G424 Service Manual Specifications15
End gap No. 1 ring
No. 2 ring
Oil ring
Ring-to-ring groove No. 1
clearance No. 2
Outside diameter
Press-in load
(at room temperature),
N (kg) [lbf]
Big end center-to small end center
length
Bend
Twist
Big end thrust clearance
End play
Journal outside diameter
Pin Outside diameter
Out-of-roundness and taper of
journal and pin
Concentricity journal and pin
Oil clearance of journal
Oil clearance of pin
Cylinder inner diameter
Flatness of gasket surface
Grinding limit
Overall height
Side clearance
Drive gear
Drive gear
Deflection
New belt
Used belt
Throttle bore diameter
Outer venturi diameter
Inner venturi diameter
Main jet (Symbol Size)
Main air jet diameter
Pilot jet diameter
Pilot air jet diameter
Primary throtle valve to throtle
bore clearance
0.25 to 0.40 (0.0098 to 0.0157)
0.45 to 0.60 (0.0177 to 0.0236)
0.20 to 0.60 (0.0079 to 0.0236)
0.03 to 0.07 (0.0012 to 0.0028)
0.03 to 0.07 (0.0012 to 0.0028)
22.002 to 22.005 (0.86622 to 0.86634)
7350 to 17160
(750 to 1750)
[1650 to 3860]
149.9 to 150.0 (5.902 to 5.906)
0.05 (0.0020)
0.10 (0.0039)
0.10 to 0.25 (0.0039 to 0.0098)
0.05 to 0.18 (0.0020 to 0.0071)
56.982 to 57.000 (2.24338 to 2.24409)
44.985 to 45.000 (1.77106 to 1.77165)
0.005 (0.00020)
0.03 (0.0012)
0.02 to 0.04 (0.0008 to 0.0016)
0.02 to 0.05 (0.0008 to 0.0020)
86.50 to 86.53 (3.4055 to 3.4067)
0.05 (0.0020)
289.9 to 290.1 (11.413 to 11.421)
0.08 to 0.14 (0.031 to 0.0055)
0.06 to 0.12 (0.0024 to 0.0047)
7.0 to 10.0 (0.28 to 0.39)
10 (0.39)
32 (1.26)
24 (0.94)
9 to 12 (0.35 to 0.47)
132.5
0.9 (0.035)
0.55 (0.0217)
1.6 (0.063)
1.1(0.043)
Piston ring
Piston pinConnecting rodCrankshaftCylinder block
Oil pump
Drive
belt
Carburetor
Standard value RemarksLimit
0.8 (0.031)
0.8 (0.031)
1.0 (0.039)
0.2 (0.008)
Total resurfacing
depth of both
cylinder head and
cylinder block
Item
Unit : mm(in.)
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