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Cub Cadet 2135 Engine
Cub Cadet 2135 Engine Specifications
Engine Model ........... Kohler Command CH12.5S
Engine Type ........... Gasoline, 4-cycle 1-cylinder air-cooled
Number of Cylinders ........... Single
Displacement, cc (cu.in) ........... 398 (24.3)
Engine Bore, mm (in) ........... 87.0 (3.43)
Engine Stroke, mm (in) ........... 67.0 (2.64)
Rated Engine Power, hp (kW) ........... 12.5 (9.4)
Rated Engine Speed, rpm ........... 3600
Maximum Torque, Nm (ft-lbs) ........... 27.8 (20.5)
Torque Speed, rpm ........... 2500
Idle Speed, rpm ........... 1400
Compression ........... 8.5:1
Fuel System Type ........... Carburetor
Carburetor Model ........... Walbro or Nikki
Carburetor Type ........... Adjustable main jet or fixed jet
Fuel Pump Type ........... Mechanical
Fuel Filter ........... In-line
Governor ........... Mechanical
Lubrication ........... Full pressure
Oil filter ........... Full-flow type
Air Cleaner ........... Replaceable, paper element
Electrical System Rating, Volts ........... 12
Starter Type ........... Electric
Cub Cadet 2135 Engine Maintenance Data
Valve Adjustment
Intake Valve Clearance, mm (in) ........... 0.04-0.08 (0.0015-0.0030)
Exhaust Valve Clearance, mm (in) ........... 0.05-0.09 (0.0020-0.0035)
Intake Valve Guide Inside Diameter, mm (in) ........... 7.038-7.058
(0.2771-0.2779)
Exhaust Valve Guide Inside Diameter, mm (in) ........... 7.038-7.058
(0.2771-0.2779)
Valve Guide Reamer Size (Standard), mm (in) ........... 7.048 (0.2775)
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, L (qts) ........... 1.9 (2.0)
Oil Filter Part Number ........... 12 050 01-S
Air Filter Part Number ........... 47 083 01-S
Carburetor Adjustment
Main Fuel ........... 1-1/2 turns
Idle Fuel ........... 1-1/4 turns
Low Idle Speed, rpm ........... 1500±75
High Idle Speed, rpm ........... 3600±50
Ignition System
Spark Plug Type ........... Champion RC12YC
Spark Plug Gap, mm (in) ........... 1.01 (0.040)
Module Air Gap, mm (in) ........... 0.2-0.3 (0.008-0.012)
Thread Size, mm (in) ........... 14 (0.55)
Spark Plug Torque, Nm (ft-lbs) ........... 38.0-43.4 (28-32)
Cub Cadet 2135 Engine Repair Specifications
Cylinder Block
Cylinder Bore Inside Diameter (Standard), mm (in) ...........
87.000-87.025 (3.4252-3.4262)
Cylinder Bore Inside Diameter (Max. Wear Limit), mm (in) ...........
87.063 (3.4277)
Cylinder Bore (Max. Out of Round), mm (in) ........... 0.12 (0.0047)
Cylinder Bore Max. Taper, mm (in) ........... 0.05 (0.0020)
Cylinder Head Max. Out of Flatness, mm (in) ........... 0.076 (0.003)
Camshaft End Play (W/Shim), mm (in) ........... 0.076-0.127
(0.0030-0.0050)
Camshaft Clearance, mm (in) ........... 0.025-0.105 (0.00098-0.0041)
Camshaft Bore Inside Diameter, mm (in) ........... 20.000-20.025
(0.7874-0.7884)
Camshaft Bearing Surface Outside Diameter, mm (in) ...........
19.962-19.975 (0.7859-0.7864)
Connecting Rod to Crankpin Clearance, mm (in) ........... 0.030-0.055
(0.0012-0.0022)
Connecting Rod to Crankpin Side Clearance, mm (in) ........... 0.18-0.41
(0.007-0.016)
Connecting Rod to Piston Pin Clearance, mm (in) ........... 0.015-0.028
(0.0006-0.0011)
Valves
Hydraulic Valve Lifter to Crankcase Clearance, mm (in) ...........
0.0124-0.0501 (0.0005-0.0020)
Intake Valve Stem to Valve Guide Clearance, mm (in) ...........
0.038-0.076 (0.0015-0.0030)
Exhaust Valve Stem to Valve Guide Clearance, mm (in) ...........
0.050-0.088 (0.0020-0.0035)
Intake Valve Guide Inside Diameter, mm (in) ........... 7.038-7.058
(0.2771-0.2779)
Exhaust Valve Guide Inside Diameter, mm (in) ........... 7.038-7.058
(0.2771-0.2779)
Valve Guide Reamer Size (Standard), mm (in) ........... 7.048 (0.2775)
Valve Guide Reamer Size (0.25 Oversize), mm (in) ........... 7.298
(0.2873)
Intake Valve Minimum Lift, mm (in) ........... 8.96 (0.353)
Exhaust Valve Minimum Lift, mm (in) ........... 9.14 (0.360)
Nominal Valve Face Angle, degrees ........... 45
Valve Seat Angle (Intake/Exhaust), degrees ........... 89
Intake Valve Insert Outside Diameter, mm (in) ........... 37.987-38.013
(1.5015-1.5024)
Exhaust Valve Insert Outside Diameter, mm (in) ........... 34.013-33.987
(1.3443-1.3434)
Intake Valve Guide Depth, mm (in) ........... 6.50 (0.2559)
Exhaust Valve Guide Depth, mm (in) ........... 6.50 (0.2559)
Intake Valve Head Diameter, mm (in) ........... 35.63-35.37
(1.4083-1.3980)
Exhaust Valve Head Diameter, mm (in) ........... 31.63-31.37
(1.2502-1.2399)
Intake Valve Stem Diameter, mm (in) ........... 6.982-7.000
(0.2749-0.2756)
Exhaust Valve Stem Diameter, mm (in) ........... 6.970-6.988
(0.2744-0.2751)
Crankshaft
Crankshaft End Play (Free), mm (in) ........... 0.0575-0.4925
(0.0022-0.0193)
Crankshaft Bore (In Crankcase), mm (in) ........... 44.965-45.003
(1.7703-1.7718)
Crankshaft Bore (In Closure Plate), mm (in) ........... 41.960-42.035
(1.6519-1.6549)
Crankshaft Bore to Crankshaft Clearance, mm (in) ........... 0.025-0.120
(0.00098-0.00472)
Flywheel End Main Bearing Journal Outside Diameter, mm (in) ...........
44.913-44.935 (1.7682-1.7691)
Flywheel End Main Bearing Journal Max. Taper, mm (in) ........... 0.022
(0.0009)
Closure Plate End Main Bearing Journal Outside Diameter, mm (in)
........... 41.915-41.935 (1.6502-1.6510)
Closure Plate End Main Bearing Journal Max. Taper, mm (in) ...........
0.020 (0.0008)
Connecting Rod Journal Outside Diameter, mm (in) ...........
38.958-38.970 (1.5338-1.5343)
Connecting Rod Journal Max. Taper, mm (in) ........... 0.012 (0.0005)
Crankshaft T.I.R (PTO End, Crank in Engine), mm (in) ........... 0.304
(0.012)
Crankshaft T.I.R (Entire Crank, in V-Blocks), mm (in) ........... 0.10
(0.0039)
Piston and Piston Rings
Piston to Piston Pin Clearance, mm (in) ........... 0.006-0.017
(0.0002-0.0007)
Piston Pin Bore Inside Diameter, mm (in) ........... 19.006-19.012
(0.7483-0.7485)
Piston Pin Outside Diameter, mm (in) ........... 18.995-19.000
(0.7478-0.7480)
Top Compression Ring Groove Clearance, mm (in) ........... 0.040-0.105
(0.0016-0.0041)
Middle Compression Ring Groove Clearance, mm (in) ...........
0.040-0.072 (0.0016-0.0028)
Oil Control Ring Groove Clearance, mm (in) ........... 0.551-0.675
(0.0217-0.0266)
Top and Middle Compression Ring End Gap, mm (in) ........... 0.3-0.5
(0.012-0.020)
Piston Thrust Face Outside Diameter (Std), mm (in) ...........
86.941-86.959 (3.4229-3.4236)
Piston Thrust Face Outside Diameter (Wear Limit), mm (in) ...........
86.814 (3.4179)
Piston Thrust Face to Cylinder Bore Clearance, mm (in) ...........
0.041-0.044 (0.0016-0.0017)
Cub Cadet 2135 Engine Tightening Torque Specs
Cylinder Head, Nm (ft-lb) ........... 24, 48.9 (18, 36)
Rocker Arm Screw, Nm (ft-lb) ........... 11.3 (8.3)
Flywheel Retaining Screw, Nm (ft-lb) ........... 66.4 (49.1)
Connecting Rod Cap, Nm (ft-lb) ........... 11.3 (8.3)
Carburetor Mounting Nut, Nm (ft-lb) ........... 6.2 (5.4)
Closure Plate, Nm (ft-lb) ........... 24.4 (18.1)
Fuel Pump Screw, Nm (ft-lb) ........... 5.1 (3.8)
Spark Plug, Nm (ft-lb) ........... 38.0-43.4 (28-32)
Ignition Module, Nm (ft-lb) ........... 4.0-6.2 (2.9-4.6)
Muffler Retaining Nut, Nm (ft-lb) ........... 24.4 (18.1)
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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 |