PERIODIC MAINTENANCE
3-6
• 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. Remove:
• Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
• Front panel cover
Refer to “GENERAL CHASSIS (3)” on page
4-9.
• Front side cowling
Refer to “GENERAL CHASSIS (5)” on page
4-16.
• Side cover
• Front side cowling inner panel
Refer to “GENERAL CHASSIS (6)” on page
4-23.
• Side cover bracket
Refer to “GENERAL CHASSIS (8)” on page
4-32.
• Electrical components tray
Refer to “GENERAL CHASSIS (9)” on page
4-34.
• 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 7-19.
• Radiator
Refer to “RADIATOR” on page 6-3.
2. Remove:
• Ignition coils
• Spark plugs
• Cylinder head cover
• Cylinder head cover gasket
Refer to “CAMSHAFTS” on page 5-17.
3. Remove:
• Timing mark accessing bolt
• Crankshaft end cover
Refer to “GENERATOR” on page 5-43.
4. Measure:
• Valve clearance
Out of specification
→
Adjust.
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the TDC mark “a” on the
generator rotor with the generator rotor
cover slot “b”.
TIP
TDC on the compression stroke can be found
when the camshaft lobes are turned away from
each other.
c. Measure the valve clearance #1 with a
thickness gauge.
TIP
Measure the valve clearance between the cam
lobe and rocker arm “c”.
Valve clearance (cold)
Intake
0.09–0.17 mm (0.0035–0.0067 in)
Exhaust
0.18–0.23 mm (0.0071–0.0091 in)
Thickness gauge
90890-03268
Feeler gauge set
YU-26900-9
a
b
c
c
Summary of Contents for YZF-R1 2020
Page 1: ...2020 SERVICE MANUAL YZF R1 YZF R1M YZF1000L YZF1000 YZF1000DL YZF1000D B3L 28197 20 ...
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 88: ...CABLE ROUTING 2 49 Canister A E 1 2 3 4 5 6 B B B C D 7 8 9 10 E F G H E 7 10 11 ...
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 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 335: ...ELECTRIC STARTER 5 52 1 2 3 a b ...
Page 388: ...TRANSMISSION 5 105 ...
Page 406: ...WATER PUMP 6 17 ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 447: ...CHARGING SYSTEM 8 14 ...
Page 451: ...LIGHTING SYSTEM 8 18 ...
Page 486: ...ELECTRICAL COMPONENTS 8 53 ...
Page 495: ......
Page 505: ...SYSTEM DIAGRAM 9 10 ...
Page 531: ...STEERING DAMPER SYSTEM 9 36 ...
Page 815: ...91_ABS 9 320 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
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Page 819: ......
Page 820: ......