This comprehensive Aprilia Rotax Engine 655 Service Repair Manual provides everything you need to repair, maintain, rebuild, refurbish, or restore your Aprilia Rotax Engine 655. It features step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications to guide you through every aspect of repair and troubleshooting. Written for both the do-it-yourselfer and the experienced mechanic, this manual includes highly detailed exploded pictures and diagrams to ensure you complete each job accurately and efficiently.

The manual covers a wide range of topics, including:

* **Essential Information:** Start with the necessary information to get you started on your repair journey.
* **Engine Removal:** Learn the proper techniques to remove the engine from your motorcycle.
* **Engine Disassembly:** Disassemble the engine systematically, understanding the components and their functions.
* **Electric Starter:** Troubleshoot and repair any issues with the electric starter system.
* **Cylinder Head:** Work on the cylinder head, addressing potential problems and performing necessary repairs.
* **Cylinder Removal:** Remove the cylinder safely and efficiently.
* **Piston Removal:** Master the removal and inspection of the piston.
* **Ignition Unit:** Diagnose and repair any issues related to the ignition system.
* **Oil Pump:** Understand the oil pump's function and troubleshoot any malfunctions.
* **Clutch:** Learn how to service and repair the clutch system.
* **Water Pump:** Maintain and repair the water pump for optimal engine cooling.
* **Crankshaft:** Work on the crankshaft, identifying and resolving any problems.
* **Individual Component Maintenance:** This section provides detailed instructions for maintaining specific components of the engine.
* **Engine Reassembly:** Follow the step-by-step instructions for reassembling the engine correctly.
* **Engine Installation:** Learn the proper procedures for installing the engine back into your motorcycle.

The Aprilia Rotax 655 engine, a powerhouse of performance and reliability, is a testament to the innovative spirit of the Austrian engine manufacturer, Rotax. This liquid-cooled, two-stroke, single-cylinder engine, boasting a displacement of 655cc, has been a mainstay in several Aprilia motorcycle models, particularly in the off-road and supermoto categories. Renowned for its exceptional horsepower and torque delivery, the Rotax 655 delivers thrilling performance on and off the track. It's a blend of robust construction and advanced engineering, employing a reed valve induction system and a 6-speed transmission, ensuring smooth power delivery across the rev range. The engine's compact design and relatively lightweight nature contribute to the agility and responsiveness of Aprilia motorcycles equipped with it.

The Aprilia Rotax 655 engine has been a popular choice for both recreational and professional riders. Its versatility and durability have made it a favorite among off-road enthusiasts, while its impressive power output has attracted many supermoto racers. Notably, the engine has been utilized in iconic Aprilia models such as the SXV 550 and the RXV 450, showcasing its prowess in diverse riding conditions. The Aprilia Rotax 655 engine represents a perfect marriage of performance and reliability, making it a worthy addition to the world of high-performance motorcycling. Its legacy, marked by both competitive success and recreational enjoyment, continues to inspire riders seeking a robust and exciting riding experience.