Need help?Do you have a question about the Continental Motors C-125 and is the answer not in the manual?
Details differences between engine models like C-125, C-145, and O-300 variants.
Describes the construction of cylinder heads and barrels, including fins and spark plug inserts.
Details the construction of pistons, ring grooves, and floating piston pins.
Describes the conventional split bearing design and materials of connecting rods.
Details the alloy steel, six-throw crankshaft design and its support bearings.
Explains the two-piece crankcase, oil sump construction, and mounting points.
Covers the magnesium alloy rear crankcase cover housing oil pump and gears.
Details the zero lash hydraulic tappets and associated valve train components.
Explains the oil sump, pump, screens, and pressure relief valve system.
Provides general dimensions and weight of the engine shipping boxes.
Describes the standard wooden shipping boxes and securing methods.
Outlines procedures for removing the lid and unfastening the engine.
Details steps for preparing engines for storage to prevent corrosion and damage.
Explains checks needed before putting a stored engine back into service.
Lists critical checks to perform before attempting to start the engine.
Provides step-by-step instructions for starting the engine.
Details procedures for warming up the engine and performing ground tests.
Outlines procedures for take-off and initial climb phases.
Provides guidance for cruising operation, including speed and temperature limits.
Details procedures for landing approach and execution.
Explains the correct steps for shutting down the engine.
Advises on the use of carburetor heat control for optimal operation.
Lists essential daily checks for oil, fuel, controls, and general engine condition.
Outlines the detailed inspection and maintenance procedures for 100-hour intervals.
Describes the installation, removal, and adjustment of the carburetor.
Details the process for installing and timing magnetos correctly.
Refers to diagrams for the complete ignition wire system.
Covers the mounting and installation of the starter motor.
General guidelines for mounting the engine and preparing for disassembly.
Steps before major disassembly, like detaching cables, plugs, and accessories.
Step-by-step instructions for disassembling major engine components.
Covers general principles for repairing machined surfaces.
Details methods for flattening cast surfaces using lapping.
Provides instructions for removing and installing studs, including oversize options.
Explains how to install helical coil thread inserts for thread repair.
Instructions for reassembling major engine parts like cylinders and connecting rods.
Details the steps for the final assembly of the engine.
Outlines the procedure for running in and testing the engine after overhaul.
Lists dimensional limits and tolerances for crankcase parts.
Details dimensional limits and tolerances for the crankshaft and its components.
Lists dimensional limits and tolerances for connecting rods and bushings.
Provides dimensional limits for the camshaft and its bearings.
Lists dimensional limits for pushrod length.
Details dimensional limits for pistons, ring grooves, and piston pins.
Lists dimensional limits for valve guides, cylinder bores, and valve components.
Provides essential data for the MA-3SPA carburetor, including engine models and part numbers.
Details the correct mounting and installation of the carburetor on the engine.
Describes the major units and materials used in the carburetor construction.
Explains the function of the idle system, metering, and accelerating pump.
Describes the design and construction of the Bendix S4 and S6 series magnetos.
Details the steps for properly installing and timing the Bendix magnetos.
Covers routine inspection and maintenance of the magneto breaker points.
Lists critical points to consider when handling hydraulic tappets.
Details requirements for proper tappet function, including free fit and check-ball integrity.
Provides instructions for handling and initial assembly of hydraulic tappets.
Describes the Delco-Remy Model 1109656 starter's design and features.
Details the installation steps for the starter motor and its components.
Covers both normal maintenance and troubleshooting for the cranking motor.
Describes the Delco-Remy Model 1101876 aircraft generator.
Details the assembly and installation of the generator and its drive parts.
Covers normal maintenance and troubleshooting for the generator.
Describes the Delco-Remy voltage regulator unit and its functions.
Provides guidance on servicing the regulator, checking output, and diagnosing issues.
Explains the importance and method for cleaning regulator contact points.
Describes the starter and its right angle drive adapter.
Details the procedure for removing the starter and adapter assembly.
Provides step-by-step instructions for disassembling the starter and adapter.
Outlines recommended cleaning methods for starter adapter parts.
Details visual inspection methods and precautions for starter parts.
General| Horsepower | 125 hp |
|---|---|
| Oil system | Wet sump |
| Cooling system | Air-cooled |
| Type | 4-cylinder, horizontally opposed, air-cooled |
| Displacement | 125 cubic inches |
| Fuel Type | Avgas |
| Bore | 4.00 in (101.6 mm) |
| Power output | 125 hp |
| Fuel system | Carburetor |
| Weight (kg) | 77 kg |
To Next Page