LUBRICATION DIAGRAMS2-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CABLE ROUTING2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER 3
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PERIODIC MAINTENANCE CHART FOR THE EMISSION
CONTROL SYSTEM3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL MAINTENANCE AND LUBRICATION CHART3-1 . . . . . . . . .
SEATS3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL TANK3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE FUEL TANK 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE FUEL PUMP 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE FUEL PUMP 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE FUEL TANK 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COWLINGS3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FRONT COWLING AND SIDE COWLINGS 3-7. . . . . . . . . . . . . . . . . . .
REAR COWLING 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVAL 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR FILTER CASE3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING THE VALVE CLEARANCE 3-11. . . . . . . . . . . . . . . . . . . . . .
SYNCHRONIZING THE THROTTLE BODIES 3-17. . . . . . . . . . . . . . . . .
ADJUSTING THE EXHAUST GAS VOLUME 3-19. . . . . . . . . . . . . . . . . .
ADJUSTING THE ENGINE IDLING SPEED 3-21. . . . . . . . . . . . . . . . . . .
ADJUSTING THE THROTTLE CABLE FREE PLAY 3-22. . . . . . . . . . . .
CHECKING THE SPARK PLUGS 3-23. . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEASURING THE COMPRESSION PRESSURE 3-24. . . . . . . . . . . . . .
CHECKING THE ENGINE OIL LEVEL 3-26. . . . . . . . . . . . . . . . . . . . . . . .
CHANGING THE ENGINE OIL 3-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEASURING THE ENGINE OIL PRESSURE 3-29. . . . . . . . . . . . . . . . .
ADJUSTING THE CLUTCH CABLE FREE PLAY 3-31. . . . . . . . . . . . . . .
REPLACING THE AIR FILTER ELEMENT 3-32. . . . . . . . . . . . . . . . . . . .
CHECKING THE FUEL AND BREATHER HOSES 3-33. . . . . . . . . . . . .
CHECKING THE CRANKCASE BREATHER HOSE 3-34. . . . . . . . . . . .
CHECKING THE EXHAUST SYSTEM 3-35. . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING THE EXUP CABLES 3-36. . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE COOLANT LEVEL 3-37. . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE COOLING SYSTEM 3-38. . . . . . . . . . . . . . . . . . . . . . . .
CHANGING THE COOLANT 3-39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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REAR SHOCK ABSORBER ASSEMBLY4-65 . . . . . . . . . . . . . . . . . . . . . . . .
HANDLING THE REAR SHOCK ABSORBER AND
GAS CYLINDER 4-66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DISPOSING OF A REAR SHOCK ABSORBER AND
GAS CYLINDER 4-66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE REAR SHOCK ABSORBER ASSEMBLY 4-67. . . . .
CHECKING THE REAR SHOCK ABSORBER ASSEMBLY 4-68. . . . . .
INSTALLING THE REAR SHOCK ABSORBER ASSEMBLY 4-68. . . . .
SWINGARM AND DRIVE CHAIN4-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE SWINGARM 4-71. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE DRIVE CHAIN 4-72. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE SWINGARM 4-72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE DRIVE CHAIN 4-73. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE SWINGARM 4-75. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER 5
ENGINE
ENGINE5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRIVE SPROCKET 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EXHAUST PIPE 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LEADS AND HOSES 5-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE 5-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE ENGINE 5-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CAMSHAFT5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CYLINDER HEAD COVER 5-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CAMSHAFTS 5-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE CAMSHAFTS 5-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE CAMSHAFTS 5-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE TIMING CHAIN, CAMSHAFT SPROCKETS,
AND TIMING CHAIN GUIDES 5-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE TIMING CHAIN TENSIONER 5-17. . . . . . . . . . . . . . . .
INSTALLING THE CAMSHAFTS 5-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CYLINDER HEAD5-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE CYLINDER HEAD 5-23. . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE CYLINDER HEAD 5-23. . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE CYLINDER HEAD 5-24. . . . . . . . . . . . . . . . . . . . . . . . .
VALVES AND VALVE SPRINGS5-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOVING THE VALVES 5-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE VALVES AND VALVE GUIDES 5-28. . . . . . . . . . . . . . .
CHECKING THE VALVE SEATS 5-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE VALVE SPRINGS 5-31. . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING THE VALVE LIFTERS 5-32. . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLING THE VALVES 5-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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2-5
ENGINE SPECIFICATIONSSPEC
Head Diameter Face Width Seat Width Margin Thickness
ItemStandardLimit
Timing chain
Model / number of links
Tensioning system
RH2020 / 122
Automatic
Valves, valve seats, valve guides
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
0.11 0.20 mm (0.0043 0.0079 in)
0.21 0.25 mm (0.0083 0.0098 in)
Valve head diameter A
Intake
Exhaust
Valve face width B
Intake
Exhaust
Valve seat width C
Intake
Exhaust
Valve margin thickness D
Intake
Exhaust
Valve stem diameter
Intake
Exhaust
Valve guide inside diameter
Intake
Exhaust
Valve-stem-to-valve-guide clearance
Intake
Exhaust
Valve stem runout
Valve seat width
Intake
Exhaust
23.4 23.6 mm (0.9213 0.9291 in)
24.9 25.1 mm (0.9803 0.9882 in)
1.76 2.90 mm (0.0693 0.1142 in)
1.76 2.90 mm (0.0693 0.1142 in)
0.9 1.1 mm (0.0354 0.0433 in)
0.9 1.1 mm (0.0354 0.0433 in)
0.5 0.9 mm (0.0197 0.0354 in)
0.5 0.9 mm (0.0197 0.0354 in)
3.975 3.990 mm (0.1565 0.1571 in)
4.460 4.475 mm (0.1756 0.1762 in)
4.000 4.012 mm (0.1575 0.1580 in)
4.500 4.512 mm (0.1772 0.1776 in)
0.010 0.037 mm (0.0004 0.0015 in)
0.025 0.052 mm (0.0010 0.0020 in)
0.9 1.1 mm (0.0354 0.0433 in)
0.9 1.1 mm (0.0354 0.0433 in)
1.6 mm (0.06 in)
1.6 mm (0.06 in)
0.5 mm (0.02 in)
0.5 mm (0.02 in)
3.945 mm
(0.1553 in)
4.425 mm
(0.1742 in)
4.050 mm
(0.1594 in)
4.550 mm
(0.1791 in)
0.08 mm
(0.0032 in)
0.10 mm
(0.0039 in)
0.01 mm
(0.0004 in)
1.6 mm (0.06 in)
1.6 mm (0.06 in)
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3-3
Order Job / Part Q’ty Remarks
1
2Removing the seats
Rider seat
Passenger seat1
1Remove the parts in the order listed.
For installation, reverse the removal
procedure.
7 Nm (0.7 mkg, 5.1 ftlb)
SEATS
CHK
ADJ
EAS00039
SEATS
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3-4
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10
11Removing the fuel tank
Rider sear
Fuel tank side cover
Fuel hose connector cover
Fuel hose
Fuel return hose
Fuel sender coupler
Fuel pump coupler
Fuel tank over flow hose
Fuel tank breather hose
Fuel tank
Fuel tank cover
Fuel pump2
1
1
1
1
1
1
1
1
1
1Remove the parts in the order listed.
Refer to “SEATS”.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
10 Nm (1.0 mkg, 7.2 ftlb)
10 Nm (1.0 mkg, 7.2 ftlb)
4 Nm (0.4 mkg, 2.9 ftlb)
4 Nm (0.4 mkg, 2.9 ftlb)
FUEL TANK
CHK
ADJ
EAS00040
FUEL TANK
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3-7
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10
11
12
13Removing the front cowling and
side cowlings
Rider seat
Side cowling
Front turn signal light lead coupler
Side cowling inner panel
Bottom cowling
Bottom cowing front cover
Frame side cover
Frame side panel
Headlight panel
Front cowling
Rear view mirror
Windshield
Air intake duct
Air intake duck mount2
2
2
2
1
2
2
2
1
2
1
2
2Remove the parts in the order listed.
Refer to “SEATS”.
Disconnect.
For installation, reverse the removal
procedure.
7 Nm (0.7 mkg, 5.1 ftlb)
7 Nm (0.7 mkg, 5.1 ftlb)
16 Nm (1.6 mkg, 12 ftlb)
COWLINGS
CHK
ADJ
COWLINGS
FRONT COWLING AND SIDE COWLINGS
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3-8
Order Job / Part Q’ty Remarks
1
2
3
4
5
6Removing the rear cowling
Rider seat and passenger seat
Muffler
Rear cowling (upper)
Tail / brake light lead coupler
Rear turn signal light lead coupler
Tail / brake light
License plate bracket assembly
Rear cowling (lower)1
1
4
1
1
1Remove the parts in the order listed.
Refer to “SEATS”.
Refer to “EXHAUST PIPE” in chapter 5.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
4 Nm (0.4 mkg, 2.9 ftlb)10 Nm (1.0 mkg, 7.2 ftlb)
COWLINGS
CHK
ADJ
REAR COWLING
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3-10
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10Removing the air filter case
Rider sear
Fuel tank
Plug
Air temperature sensor lead coupler
Spacer
Air temperature sensor
Air filter case cover
Air filter
Funnel
Air filter case
Air induction system hose
Crankcase breather hose1
1
1
1
1
1
2
1
1
1Remove the parts in the order listed.
Refer to “SEATS”.
Refer to “FUEL TANK”.
Disconnect.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
2 Nm (0.2 mkg, 1.4 ftlb)
3.4 Nm (0.34 mkg, 2.5 ftlb)
AIR FILTER CASE
CHK
ADJ
AIR FILTER CASE
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