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Cub Cadet 1541 Engine
Cub Cadet 1541 Engine Specifications
Engine Model ........... Kohler Magnum M18
Engine Type ........... Gasoline, 4-cycle twin cylinder air-cooled
Number of Cylinders ........... 2
Displacement, cc (cu.in) ........... 691.3 (42.2)
Engine Bore, mm (in) ........... 79 (3.12)
Engine Stroke, mm (in) ........... 70 (2.75)
Rated Engine Power, hp (kW) ........... 18.0 (13.4)
Rated Engine Speed, rpm ........... 3600
Idle Speed, rpm ........... 1200
Compression ........... 6.0:1
Fuel System Type ........... Carburetor
Carburetor Model ........... Kohler or Walbro
Carburetor Type ........... Adjustable main jet or fixed jet
Fuel Pump Type ........... Mechanical
Fuel Filter Type ........... In-line
Governor Type ........... Mechanical
Lubrication ........... Full pressure
Oil filter ........... Full-flow type
Air Cleaner ........... Replaceable, paper element
Ignition Type ........... Electronic
Electrical System Rating, Volts ........... 12
Starter Type ........... Electric
Cub Cadet 1541 Engine Maintenance Data
Valve Adjustment
Intake Valve Clearance, mm (in) ........... 0.08-0.16 (0.003-0.006)
Exhaust Valve Clearance, mm (in) ........... 0.28-0.35 (0.011-0.014)
Exhaust/Intake Valve Minimum Lift (Zero Lash), mm (in) ...........
6,9322 (0,274)
Intake Valve Stem O.D (Minimum), mm (in) ........... 7,85059 (0,3103)
Exhaust Valve Stem O.D (Minimum), mm (in) ........... 7,81264 (0,3088)
Engine Oil and Filters
Engine Oil Type (Summer Time) ........... SAE 10W-30
Engine Oil Type (Winter Time) ........... SAE 5W-20, 5W-30
Oil Classification (API) ........... SG, SH, SJ or higher.
Oil Capacity (without filter), L (qts) ........... 1.6 (1.7)
Oil Capacity (with filter), L (qts) ........... 1.4 (1.5)
Oil Filter Part Number ........... 12 050 01-S
Air Filter Part Number ........... 45 083 02-S
Kohler Carburetor Adjustment
Main Fuel ........... 2-1/2 turns
Low Idle ........... 1 turn
Low Idle Speed, rpm ........... 1200±75
High Idle Speed, rpm ........... 3600±50
Walbro Carburetor Adjustment
Main Fuel (Fixed Jet) ........... Not adjust
Main Fuel (Adjustable Jet) ........... 1-1/4 turns
Low Idle ........... 1-1/4 turns
Low Idle Speed, rpm ........... 1200±75
High Idle Speed, rpm ........... 3600±50
Ignition System
Spark Plug Type ........... Champion RV17YC
Spark Plug Gap, mm (in) ........... 0.89 (0.035)
Module Air Gap, mm (in) ........... 0.2-0.3 (0.008-0.012)
Spark Plug Torque, Nm (ft-lbs) ........... 13.5-20.3 (10-15)
Cub Cadet 1541 Engine Service Data
Cylinder Block
Cylinder Bore Inside Diameter (Std), mm (in) ........... 79,075-79,050
(3,1255-3,1245)
Cylinder Bore Inside Diameter (Max. Wear Limit), mm (in) ...........
79,1384 (3,128)
Cylinder Bore (Max Out of Round), mm (in) ........... 0,0506 (0,002)
Cylinder Bore (Max. Taper), mm (in) ........... 0,03795 (0,0015)
Camshaft End Play, mm (in) ........... 0,0759-0,3289 (0,003-0,013)
Connecting Rod to Crankpin Clearance (Std), mm (in) ...........
0,0304-0,0608 (0,0012-0,0024)
Connecting Rod to Crankpin Clearance (Wear Limit), mm (in) ...........
0,07337 (0,0029)
Connecting Rod to Piston Pin Clearance (Std), mm (in) ...........
0,0152-0,0278 (0,0006-0,0011)
Connecting Rod Small End I.D. (Std), mm (in) ........... 15,825-15,833
(0,6255-0,6258)
Cylinder Head and Valves
Cylinder Head (Max. Out of Flatness), mm (in) ........... 0,0759 (0,003)
Valves Guide Reamer Size, mm (in) ........... 7,90625 (0,3125)
Intake Valve Tappet Clearance (Cold), mm (in) ........... 0,076-0,152
(0,003-0,006)
Exhaust Valve Tappet Clearance (Cold), mm (in) ........... 0,278-0,354
(0,011-0,014)
Intake Valve Minimum Lift (Zero Lash), mm (in) ........... 6,9322
(0,274)
Exhaust Valve Minimum Lift (Zero Lash), mm (in) ........... 6,9322
(0,274)
Intake Valve Stem O.D (Minimum), mm (in) ........... 7,85059 (0,3103)
Exhaust Valve Stem O.D (Minimum), mm (in) ........... 7,81264 (0,3088)
Nominal Valve Seat Angle (earlier), deg ........... 45
Nominal Valve Seat Angle (later), deg ........... 30
Intake Valve Guide I.D (Max. Wear), mm (in) ........... 0,1265 (0,005)
Exhaust Valve Guide I.D (Max. Wear), mm (in) ........... 0,1771 (0,007)
Piston and Piston Rings
Piston Thrust Face O.D (Std), mm (in) ........... 78,961-78,944
(3,1210-3,1203)
Piston Thrust Face O.D (Max. Wear Limits), mm (in) ........... 78,8879
(3,1181)
Piston Thrust Face to Bore Clearance (Std), mm (in) ...........
0,0886-0,1312 (0,0035-0,0052)
Piston Ring End Gap (Std Bore), mm (in) ........... 0,253-0,582
(0,010-0,023)
Piston Ring End Gap (Used Bore), mm (in) ........... 0,8096 (0,032)
Max. Piston Ring Side Clearance, mm (in) ........... 0,1518 (0,006)
Piston Pin Outside Diameter, mm (in) ........... 15,805-15,810
(0,6247-0,6249)
Crankshaft
Crankshaft Main PTO and Flywheel End O.D (Std), mm (in) ...........
44,052-44,078 (1,7412-1,7422)
Crankshaft Main PTO and Flywheel End O.D (Max Wear Limit), mm (in)
........... 44,03971 (1,7407)
Crankshaft Max. Out of Round (Sleeve), mm (in) ........... 0,01265
(0,0005)
Crankshaft Max. Taper (Sleeve), mm (in) ........... 0,0253 (0,001)
Crankshaft Main Running Clearance (Max Std), mm (in) ........... 0,12397
(0,0049)
Crankshaft Main Running Clearance (Wear Limit), mm (in) ...........
0,14927 (0,0059)
Crankshaft Main New Sleeve Bearing I.D (Installed), mm (in) ...........
44,121-44,176 (1,7439-1,7461)
Crankpin O.D (Std), mm (in) ........... 34,757-34,744 (1,3738-1,3733)
Crankpin O.D (Max. Wear Limit), mm (in) ........... 34,73184 (1,3728)
Crankpin (Max. Out of Round), mm (in) ........... 0,01265 (0,0005)
Crankpin (Max. Taper), mm (in) ........... 0,0253 (0,001)
Crankshaft End Play, mm (in) ........... 0,051-0,354 (0,002-0,014)
Cub Cadet 1541 Engine Tightening Torque
Specifications
Cylinder Head, Nm (ft-lbs) ........... 20.3-27.1 (15-20)
Connecting Rods (New), Nm (ft-lbs) ........... 15.8 (11.7)
Connecting Rods (Used), Nm (ft-lbs) ........... 11.2 (8.3)
Flywheel Screw, Nm (ft-lbs) ........... 54.0 (40.0)
Manifold Screw/Nut, Nm (ft-lbs) ........... 16.9 (12.5)
Fuel Pump Mounting Screws, Nm (ft-lbs) ........... 4.2-5.1 (3.1-3.8)
Ignition Module, Nm (ft-lbs) ........... 3.6 (2.7)
Spark Plugs, Nm (ft-lbs) ........... 13.5-20.3 (10-15)
Oil Filter, Nm (ft-lbs) ........... 5.7-9.1 (4.2-6.7)
Closure Plate, Nm (ft-lbs) ........... 16.9 (12.5)
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CUB CADET TRACTORS SPECIFICATIONS |
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ENGINES FOR CUB CADET LAWN TRACTORS |
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CUB CADET TRACTORS TROUBLESHOOTING | ||||
1050 | 1863 | 2166 | 2182 | 2186 |
3184 | 3205 | GT1554 | GT2550 | GTX2100 |
LT1040 | LT1042 | LT1045 | LT1046 | LT1050 |
LT2180 | LTX1040 | LTX1042 | LTX1045 | LTX1046 |
LTX1050 | SLTX1054 | XT1 LT42 | XT1 LT46 | XT3 GSX |