Page 65 of 288

SPEC
2 - 10
Part to be tightened Thread size Q’tyTightening torque
Nm m•kg ft•lb
Cylinder head nut M8
´
1.25 4 22 2.2 16
Cylinder head bolt M6
´
1.0 2 10 1.0 7.2
Spark plug M10
´
1.0 1 13 1.3 9.4
Camshaft sprocket cover bolt M6
´
1.0 2 7 0.7 5.1
Tappet cover M45
´
1.5 2 18 1.8 13
Exhaust pipe stud bolt M6
´
1.0 2 7 0.7 5.1
Rotor nut M12
´
1.25 1 48 4.8 35
Timing chain guide (rear) M6
´
1.0 2 10 1.0 7.2
Valve clearance adjust screw locknut M5
´
0.5 2 7 0.7 5.1
Camshaft sprocket M8
´
1.25 1 20 2.0 14
Camshaft bearing retainer M6
´
1.0 1 10 1.0 7.2
Timing chain tensioner cap bolt M8
´
1.25 1 8 0.8 5.8
Timing chain tensioner M6
´
1.0 2 10 1.0 7.2
Oil pump M6
´
1.0 2 7 0.7 5.1
Drain bolt M12
´
1.5 1 20 2.0 14
Carburetor joint (cylinder head side) M6
´
1.0 2 7 0.7 5.1
Carburetor joint (carburetor side) M6
´
1.0 2 7 0.7 5.1
Air filter case M6
´
1.0 2 7 0.7 5.1
Exhaust pipe M6
´
1.0 2 7 0.7 5.1
Exhaust pipe protector M6
´
1.0 7 7 0.7 5.1
Silencer M8
´
1.25 1 24 2.4 17
Silencer protector M5
´
0.8 2 4 0.4 2.9
Crankcase M6
´
1.0 9 10 1.0 7.2
Crankcase cover (left) M6
´
1.0 8 7 0.7 5.1
Drive sprocket cover M6
´
1.0 2 7 0.7 5.1
Crankcase cover (right) M6
´
1.0 9 7 0.7 5.1
Timing plug M14
´
1.5 1 7 0.7 5.1
Crankshaft end cover M32
´
1.5 1 7 0.7 5.1
Cylinder head stud bolt M8
´
1.25 4 13 1.3 9.4
Kick crank M6
´
1.0 1 10 1.0 7.2
Primary drive gear M12
´
1.0 1 50 5.0 36
Pressure plate M5
´
0.8 4 6 0.6 4.3
Clutch boss M14
´
1.0 1 60 6.0 43
Main axle bearing retainer M6
´
1.0 1 10 1.0 7.2
Shift pedal M6
´
1.0 1 8 0.8 5.8
Clutch adjust screw locknut M6
´
1.0 1 8 0.8 5.8
Pickup coil M6
´
1.0 2 10 1.0 7.2
Stator assembly M6
´
1.0 3 10 1.0 7.2
MAINTENANCE SPECIFICATIONS
Page 120 of 288

3 - 6
INSP
ADJ
ENGINE OIL REPLACEMENT
(Except for USA and CDN)
CAUTION:
l
Do not add any chemical additives or use
oils with a grade of CD
a
or higher.
l
Do not use oils labeled “ENERGY CON-
SERVING II”
b
or higher. Engine oil also
lubricates the clutch and additives could
cause clutch slippage.
l
Do not allow foreign materials to enter the
crankcase.
5. Install:
l
Dipstick
6. Start the engine and let it warm up for
several minutes.
7. Turn off the engine and inspect the oil
level once again.
NOTE:
Wait a few minutes until the oil settles before
inspecting the oil level.
ENGINE OIL REPLACEMENT
1. Start the engine and warm it up for sev-
eral minutes and wait for five minutes.
2. Place the machine on a level place and
hold it on upright position by placing the
suitable stand under the engine.
3. Place a suitable container under the
engine.
4. Remove:
l
Dipstick
1
l
Drain bolt (with gasket)
2
Drain the crankcase of its oil.
Recommended oil:
Refer to the following chart for
selection of oils which are suited
to the atmospheric temperatures.
Recommended engine oil classi-
fication:
API STANDARD:
API “SE/SF” or higher grade
(Designed primarily for motor-
cycles)
a
b
Page 122 of 288
3 - 7
INSP
ADJ
PILOT AIR SCREW ADJUSTMENT
5. Install:
l
Gasket
l
Drain bolt
New
T R..20 Nm (2.0 m · kg, 14 ft · lb)
6. Fill:
l
Crankcase
Oil quantity:
Periodic oil change:
0.8 L (0.70 Imp qt, 0.85 US qt)
7. Install:
l
Dipstick
8. Inspect:
l
Engine (for oil leaks)
l
Oil level
Refer to “ENGINE OIL LEVEL INSPEC-
TION”.
PILOT AIR SCREW ADJUSTMENT
1. Adjust:
l
Pilot air screw
1
Adjusting steps:
l
Screw in the pilot air screw until it is lightly
seated.
l
Back out by the specified number of turns.
Pilot air screw:
1-3/4 turns out
Page 252 of 288
5 - 7
CHAS
FRONT FORK
EC558000
FRONT FORK DISASSEMBLY
Extent of removal:
1
Oil seal removal
2
Damper rod removal
Extent of removal Order Part name Q’ty Remarks
FRONT FORK DISASSEMBLY
Preparation for disas-
semblyDrain the fork oil.
1
Adjuster 1
2
Fork spring 1
3
Dust cover 1
4
Stopper ring 1
5
Bolt (damper rod) 1 Use special tool.
Refer to “REMOVAL POINTS”.
6
Inner tube 1
7
Damper rod 1
8
Oil seal 1
9
Outer tube 1
1
2