Rato RV170 User Manual

1. INTRODUCTION
2
1-2 Specifications
MODEL
ITEM
RV160
RV170
L×W×H(not including
crankshaft output terminal)
395×348×282(mm)
395×348×282(mm)
Dry Weight
12.1Kg or 13.7kg
12.5Kg or 13.7Kg
Engine Type
Single Cylinder Horizontal,4-Stroke, OHV
Displacement
163cc
173.2cc
Bore × Stroke
68mm×45mm
70mm×45mm
Theoretical Maximum Power
3.0kW/3,600r/min
3.2kW/3,600r/min
Recommended Using Power
2.3Kw /3600r/min
2.4 kW/3,400r/min
Maximum Torque
8.8N·m/2,500r/min
9.0N·m /2,500r/min
Fuel Consumption
395g/ kw·h
395g/kw·h
Cooling System
Forced Air
Ignition System
Capacitance Discharge Type or Inductance Discharge Type
PTO Shaft Rotation
Vertical Shaft Output
1-3 Service Limit RV160
PARTS
ITEM
STANDARD
SERVICE
LIMIT
Engine
Maximum Speed (No Load)
Idle Speed
Cylinder Compression
3400±100rpm
1900±100rpm
1.38Mpa/1200rpm
--
--
--
Cylinder Head
Sleeve I.D
68
68.165
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
67.985
0.015-0.050
18.002-18.008
17.994-18.00
0.002-0.014
67.845
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
UNIT：mm

Rato RV170 Specifications

General

Brand	Rato
Model	RV170
Category	Engine
Language	English