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SERVICE INFORMATION
2-4
TORQUE VALUES
ENGINE TORQUE VALUES
LUBRICATION & SEAL POINT
Valves
Valve clearance
IN
0.15 ± 0.02
–
EX
0.20 ± 0.02
–
Valve stem O.D.
IN
6.575 – 6.590 (0.2588 – 0.2594)
6.44 (0.254)
EX
6.535 – 6.550 (0.2572 – 0.2578)
6.40 (0.252)
Valve guide I.D.
IN/EX
6.600 – 6.615 (0.2598 – 0.2604)
6.66 (0.262)
Guide-to-stem clear-
ance
IN
0.010 – 0.040 (0.0004 – 0.0016)
0.10 (0.004)
EX
0.050 – 0.080 (0.0020 – 0.0031)
0.12 (0.005)
Valve seat width
1.0 – 1.2 (0.04 – 0.05)
2.0 (0.08)
Valve spring free length
39.0 (1.54)
37.5 (1.48)
Valve spring perpendicularity
–
1.5° max.
Camshaft
Cam height
IN
31.945 – 32.145 (1.2577 – 1.2655)
31.35
(1.234)
EX
31.666 – 31.866 (1.2467 – 1.2546)
31.35
(1.234)
Camshaft O.D.
15.966 – 15.984 (0.6286 – 0.6293)
15.92
(0.627)
Carburetor
Main jet
BE80N A: #98
BE80M A: #98
BE80P A: #98
–
Pilot screw opening
BE80N A: 1 - 3/4 turns out
BE80M A: 1 - 3/4 turns out
BE80P A: 1 - 3/4 turns out
–
Float height
13.2 (0.52)
–
Spark plug
Gap
0.7 – 0.8 (0.028 – 0.031)
–
Ignition coil
Air gap
0.2 – 0.6 (0.01 – 0.02)
–
Starter motor
Brush length
7.0 (0.28)
3.5 (0.14)
Mica depth
1.0 (0.04)
0.2 (0.01)
Charge coil
Resistance
1A
3.00 - 4.00
Ω
–
3A
0.62 - 0.93
Ω
–
10A
0.16 - 0.24
Ω
–
18A
0.10 - 0.30
Ω
–
Lamp coil
Resistance
12V - 15 W
1.04 - 1.56
Ω
–
12V - 25 W
0.30 - 0.46
Ω
–
12V - 50 W
0.29 - 0.44
Ω
–
Part
Item
Standard
Service
limit
Item
Tread Dia. (mm)
Torque values
N·m
kgf·m
lbf·ft
Flywheel nut (GX240)
M16 x 1.5 (Special nut)
128
13.1
94
Flywheel nut (GX340)
M16 x 1.5 (Special nut)
170
17.3
125
Location
Material
Remarks
Drive sprocket and P. T. O. shaft
Engine oil
62Z5F00X.book 4 ページ 2010年9月16日 木曜日 午後7時26分