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John Deere X320 Engine

John Deere X320 Engine Specifications

Engine Model ............. Kawasaki FH661V
Engine Type ............. Gasoline V-Twin, Forced Air-cooled, Vertical Shaft
Number of Cylinder ............. 2
Piston Displacement, cc (cu.in) ............. 675 (41.19)
Engine Bore, mm (in) ............. 75.2 (2.96)
Engine Stroke, mm (in) ............. 76.0 (2.99)
Engine Power, Hp (kW) ............. 22.0 (16.3)
Fast Idle Speed, rpm ............. 3600
Low Idle Speed, rpm ............. 1550
Carburetor Type ............. Float type, fixed main jet, two barrel
Fuel Pump ............. Diaphragm Type Pulse Pump
Fuel Type (min. octane) ............. 86 Octane Unleaded
Governor ............. Flyweight all speed governor
Compression Release ............. Automatic compression release
Direction of Rotation ............. Counterclockwise facing the PTO Shaft
Choke Control ............. Automatic (with Throttle Control)
Cooling System ............. Forced air cooling by fan
Air Cleaner ............. Dual stage element, dry type
Lubricating System Type ............. Pressure feed by positive displacement pump
Oil Filter ............. Cartridge type full flow filter
Oil Pressuer Switch ............. ON-OFF switch
Ignition System Type ............. Transistorized Flywheel Magneto
Charging Coil ............. 12V-13 amps with regulator
Spark Plug ............. NGK BPR4ES
Electrical System Rating, Volts ............. 12
Starting System Electric starter and/or recoil starter
Recommended Battery ............. 12V-200CCA

John Deere X320 Engine Maintenance Data

Valve Adjustment

Intake Valve Clearance (Cold), mm (in) ............. 0.10-0.15 (0.0040-0.0059)
Exhaust Valve Clearance (Cold), mm (in) ............. 0.10-0.15 (0.0040-0.0059)
Valve stem runout (Intake, Exhaust), mm (in) ............. 0.05 (0.002)
Valve stem diameter (Intake), mm (in) ............. 5.95 (0.0234)
Valve stem diameter (Exhaust), mm (in) ............. 5.93 (0.0233)

Engine Oil and Filter

Engine Oil Type ............. SAE 10W-30/10W-40, SAE 5W-20
Oil Classification ............. SF, SG, SH, SJ or SL
Oil Capacity (w/o Filter), L (qts) ............. 1.7 (1.8)
Oil Capacity (with New Filter), L (qts) ............. 1.8 (1.9)
Oil Filter Part Number ............. AM107423
Air Filter Part Number ............. M150949

Carburetor Adjustment

Model ............. Nikki 621266
Throttle bore diameter, mm (in) ............. 26 (1.02)
Venturi diameter, mm (in) ............. 21 (0.83)
Main Jet ............. L: #122, R: #128
Pilot jet ............. L: #46, R: #44
Main air jet, mm ............. 1.7/1.6
Pilot air jet, mm ............. 1.1/1.4
Pilot air screw turns out ............. L: 2-1/4, R: 1-1/4
Low Idle Speed, rpm ............. 1550
High Idle Speed, rpm ............. 3600

Ignition System

Plug Type ............. NGK BPR4ES
Plug Gap, mm (in) ............. 0.75 (0.0296)
Ignition Coil Air Gap, mm (in) ............. 0.20-0.40 (0.0079-0.0158)
Spark Plug Torque, Nm (ft-lb) ............. 22 (16)

John Deere X320 Engine Service Specifications

Cylinder Block

Cylinder compression, kPa (psi) ............. 390 (57)
Cylinder inside diameter (Standard), mm (in) ............. 75.28 (2.964)
Cylinder inside diameter (0.50 Oversize), mm (in) ............. 75.78 (2.983)
Cylinder bore diameter (Standard), mm (in) ............. 75.18-75.20 (2.960-2.961)
Cylinder bore diameter (0.50 Oversize), mm (in) ............. 75.68-75.70 (2.979-2.980)
Cylinder bore out round, mm (in) ............. 0.056 (0.0022)
Connecting rod small end inside diameter, mm (in) ............. 16.05 (0.632)
Cam lobe height, mm (in) ............. 29.621 (1.166)

Cylinder Head and Valves

Cylinder head warp, mm (in) ............. 0.05 (0.002)
Valve clearance (Intake, Exhaust), mm (in) ............. 0.10-0.15 (0.0040-0.0059)
Valve seating surface angle (Intake, Exhaust), deg ............. 45
Valve seating surface width (Intake), mm (in) ............. 0.8-1.4 (0.03-0.06)
Valve seating surface width (Exhaust), mm (in) ............. 1.1-1.6 (0.04-0.06)
Valve guide inside diameter (Intake, Exhaust), mm (in) ............. 6.00-6.012 (0.2362-0.2367)
Valve head thickness (Intake, Exhaust), mm (in) ............. 0.35 (0.014)
Valve guide inside diameter (Intake, Exhaust), mm (in) ............. 6.08 (0.239)
Valve spring free length (Intake, Exhaust), mm (in) ............. 31.0 (1.22)
Rocker arm push rod run out (Intake, Exhaust), mm (in) ............. 0.5 (0.02)

Piston and Piston Rings

Piston diameter, mm (in) ............. 74.99 (2.952)
Piston top ring/groove clearance, mm (in) ............. 0.18 (0.007)
Piston second ring/groove clearance, mm (in) ............. 0.16 (0.006)
Piston ring thickness, mm (in) ............. 1.40 (0.055)
Piston top ring end gap, mm (in) ............. 0.65 (0.026)
Piston second ring end gap, mm (in) ............. 0.78 (0.031)
Piston oil ring end gap, mm (in) ............. 1.05 (0.041)
Piston pin outside diameter, mm (in) ............. 15.96 (0.628)
Piston pin hole inside diameter, mm (in) ............. 16.08 (0.633)

Crankshaft and Connecting Rod

Connecting rod big end width, mm (in) ............. 19.90 (0.783)
Crankpin width, mm (in) ............. 43.1 (1.697)
Connecting rod big end inside diameter, mm (in) ............. 38.055 (1.498)
Crankpin outside diameter, mm (in) ............. 37.94 (1.494)
Crankshaft journal diameter, mm (in) ............. 39.896 (1.571)
Crankshaft journal bearing inside diameter, mm (in) ............. 40.15 (1.581)

John Deere X320 Engine Tightening Torque Specs

Cylinder Head Bolts ............. 25 Nm (19 ft-lb)
Valve Clearance Lock Screws ............. 6.9 Nm (61 in-lb)
Connecting Rod Big End ............. 5.9 Nm (52 in-lb)
Rocker Arm Bolts ............. 28 Nm (20 ft-lb)
Rocker Cover Mounting Bolts ............. 5.9 Nm (52 in-lb)
Exhaust Pipe Flange Nuts ............. 15 Nm (11 ft-lb)
Spark Plugs ............. 22 Nm (16 ft-lb)
Drain Screw (Carburetor) ............. 1.3 Nm (11 in-lb)
Governor Arm Clamp Nut ............. 7.8 Nm (69 in-lb)
Intake Manifold Mounting Bolts ............. 5.9 Nm (52 in-lb)
Cleaner Body Mounting Screws ............. 3.4 Nm (30 in-lb)
Plug Bolt (Engine-shroud) ............. 5.9 Nm (52 in-lb)
Plug Screw (Engine-shroud) ............. 3.4 Nm (30 in-lb)
Choke Valve Screw ............. 0.7 Nm (6 in-lb)
Throttle Valve Screws ............. 1.0 Nm (9 in-lb)

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