620

The 400 LC4 and its variants, including the 620 LC4, LC4 C4e, LC4 SX, and LC4 SC, represent a significant chapter in off-road and dual-sport heritage. Produced in 1997, these models are powered by the robust Four-stroke Single Cylinder LC4 engine, known for its strong mid-range torque and liquid-cooled design. Austrian manufacturing and its legacy in off-road racing contribute to the reputation of these motorcycles for durability and capability, making them a popular choice for enthusiasts seeking performance and adventure.

This manual covers the 1997 400 LC4, 620 LC4, 400 LC4e, and 620 LC4e models. These motorcycles, powered by the robust LC4 (Liquid Cooled, 4-stroke) engine, are known for their strong performance and off-road prowess, a testament to Austrian heritage in motorcycle manufacturing and racing. The LC4 platform, a cornerstone of the lineup, offered a powerful single-cylinder engine that defined many of their dual-sport and enduro offerings, with the 'e' designation indicating the inclusion of electric start. These machines are celebrated for their durability and capability, making them a favored choice for adventure riding and demanding terrain.

This manual covers the 1997 KTM 400 LC4 C4e and 620 LC4 C4e motorcycles. KTM is an Austrian manufacturer renowned for its off-road motorcycles, and the LC4 series is a cornerstone of their lineup, known for its robust single-cylinder engines and dual-sport capabilities. These performance dual-sport/enduro motorcycles are characterized by their torquey engines and off-road prowess, bridging the gap between dirt bikes and street-legal machines. The LC4 platform, a staple since the late 1980s, offers a mature iteration in its 1997 models, praised for strong low-to-mid-range torque.

This manual provides comprehensive guidance for the 50 SX Series and Adventure Series motorcycles produced between 2002 and 2008. These models, including variants such as Junior Adventure, Mini Adventure, Senior Adventure, SX Pro Junior LC, SX Pro Senior LC, Supermoto LC, SX Junior LC, and SX LC, are powered by a 2-stroke, liquid-cooled engine. The heritage in off-road racing is evident in these youth-oriented machines, which are designed to offer performance and reliability for aspiring riders. Known for their robust construction and 'Ready to Race' ethos, these 50cc motorcycles serve as an excellent introduction to the world of competitive motorcycling.

This manual covers the KTM 350 SX-F and 350 XC-F models from 2011. These high-performance off-road motorcycles embody KTM's 'Ready to Race' philosophy, offering a potent combination of lightweight design, powerful four-stroke engines, and advanced WP suspension. Engineered for competitive motocross and cross-country riding, the 350 SX-F and XC-F variants provide exceptional agility and performance, making them a formidable choice in their respective segments.

This workshop service repair manual covers KTM 400 620 LC4 COMPETITION motorcycles manufactured between 1998 and 2003. These models are known for their potent LC4 single-cylinder engines, available in 400cc and 620cc variants, and are typically configured for dual-sport or supermoto use. KTM's heritage is rooted in performance and off-road prowess, and the LC4 platform exemplifies this with its robust engineering. This manual provides comprehensive coverage for all trim levels and transmission types, ensuring that owners and technicians have the necessary information to maintain these capable machines.

This manual covers the 400 620 LC4, produced in 1995. The LC4, or Liquid Cooled 4-stroke, engine platform is a cornerstone of the brand's legacy, known for its robust build and versatility across various street and off-road applications. These motorcycles are characterized by their powerful single-cylinder engines, capable suspension systems, and reliable performance, making them a popular choice for adventure touring and demanding riding conditions. The 1995 models represent a mature stage of this well-established engine development, offering a blend of performance and durability.

This manual covers the KTM LC4 400 / 620 LC4e models from 1997. The LC4 platform is renowned for its robust single-cylinder engines, offering versatility across various disciplines. Known for its powerful, tractable engine and durable construction, the LC4 has a strong reputation in motorsports and adventure riding communities, making it a popular choice for riders seeking performance and reliability.

This manual covers the KTM 400, 620, and LC4E models, featuring the robust LC4 single-cylinder, 4-stroke, liquid-cooled engine. Since 1997, KTM has produced these motorcycles, known for their off-road prowess and durability. The LC4 platform is celebrated for its strong torque and performance, making these bikes suitable for demanding riding conditions. Key engineering aspects include a chromium-molybdenum steel trellis frame, SOHC valve train with two valves per cylinder, and a wet multi-plate clutch, all contributing to the model's reputation in the dual-sport and enduro segments.

This manual covers the LC4, a versatile single-cylinder, four-stroke motorcycle known for its robust design and performance. Produced from 1997 onwards, the LC4 platform encompasses engine variants of 400cc and 620cc, including LC4E sub-models. The heritage in off-road racing informs the LC4's engineering, which is recognized for its strong power delivery and durability across various applications, from enduro to street use. The engine's characteristic low-to-mid-range torque makes it a capable machine for diverse riding conditions.

This manual covers the 400 RXC and 620 RXC models from 1998. An Austrian manufacturer with a strong heritage in off-road and rally racing, developed the RXC series by adapting their successful racing platforms for dual-sport use. These motorcycles are known for their robust engineering and suitability for demanding conditions. The 400 RXC typically features a single-cylinder, four-stroke engine with approximately 398 cc displacement, while the 620 RXC is equipped with a similar engine configuration around 620 cc. Both models utilize a wet multi-plate clutch and a likely 6-speed transmission, embodying a commitment to performance and durability.

This manual covers the 400 620 SC, a performance-oriented motorcycle produced from 1998 to 2003. Renowned for its off-road heritage and adapted for street use, these models represent an entry into the supermoto segment, offering a potent combination of power and agile handling. The SC variants, often derived from successful motocross platforms, are characterized by their lightweight construction, robust single-cylinder four-stroke engines ranging from 400cc to 620cc, and a focus on rider engagement. These motorcycles are engineered for enthusiasts and competition, emphasizing a direct connection between rider and machine.

This manual covers the 400 SX and 400 SC, along with the 620 SX and 620 SC models from 1998. These motorcycles, powered by a four-stroke single-cylinder engine, represent a strong heritage in off-road competition, specifically motocross and supercross. Known for their robust chromoly steel frames and liquid-cooled engines, these bikes were designed for high performance and durability in demanding racing environments. The SX variants are pure motocross machines, while the SC models offered enhanced specifications for supercross or open-class competition, reflecting Austrian engineering prowess.

This manual covers the KTM LC4 and LC4e dual-sport motorcycles, produced in 1997, with engine displacements ranging from 400cc to 620cc. Known for their robust single-cylinder, four-stroke, liquid-cooled LC4 engine and typically featuring a chromoly steel trellis frame and advanced WP suspension, these motorcycles were positioned as high-performance, rugged, and versatile machines. KTM's strong heritage in off-road racing, particularly in enduro, heavily influenced the development of the LC4 platform, making it a popular choice for riders seeking capability and engagement in demanding conditions.

The 1996 KTM 620 DUKE CHASSIS represents a significant model in KTM's history, known for its potent LC4 engine and aggressive styling. This first-generation Duke, powered by a single-cylinder, four-stroke, liquid-cooled engine with approximately 609 cc displacement, delivered around 50-55 horsepower. Its design, featuring a chromium-molybdenum steel trellis frame, hydraulic disc brakes, and a 5-speed gearbox, positioned it as a capable machine for performance-oriented riding. The 620 Duke was a key player in establishing KTM's presence in the supermoto and naked bike market, embodying the brand's 'Ready to Race' ethos.

This manual provides comprehensive parts information for the 620 DUKE, a motorcycle known for its potent single-cylinder engine and agile handling, characteristic of performance-oriented street bikes. Produced in 1996, this model embodies an Austrian heritage and its expansion into the supermoto and naked sportbike categories. The 620 DUKE is designed for riders seeking an aggressive, lightweight machine with a focus on performance and a direct connection to the road, leveraging engineering that prioritizes power delivery and maneuverability.

This manual covers the 620 SC, a performance dual-sport or street-legal off-road motorcycle produced from 1998 to 2005. Known for its robust single-cylinder, liquid-cooled 4-stroke engine, the 620 SC is part of the esteemed LC4 platform, reflecting the brand's "Ready to Race" heritage. This model is recognized for its agility and powerful performance, making it a popular choice for riders seeking a capable machine for both on and off-road use.

The 620 SC, produced from 1998 to 2005, is a performance-oriented motorcycle renowned for its potent LC4 engine and agile handling, often competing in the dual-sport and supermoto segments. This Austrian-built machine, embodying a 'Ready to Race' philosophy, offers a raw and engaging riding experience, making it a favorite among enthusiasts seeking a capable and spirited motorcycle for both on-road and off-road adventures. Its robust construction and focus on mechanical performance have cemented its place within the lineage of successful single-cylinder offerings.

This manual covers the KTM 620 SC Supermoto and 625 SC Supermoto models produced between 1998 and 2003. These performance-oriented motorcycles are built upon KTM's renowned LC4 engine platform, known for its single-cylinder, four-stroke power and liquid-cooled design. With displacements of 620cc and 625cc respectively, these models offer a potent blend of agility and power, characteristic of KTM's strong heritage in off-road and racing applications, translating into a thrilling supermoto experience. They feature a chromium-molybdenum steel trellis frame, 5-speed manual transmission, wet multi-plate clutch, chain drive, and hydraulic disc brakes front and rear, emphasizing a focus on rider engagement and dynamic capability.

This manual covers the KTM 620 SC Engine, produced between 1998 and 2005. As part of KTM's renowned LC4 engine family, known for its torque and ruggedness, the 620 SC engine has been a staple in various KTM motorcycle models. This engine is a single-cylinder, four-stroke unit, typically liquid-cooled, with a displacement around 620cc and power output in the 40-50 hp range, though specific details vary by model year. The engine utilizes a carburetor for fuel delivery and is paired with a manual transmission, often a 5 or 6-speed sequential gearbox, and a wet multi-plate clutch.

The 620 SX is a robust motocross motorcycle, produced from 1998 through 2005. Renowned for its off-road and motorsports heritage, the brand has consistently delivered performance-oriented machines, and the 620 SX exemplifies this with its competitive design and engineering. This model was a key part of the motocross lineup, building on a lineage of successful four-stroke motorcycles. Its Austrian manufacturing and competitive history in professional racing underscore its quality and capability in demanding off-road conditions.

This workshop repair and service manual covers the KTM 620 SX, a high-performance motocross motorcycle produced from 1998 through 2005. Known for its powerful single-cylinder, four-stroke engine, liquid-cooling, and robust steel trellis frame, the 620 SX embodies KTM's heritage in off-road racing. This model is engineered for demanding motocross and off-road use, offering exceptional performance and durability. The manual encompasses all engine and transmission variants for the specified production years, providing comprehensive technical information for enthusiasts and professionals alike.

This manual covers the KTM 620 SX Engine, produced for the model years 1998 through 2005. Designed for performance and reliability, the KTM 620 SX Engine is a key component for enthusiasts seeking a robust and capable machine. Its engineering is focused on delivering power and durability, making it a popular choice for demanding applications. This comprehensive guide provides the necessary information to understand and maintain this specific engine.