.
• Air filter case
Refer to “AIR FILTER CASE” on page 7-5.
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
1
Manufacturer/model
NGK/LMAR9E-J
Spark plug gap
0.6–0.7 mm (0.024–0.028 in)
T
R
.
.
Spark plug
13 N·m (1.3 kgf·m, 9.6 lb·ft)
Spark plug (new)
18 N·m (1.8 kgf·m, 13 lb·ft)
G0
8888
0
Summary of Contents for YZF-R1
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 144: ...PERIODIC MAINTENANCE 3 37 ...
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 336: ...ELECTRIC STARTER 5 53 1 2 3 a b ...
Page 406: ...WATER PUMP 6 17 ...
Page 432: ...AIR INDUCTION SYSTEM 7 25 ...
Page 435: ......
Page 441: ...IGNITION SYSTEM 8 6 ...
Page 449: ...CHARGING SYSTEM 8 14 ...
Page 453: ...LIGHTING SYSTEM 8 18 ...
Page 488: ...ELECTRICAL COMPONENTS 8 53 ...
Page 497: ......
Page 507: ...SYSTEM DIAGRAM 9 10 ...
Page 525: ...STEERING DAMPER SYSTEM 9 28 ...
Page 800: ...91_ABS 9 303 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 801: ...91_ABS 9 304 ...
Page 804: ......
Page 805: ......
Page 806: ......