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General| Engine type | Single-cylinder, 2-stroke |
|---|---|
| Displacement | 124.8 cc |
| Cooling system | Liquid-cooled |
| Bore x Stroke | 54 mm x 54.5 mm |
| Starter | Electric starter |
| Intake System | Reed valve |
| Clutch | Centrifugal dry clutch |
| Fuel System | Carburetor |
| Exhaust system | With silencer |
| Maximum Power | 28 hp (20.5 kW) @ 11, 500 rpm |
| Maximum Torque | 21 Nm at 10, 500 rpm |
| Gearbox | Direct drive |
| Lubrication | Mixture lubrication |
General safety and operational notes for the repair manual.
Introduction and guidance before starting repair work.
Overview of the manual's chapter organization.
Essential information and state-of-knowledge of BRP-Powertrain.
Explains common abbreviations and terms used throughout the manual.
Highlights important safety instructions and symbols used in the manual.
Details regarding application, use, operation, maintenance, and repair of engines.
Lists key technical specifications for ROTAX engines.
Explains procedures and limits for engine maintenance and operation.
Specifies requirements for individuals performing maintenance tasks.
General guidelines and safety precautions for maintenance procedures.
Lists specified or technically equivalent materials for maintenance.
Lists necessary special tools and equipment for maintenance tasks.
Outlines inspection points and servicing intervals for engine components.
Overview of the engine in its installed status.
Steps required before dismantling engine and gearbox components.
Instructions for detaching the engine from the kart chassis.
Procedure and safety precautions for starting the engine after maintenance.
Identifies key cylinder components on the engine.
Detailed steps for removing the cylinder from the engine.
Procedures for disassembling the cylinder and its components.
Guidelines for inspecting various cylinder components for wear.
Instructions for reassembling the cylinder and its associated parts.
Overview of the crankcase's position on the engine.
Steps for removing the crankcase from the engine assembly.
Procedures for taking apart the crankcase halves.
Details on disassembling and inspecting the conrod set.
Inspection procedures for water pump drive and balance shaft drive components.
Instructions for installing bearings and oil seals for shafts.
Shows the position of the carburetor and intake silencer on the engine.
Procedures for removing the carburetor and intake silencer assembly.
Steps for checking the carburetor, fuel pump, and intake silencer.
Instructions for assembling the carburetor and installing the intake silencer.
Identifies the starter gear assembly, clutch drum, and sprocket.
Steps for removing the entire clutch and starter gear assembly.
Procedures for checking clutch drum, needle cage, starter gears, and electric starter.
Instructions for installing starter reduction gear, starter gear assembly, and clutch drum.
Shows the location of the radiator and cooling water hoses.
Steps for safely removing the water radiator and cooling hoses.
Guidelines for inspecting radiator fins, cap, hoses, and retaining plates.
Procedures for installing the cooling water hose and the radiator.
Identifies the exhaust muffler, ball socket, and springs.
Steps for removing and disassembling the exhaust system.
Instructions for reassembling the exhaust system components.
Procedures for installing the exhaust system onto the engine.
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