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John Deere 317 Lawn Tractor Engine
John Deere 317 Engine Specifications
Engine Model ............. Kohler KT17QS
Engine Type ............. 4-Stroke, gasoline, twin-cylinder air-cooled
Number of Cylinders ............. 2
Displacement, cc (cu.in) ............. 692 (42.2)
Engine Bore, mm (in) ............. 79.4 (3.13)
Engine Stroke, mm (in) ............. 69.8 (2.75)
Rated Engine Power, hp (kW) ............. 17.0 (12.7)
Rated Engine Speed, rpm ............. 3600
Fuel System Type ............. Carburetor
Carburetor Model ............. Kohler
Carburetor Type ............. Side draft, adjustable jet
Fuel Pump ............. Mechanically operated
Governor ............. Mechanical
Lubrication ............. Pressurized
Oil Pump ............. Rotor type
Oil Capacity, L (qts) ............. 1.42 (1.50)
Electrical System Rating, Volts ............. 12
Charging System ............. Alternator
Weight, kg (lbs) ............. 53.5 (118)
John Deere 317 Engine Maintenance Data
Valve Adjustment
Intake Valve Clearance (Cold), mm (in) ............. 0.076-0.152
(0.003-0.006)
Exhaust Valve Clearance (Cold), mm (in) ............. 0.278-0.354
(0.011-0.014)
Valve Lift (Zero Lash), mm (in) ............. 7.11 (0.280)
Intake Valve Stem to Guide (Max), mm (in) ............. 0.114 (0.0045)
Engine Oil and Filters
Engine Oil Type (Summer) ............. SAE 30
Engine Oil Type (Winter) ............. SAE 5W-20, 5W-30
Oil Classification ............. SF or SG
Oil Capacity (w/o Filter), L (qts) ............. 1.5 (1.6)
Oil Capacity (with Filter), L (qts) ............. 1.9 (2.0)
Oil Filter Part Number ............. 12-050-01-S
Air Filter Part Number ............. 45-083-02-S
Carburetor Adjustment
Main Fuel ............. 2-1/2 turns
Idle Fuel ............. 1 to 1-1/4 turns
Low Idle Speed, rpm ............. 1200±75
High Idle Speed, rpm ............. 3600±50
Ignition System
Spark Plug Type ............. Champion RBL15Y
Spark Plug Gap, mm (in) ............. 0.635 (0.025)
Breaker Point Gap, mm (in) ............. 0.432-0.580 (0.017-0.023)
Thread Size, mm (in) ............. 14 (0.55)
Spark Plug Reach, mm (in) ............. 11.7 (0.46)
Spark Plug Torque, Nm (ft-lbs) ............. 14-20 (10-15)
John Deere 317 Engine Service Specifications
Cylinder Block
Cylinder Bore Diameter (Std), in (mm) ............. 3.125 (79.375)
Cylinder Bore Diameter (Max. Wear), in (mm) ............. 3.128 (79.45)
Cylinder Bore (Max. Taper), in (mm) ............. 0.0015 (0.038)
Cylinder Bore (Max. Out of Round), in (mm) ............. 0.002 (0.05)
Camshaft End Play, in (mm) ............. 0.003-0.013 (0.077-0.330)
Camshaft Bearing, in (mm) ............. 0.0010-0.0025 (0.025-0.063)
Crankcase End Play (Ball Bearing), in (mm) ............. 0.002-0.023
(0.051-0.580)
Valves
Intake Valve to Tappet (Cold), in (mm) ............. 0.003-0.006
(0.076-0.150)
Exhaust Valve to Tappet (Cold), in (mm) ............. 0.011 -0.014
(0.279-0.355)
Valve Lift (Zero Lash), in (mm) ............. 0.280 (7.11)
Intake Valve Stem to Guide (Max), in (mm) ............. 0.0045 (0.114)
Exhaust Valve Stem to Guide (Max), in (mm) ............. 0.0065 (0.165)
Tappet Clearance in Guide (Max), in (mm) ............. 0.0005-0.0024
(0.013-0.060)
Valve Guide Interference Fit in Cylinder, in (mm) .............
0.005-0.002 (0.013-0.051)
Valve Guide Ream Diameter, in (mm) ............. 0.312-0.313
(7.925-7.950)
Piston and Piston Rings
Piston Thrust Face to Bore Running, in (mm) ............. 0.006-0.008
(0.15-0.20)
Top Ring Side Clearance, in (mm) ............. 0.002-0.004 (0.051-0.10)
Second Ring Side Clearance, in (mm) ............. 0.001-0.003
(0.025-0.077)
Oil Ring Side Clearance, in (mm) ............. 0.001-0.003 (0.025-0.077)
Rings End Gap, in (mm) ............. 0.010-0.020 (0.254-0.508)
Wrist Pin to Piston Boss (Max), in (mm) ............. 0.0003 (0.008)
Wrist Pin to Rod, in (mm) ............. 0.0006-0.0011 (0.016-0.027)
Piston Thrust Face Diameter (Max. Wear), in (mm) ............. 3.1165
(79.159)
Crankshaft
Crankshaft End Play (Sleeve Bearing), in (mm) ............. 0.002-0.014
(0.051-0.355)
Crankshaft Running Clearance (Sleeve Bearing), in (mm) .............
0.0013-0.0033 (0.034-0.083)
Crankshaft Crankpin Diameter (Std), in (mm) ............. 1.3733-1.3738
(34.882-34.895)
Crankshaft Crankpin (Max. Out of Round), in (mm) ............. 0.0005
(0.013)
Crankshaft Crankpin (Max. Taper), in (mm) ............. 0.001 (0.025)
Crankshaft Main Bearing Diameter (Std), in (mm) .............
1.7412-1.7422 (44.226-44.252)
Crankshaft Main Bearing Diameter (Min), in (mm) ............. 1.7407
(44.22)
Connecting Rod
Connecting Rod to Piston Pin Running, in (mm) .............
0.0006-0.0011 (0.016-0.027)
Connecting Rod to Side Play on Crankpin, in (mm) .............
0.005-0.016 (0.13-0.41)
Connecting Rod to Crankpin Running, in (mm) ............. 0.0012-0.0024
(0.030-0.060)
Connecting Rod Crankpin Bore Diameter, in (mm) .............
1.3750-1.3757 (34.925-34.943)
Connecting Rod Crankpin Bore Diameter (Max), in (mm) .............
1.3765 (34.963)
Connecting Rod Wristpin Bore Diameter, in (mm) ............. 0.62565
(15.891)
John Deere 317 Engine Tightening Torque Specs
Spark Plugs, Nm (ft-lbs) ............. 14-20 (10-15)
Flywheel Retaining Screw, Nm (ft-lbs) ............. 54 (40)
Manifold Screws, Nm (ft-lbs) ............. 17 (12.6)
Closure Plate Screws, Nm (ft-lbs) ............. 17 (12.6)
Cylinder Head Screws, Nm (ft-lbs) ............. 20-27 (15-20)
Cylinder Barrel Stud Nuts, Nm (ft-lbs) ............. 40.5 (30)
Connecting Rod Screws, Nm (ft-lbs) ............. 23 (17)
Connecting Rod Nuts, Nm (ft-lbs) ............. 15.8 (11.7)
Crankcase Stud Nuts, Nm (ft-lbs) ............. 29 (21.5)
Crankcase Cap Screws, Nm (ft-lbs) ............. 17 (12.6)
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JOHN DEERE LAWN TRACTORS SPECIFICATIONS |
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ENGINES FOR JOHN DEERE LAWN TRACTORS |
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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 |
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JOHN DEERE FRONT END LOADERS |
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JD TRACTORS TROUBLESHOOTING | ||||
2640 | 3040 | 3310 | 3650 | 4100 |
5050D | 5090R | 5410 | 6105R | 7200R |
E130 | L111 | LA110 | LT155 | X300R |
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JOHN DEERE FARM TRACTORS SPECIFICATIONS |
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