Rato RV170, Руководство по обслуживанию

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1. INTRODUCTION
3
Connecting Rod
Small End I.D
Big End I.D
Big Oil Clearance
Small End Side Clearance
18.005-18.020
30.020-30.033
0.040-0.063
0.1-0.7
18.052
30.066
0.12
1.1
Crankshaft Crankshaft Pin O.D 29.970-29.980 29.92
Valve
Valve Clearance
Stem O.D
Guide I.D
Stem Clearance
Seat Width
Spring Free Length
IN
EX
IN
EX
IN/EX
IN
EX
0.10±0.02
0.15±0.02
5.468-5.480
5.435-5.450
5.500-5.512
0.020-0.044
0.050-0.077
0.8
34.0
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5.318
5.275
5.562
0.10
0.12
2.0
32.5
Camshaft
Cam Height
Journal O.D
IN
EX
27.70
27.75
13.966-13.984
27.45
27.50
13.916
Crankcase Cover Camshaft Bracket I.D 14.0 14.048
Carburetor
Main Jet
Float Height
Pilot Screw Opening
#65
13.7
2-5/8turns
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Spark Plug Gap 0.7-0.8 --
Spark Plug Cap Resistance 3.75-6.25kΩ --
Ignition Coil
Resistance
Air Gap
Primary coil
Secondary coil
（
at flywheel
）
0.8-1.0Ω
5.9-7.2kΩ
0.4±0.2
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RV170
PARTS ITEM STANDARD
SERVICE
LIMIT
Engine
Maximum Speed (No Load)
Idle Speed
Cylinder Compression
3400
±
100rpm
1900
±
100rpm
1.38Mpa at 1200rpm
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