Rato RV170 User Manual

1. INTRODUCTION
4
Cylinder Head
Sleeve I.D
72
71.165
Cylinder Head
Warpage
-
0.10
Piston
Skirt O.D.
Piston–to-Cylinder Clearance
Piston Pin Bore I.D.
Piston Pin O.D
Piston Pin-to-Piston Pin Bore Clearance
69.985
0.015-0.050
18.002-18.008
17.994-18.00
0.002-0.014
69.845
0.12
18.048
17.954
0.08
Piston Rings
Ring Side Clearance： second
Ring Enc Gap: second
Ring Width： second
0.030-0.065
0.2-0.4
1.5
0.15
1.0
1.37
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
0.15±0.02
0.20±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
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

Rato RV170 Specifications

General

Brand	Rato
Model	RV170
Category	Engine
Language	English