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John Deere 170 Engine

John Deere 170 Engine Specifications

Engine Model ............. Kawasaki FC420V
Engine Type ............. Forced Air-cooled, Vertical Shaft, OHV, 4-Stroke Gasoline
Number of Cylinder ............. 1
Piston Displacement, cc (cu.in) ............. 423 (25.8)
Engine Bore, mm (in) ............. 89.0 (3.50)
Engine Stroke, mm (in) ............. 68.0 (2.68)
Engine Power, Hp (kW) ............. 14.0 (10.4)
Maximum Torque, Nm (ft-lb) ............. 30.6 (22.5)
Fast Idle Speed, rpm ............. 3275-3425
Low Idle Speed, rpm ............. 1450-1650
Fuel System Type ............. Carburetor
Carburetor Type ............. Float Fixed Main Jet
Fuel Pump ............. Diaphragm Type Pulse Pump
Governor ............. Mechanical Flyweight
Lubricating Method ............. Pressurized
Direction of Rotation ............. Counterclockwise facing the PTO Shaft
Choke Control ............. Automatic (with Throttle Control)
Cooling System ............. Forced-air
Air Cleaner ............. Semi-cyclone Type with Dual Element
Cooling Air Inlet ............. Rotating Screen with Periphery Blade Protector
Ignition System Type ............. Transistorized Flywheel Magneto
Charging Coil ............. 12V-3A with Rectifier
Electrical System Rating, Volts ............. 12
Alternator Charging Capacity, Amp ............. 13
Electric Starter ............. 12V-0.6 kW Shift Type
Recommended Battery ............. 12V-200CCA

John Deere 170 Engine Maintenance Data

Valve Adjustment

Intake Valve Clearance (cold) ............. 0.15 mm (0.006 in.)
Exhaust Valve Clearance (cold) ............. 0.15 mm (0.006 in.)
Valve Spring Free Length ............. 37.5 mm (1.47 in.)
Intake Valve Seat Width ............. 1.10-1.46 mm (0.043-0.057 in.)
Exhaust Valve Seat Width ............. 1.10-1.46 mm (0.043-0.057 in.)

Engine Oil and Filters

Engine Oil Type ............. SAE 10W-30/10W-40
Oil Classification ............. SF, SE, SD API service classification
Oil Capacity, L (qts) ............. 1.3 (1.4)
Oil Filter Part Number ............. AM107423
Air Filter Part Number ............. M97211

Carburetor Adjustment

1-Idle mixture adjustment: Turn pilot screw clockwise until just closes.
2-Do not turn screw in too far to avoid pointed end damaged.
3-Open screw by turning 1-1/2 counterclockwise as initial setting.
4-Start and allow engine to warm.
5-Move speed control lever or throttle lever on equipment to "idle" position.
6-Adjust throttle stop screw to obtain 1550 RPM by turning it in or out.
7-Adjust pilot screw by turning clockwise (lean) or counterclockwise (rich) to obtain peak of idling.
8-Then turn out pilot screw 1/4 more from peak.
9-Readjust throttle stop screw to obtain and satisfy specified 1550 RPM idling.
Low idle speed, rpm ............. 1550
Fast idle speed, rpm ............. 3550

Ignition System

Spark Plug ............. NGK BPR5ES
Spark Plug Gap, mm (in) ............. 0.7-0.8 (0.028-0.031)
Ignition Coil Air Gap, mm (in) ............. 0.3 (0.012)
Spark Plug Torque, Nm ............. 15

John Deere 170 Engine Repair Specifications

Cylinder Block

Cylinder Bore Inside Diameter (Maximum), mm (in) ............. 89.076 (3.5069)
Cylinder Bore Out Of Round (Maximum), mm (in) ............. 0.063 (0.0025)
Cylinder Boring Size (0.25 mm Oversize), mm (in) ............. 89.230-89.210 (3.5130-3.5122)
Cylinder Boring Size (0.50 mm Oversize), mm (in) ............. 89.480-89.460 (3.5228-3.5220)
Cylinder Boring Size (0.75 mm Oversize), mm (in) ............. 89.730-89.710 (3.5327-3.5319)
Top Ring Groove Clearance (Maximum), mm (in) ............. 0.17 (0.0067)
Second Ring Groove Clearance (Maximum), mm (in) ............. 0.15 (0.0059)
Oil Ring Groove Clearance (Maximum), mm (in) ............. 0.20 (0.0079)
Piston Pin Hole Diameter (Maximum), mm (in) ............. 22.037 (0.8676)
Piston Pin Diameter (Minimum), mm (in) ............. 21.977 (0.8652)
Top and Second Piston Ring Thickness (Minimum), mm (in) ............. 1.94 (0.076)
Top and Second Piston Ring End Gap (Maximum), mm (in) ............. 0.9 (0.035)
Connecting Rod Small End Diameter (Maximum), mm (in) ............. 22.059 (0.8685)
Connecting Rod Big End Diameter (Maximum), mm (in) ............. 41.068 (1.6169)
Rocker Arm Diameter, mm (in) ............. 12.936-13. 068 (0.5093-0.5145)
PTO Bearing Inside Diameter (Maximum), mm (in) ............. 35.069 (1.3807)

Valves

Clearance Between Valve Stem And Rocker Arm, mm (in) ............. 0.15 (0.006)
Intake Valve Stem Diameter (Minimum), mm (in) ............. 6.930 (0.2728)
Exhaust Valve Stem Diameter (Minimum), mm (in) ............. 6.915 (0.2722)
Valve Spring Free Length, mm (in) ............. 37.5 (1.47)
Intake/Exhaust Valve Seat Width, mm (in) ............. 1.10-1.46 (0.043-0.057)
Valve Guide Inside Diameter, mm (in) ............. 7.00-7.015 (0.2756-0.2762)

Crankshaft and Camshaft

Crankshaft Bearing Journal Diameter (PTO Side, Minimum), mm (in) ............. 34.919 (1.3747)
Crankshaft Bearing Journal Diameter (Magneto Side, Minimum), mm (in) ............. 34.945 (1.3757)
Crank Pin Outside Diameter (Minimum), mm (in) ............. 40.928 (1.6113)
Balancer Link Rod Journal Outside Diameter (Minimum), mm (in) ............. 53.950 (2.1240)
Crankshaft End Play, mm (in) ............. 0.09-0.22 (0.0035-0.0087)
Balancer Link Rod Big End Inside Diameter (Maximum), mm (in) ............. 54.121 (2.1307)
Camshaft Bearing Inside Diameter (Maximum), mm (in) ............. 21.076 (0.8298)
Camshaft Bearing Inside Diameter (Minimum), mm (in) ............. 20.076 (0.7904)
Camshaft Bearing Journal Diameter (Camshaft Side, Minimum), mm (in) ............. 20.912 (0.8233)
Camshaft Bearing Journal Diameter (Gear Side, Minimum), mm (in) ............. 19.912 (0.7839)
Lobe Height (Minimum), mm (in) ............. 36.75 (1.447)

John Deere 170 Engine Tightening Torque Specs

Connecting rod bolt, Nm (lbf-in) ............. 20 (180)
Crankcase cover bolt, Nm (lbf-in) ............. 26 (230)
Valve clearance adjust nut, Nm (lbf-in) ............. 20 (180)
Cylinder head bolt and nut, Nm (lbf-in) ............. 52 (380)
Flywheel nut, Nm (lbf-in) ............. 137 (101)
Electric starter to block bolt and nut, Nm (lbf-in) ............. 16 (140)
Electric starter terminal nut, Nm (lbf-in) ............. 9 (80)
Oil drain plug, Nm (lbf-in) ............. 23 (200)
PTO side crankshaft end bolt (with plane washer), Nm (lbf-in) ............. 38 (340)
Engine mounting flange bolt (M8) (if equipped), Nm (lbf-in) ............. 20 (180)

JOHN DEERE TRACTORS ATTACHMENTS
420	430	455	790	990
X300	X320	X330	X350	X475
X485	X500	X540	X570	X590
X700	X720	X738	X758	1023E
2025R	2210	2520	3025E	3032E
3038E	3038R	3039R	3046R	3203
3320	3520	4052R	4066R	4100
4105	4115	4200	4310	4320
4400	4410	4520	4600	4720

JD TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R