Kohler Logo Lister 5/1 Diesel

Kohler Engine Specifications

Twin Cylinder Engines Page 1: KT17 - KT21, K532 - K582

Horsepower
Engine Model 		17hp
KT17 		19hp
KT19 		21hp
KT21 		20hp
K532 		23hp
K582
Engine
Construction 		Ali Block
CI Cylinder 		CI Block
& Barrel
Cu In
Cu Cm 		42.18
691.39 		47.00
770.40 		52.76
864.78 		53.68
879.66 		57.70
945.53
Cylinder
New 		3.125"
79.375 mm 		3.125"
79.375 mm 		3.312"
84.125mm 		3.375"
55.70mm 		3.50"
88.90mm
Cylinder
Worn 		3.128"
79.45 mm 		3.128"
79.45 mm 		3.315"
84.20mm 		3.378"
55.80mm 		3.503"
88.776mm
Cylinder
Taper 		0.0015"
0.038 mm 		0.0015"
0.038mm 		0.0015"
0.038mm 		0.0015"
0.038mm 		0.0015"
0.038mm
Cyl Out
Of Round 		0.002"
0.05 mm 		0.002"
0.05 mm 		0.002"
0.05 mm 		0.005"
0.127 mm 		0.005"
0.127 mm
Crankshaft End
Play (Sleeve Brg) 		0.002/0.014"
0.051/0.355mm 		0.002/0.014"
0.051/0.355mm 		0.002/0.014"
0.051/0.355mm 		0.004/0.010"
0.102/0.254mm 		0.004/0.010"
0.102/0.254mm
Crankshaft End
Play (Ball Brg) 		0.002/0.023"
0.051/0.580mm 		0.002/0.023"
0.051/0.580mm 		0.002/0.023"
0.051/0.580mm 		-- --
Crank Front/
Rear Dia (Slv Brg) 		1.742"
44.00mm 		1.742"
44.00mm 		1.742"
44.00mm 		1.750"
44.45mm 		1.750"
44.45mm
Crank Front/
Rear Dia (Ball Brg) 		1.378"
34.92mm 		1.378"
34.92mm 		1.378"
34.92mm 		1.772"
45.10mm 		1.772"
45.10mm
Crank Sleeve
Brg Clearance 		0.0013/0.0033"
0.033/0.0838mm 		0.0013/0.0033"
0.033/0.0838mm 		0.0013/0.0033"
0.033/0.0838mm 		0.0015/0.004"
0.0381/0.0838mm 		0.0015/0.004"
0.0381/0.0838mm
Crankpin
New Dia 		1.3738/1.3733"
34.899/34.887mm 		1.3738/1.3733"
34.899/34.887mm 		1.3738/1.3733"
34.899/34.887mm 		1.625"
41.275mm 		1.625"
41.275mm
Crankpin Out
Of Round 		0.0005"
0.013mm 		0.0005"
0.013mm 		0.0005"
0.013mm 		0.0005"
0.013mm 		0.0005"
0.013mm
Crankpin
Max Taper 		0.001"
0.025mm 		0.001"
0.025mm 		0.001"
0.025mm 		0.001"
0.025mm 		0.001"
0.025mm
Camshaft
Clearance 		0.001/0.0025"
0.025/0.063mm 		0.001/0.0025"
0.025/0.063mm 		0.001/0.0025"
0.025/0.063mm 		0.0005/0.0045"
0.013/0.104mm 		0.0005/0.0045"
0.013/0.104mm
Camshaft
End Float 		0.003/0.013"
0.077/0.330mm 		0.003/0.013"
0.077/0.330mm 		0.003/0.013"
0.077/0.330mm 		0.017/0.038"
0.432/0.956mm 		0.017/0.038"
0.432/0.956mm
Con Rod Big
End Max Dia 		1.376"
34.95mm 		1.376"
34.95mm 		1.501"
38.125mm 		1.627"
41.326mm 		1.627"
41.326mm
Con Rod Big
End Clearance 		0.0035"
0.089mm 		0.0035"
0.089mm 		0.0035"
0.089mm 		0.0035"
0.089mm 		0.0035"
0.089mm
Con Rod Small
End Pin New Dia 		0.62565"
15.891mm 		0.7511"
19.078mm 		0.85975"
21.837mm 		0.87585"
22.247mm 		0.87585"
22.247mm
Con Rod Small
End Clearance 		0.0006/0.0011"
0.016/0.027mm 		0.0006/0.0011"
0.016/0.027mm 		0.0003/0.0008"
0.008/0.020mm 		0.0003/0.0008"
0.008/0.020mm 		0.0003/0.0008"
0.008/0.020mm
Piston Thrust Face *
Max Wear Dia 		3.1165"
79.159mm 		3.1165"
79.159mm 		3.303"
83.896mm 		3.3625"
85.410mm 		3.4945"
88.760mm
Piston Thrust Face
-Bore Clearance 		0.006/0.008"
0.15/0.20mm 		0.0065/ 0.0085"
0.165/0.215mm 		0.0065/ 0.0085"
0.165/0.215mm 		0.007/ 0.010"
0.178/0.254mm 		0.007/ 0.010"
0.178/0.254mm
Piston Ring Max
Side Clearance 		0.004"
0.10mm 		0.004"
0.10mm 		0.004"
0.10mm 		0.006"
0.152mm 		0.006"
0.152mm
Piston Ring New
Gap Clearance 		0.010/0/020"
0.254/0.508mm 		0.010/0/020"
0.254/0.508mm 		0.010/0/020"
0.254/0.508mm 		0.010/0/020"
0.254/0.508mm 		0.010/0/020"
0.254/0.508mm
Piston Ring Worn
Gap Clearance 		0.030"
0.762mm 		0.030"
0.762mm 		0.030"
0.762mm 		0.030"
0.762mm 		0.030"
0.762mm
Inlet Valve
Tappet Cold 		0.008/0.011"
0.203/0/279mm 		0.008/0.011"
0.203/0/279mm 		0.008/0.011"
0.203/0/279mm 		0.008/0.010"
0.203/0.254mm 		0.008/0.010"
0.203/0.254mm
Inlet Valve Max
Lift (Zero Tappet Cl.) 		0.280"
7.11mm 		0.280"
7.11mm 		0.280"
7.11mm 		0.324"
8.23mm 		0.324"
8.23mm
Inlet Valve Stem-
-Guide Clearance Max 		0.0045"
0.114mm 		0.0045"
0.114mm 		0.0045"
0.114mm 		0.0045"
0.114mm 		0.0045"
0.114mm
Exhaust Valve
Tappet Cold 		0.011/0.014"
0.279/0.355mm 		0.011/0.014"
0.279/0.355mm 		0.011/0.014"
0.279/0.355mm 		0.017/0.020"
0.432/0.508mm 		0.017/0.020"
0.432/0.508mm
Exhaust Valve Max
Lift (Zero Tappet Cl.) 		0.280"
7.11mm 		0.280"
7.11mm 		0.280"
7.11mm 		0.324"
8.230mm 		0.324"
8.230mm
Exhaust Valve Stem
-Guide Clearnce 		0.0065"
0.165mm 		0.0065"
0.165mm 		0.0065"
0.165mm 		0.0065"
0.165mm 		0.0065"
0.165mm
Cam Follower
Clearance in Guide 		0.0005/0.0024"
0.013/0.060mm 		0.0005/0.0024"
0.013/0.060mm 		0.0005/0.0024"
0.013/0.060mm 		0.0012/0.0023"
0.030/0.058mm 		0.0012/0.0023"
0.030/0.058mm
Spark Plug
Gap - Magneto 		Not
Used 		Not
Used 		Not
Used 		0.035"
0.889mm 		0.035"
0.889mm
Spark Plug
Gap - Battery 		0.025"
0.635mm 		0.025"
0.635mm 		0.025"
0.635mm 		0.035"
0.889mm 		0.035"
0.889mm
Spark Plug
Gap - Gaseous Fuel 		0.018"
0.457mm 		0.018"
0.457mm 		0.018"
0.457mm 		0.018"
0.457mm 		0.018"
0.457mm
Spark Plug
Gap - Resistor Plug 		0.025"
0.635mm 		0.025"
0.635mm 		0.025"
0.635mm 		0.025"
0.635mm 		0.025"
0.635mm
Contact Breaker
Nominal Gap 		0.020"
0.508mm 		0.020"
0.508mm 		0.020" ***
0.508mm 		0.020"
0.508mm 		0.020"
0.508mm
Contact Breaker
Spark Run BTDC 		23 Degrees 23 Degrees 23 Degrees 22.5 Degrees 22.5 Degrees
Torque
Spark
Plug 		11-15 ft lbs
1.4 - 2.1kg m
14-20 nm 		11-15 ft lbs
1.4 - 2.1kg m
14-20 nm 		11-15 ft lbs
1.4 - 2.1kg m
14-20 nm 		18-22 ft lbs
2.76 kg m
27.1 nm 		18-22 ft lbs
2.76 kg m
27.1 nm
Torque
Cylinder
Head 		15-20 ft lbs
2.415kg m
23.71 nm 		15-20 ft lbs
2.415kg m
23.71 nm 		15-20 ft lbs
2.415kg m
23.71 nm 		35 ft lbs
4.83kg m
47.42 nm 		35 ft lbs
4.83kg m
47.42 nm
Torque
Connecting
Rod 		200 in lbs
2.3 kg m
23 nm 		200 in lbs
2.3 kg m
23 nm 		200 in lbs
2.3 kg m
23 nm 		200 in lbs ****
2.3 kg m
23 nm 		200 in lbs ****
2.3 kg m
23 nm
Torque *****
Flywheel
Nut/Screw 		40 ft lbs
5.5 kg m
54 nm 		40 ft lbs
5.5 kg m
54 nm 		40 ft lbs
5.5 kg m
54 nm 		115 ft lbs
15.87 kg m
155.82 nm 		115 ft lbs
15.87 kg m
155.82 nm

NOTES:

* Measure just below oil ring and at right angle to piston pin
**
*** 1800rpm Generator Engines 0.015" (0.38mm) and 16 Degree Timing
**** 3/8" Screw - 300lb ins (3.45kgm 33.87 nm)
***** 5/16" Screw - 250 in lbs / 2.88 kg m / 28.25 n m

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