Cobra Y173V - Page 7

1. INTRODUCTION
3
Connecting Rod
Small End I.D
18.004-18.012
18.052
Big End I.D
Big End Clearance
30.015-30.025
0.017-0.032
30.050
0.1
Small End Clearance
0.006-0.018
0.08
Crankshaft
Crankshaft Pin O.D
29.993-29.998
29.94
Valve
Valve Clearance IN
EX
Stem O.D IN
EX
Guide I.D IN/EX
Stem Clearance IN
EX
Seat Width
Spring Free Length
0.10±0.02
0.15±0.02
5.465-5.480
5.465-5.480
5.500-5.512
0.020-0.044
0.050-0.077
0.8
64.0
--
--
5.315
5.315
5.562
0.10
0.12
2.0
63
Camshaft
Cam Height IN
EX
Journal O.D
27.70
27.75
13.965-13.990
27.45
27.50
13.915
Crankcase Cover
Camshaft Bracket I.D
14.0-14.018
14.048
Carburetor
Main Jet
#68(DL)or#70（KAMA）
--
Float Height
13.7
--
Pilot Screw Opening
2-5/8turns
--
Spark Plug
Gap
0.7-0.8
--
Spark Plug Cap
Resistance
4.5-5.5kΩ
--
Ignition Coil
Resistance Primary coil
1.0-1.3Ω
--
Secondary coil
10.5-11kΩ
--
Air Gap
（at flywheel）
0.30-0.40
--