IT Models

This manual covers the Yamaha IT175 D E, an off-road/enduro motorcycle produced in 1978. As part of the esteemed IT series, renowned for bridging the gap between motocross and dual-sport capabilities, the IT175 is celebrated for its performance and reliability in competitive off-road environments. Its engineering quality is evident in its robust 2-stroke, air-cooled, single-cylinder engine, displacement of 171 cc, and 6-speed constant mesh transmission, designed to provide a balanced blend of power and handling for trail riding and competition.

This manual pertains to the IT400, an off-road and enduro motorcycle produced from 1979 onwards. Known for its robust two-stroke engine, estimated to produce around 30-35 horsepower, and a 5-speed sequential transmission, the IT400 was engineered for performance and durability in demanding terrain. Its design features include an air-cooled engine, a steel frame, front and rear drum brakes, and a suspension system comprising front forks and a rear monoshock. The IT series has a strong motorsport legacy, with the IT400 being a notable model in their off-road lineup, celebrated for its competitive spirit.

This document provides comprehensive parts identification and cataloging for the IT425G, an off-road motorcycle produced in 1980. Known for its robust 2-stroke, air-cooled 425 cc engine and 5-speed constant mesh transmission, the IT425G was a significant model in the 'IT' line of enduro motorcycles, designed for competitive trail riding. The manual details all engine components, chassis parts, fuel and exhaust systems, electrical components, and bodywork, utilizing exploded diagrams to offer visual guidance for assembly and disassembly.

This manual covers the IT175J, a distinguished off-road motorcycle produced from 1982 onward. Renowned for its robust two-stroke, single-cylinder engine and capable chassis, the IT175J was a competitive machine in its era, favored for both trail riding and enduro competitions. The legacy in high-performance motorcycles is evident in the IT series' reputation for potent power delivery and enduring reliability. This workshop repair manual provides comprehensive guidance for owners and technicians, ensuring the optimal performance and longevity of this classic off-road machine.

The Yamaha IT175, model designation IT175J, is a robust off-road motorcycle from 1982 onwards, designed for trail and enduro riding. Renowned for its competitive performance and Yamaha's legacy of engineering quality, this model offered agile handling and a potent 2-stroke engine, making it a popular choice among enthusiasts. Its focus on mechanical prowess and rider control characterized its market position, directly competing with other leading off-road machines of its era. The IT175 is celebrated for its reliability when maintained correctly and its capability in diverse off-road conditions.

This manual covers the IT175J, a versatile off-road motorcycle designed for enduro riding and competitive trail use, produced between 1982 and 1985. Known for its robust two-stroke engine, capable suspension, and agile handling, the IT175J has earned a reputation for performance and durability in demanding off-road conditions. Building on an extensive legacy in dirt bike innovation, this model was engineered to compete effectively against other bikes in its class, offering riders a potent combination of power and control for challenging terrain.

The IT200L, produced from 1984 onwards, is an enduro-style motorcycle designed for off-road enthusiasts. This model represents a commitment to robust engineering and reliable performance in challenging terrains, building upon the legacy of the esteemed 'IT' series. It features a 197cc two-stroke, air-cooled engine, a 6-speed transmission, and a chain drive system, all contributing to its agile handling and competitive spirit. With its durable construction and focus on trail riding capability, the IT200L is a testament to expertise in performance motorcycle development.

The Yamaha IT200L, produced from 1984 onwards, represents a robust and capable off-road motorcycle, a testament to Yamaha's enduring legacy in the competitive enduro and trail riding scene. This model, part of the esteemed IT series, was engineered for both demanding trail exploration and spirited enduro racing. Its design prioritizes agility, rider control, and reliable performance, making it a favored choice for enthusiasts seeking a durable and potent machine for challenging terrain.

This manual covers the 1984 IT490, a robust off-road motorcycle known for its powerful two-stroke engine and enduring presence in the enduro and competition circuit. The legacy in performance off-road vehicles is evident in the IT490's design, which prioritizes durability and responsiveness for demanding terrain. This specific model, part of the esteemed IT series from the early to mid-1980s, offers a potent 485 cc engine and a reliable 5-speed transmission, making it a capable machine for enthusiasts and competitors alike. Its engineering quality and focus on practical off-road performance have cemented its place in motorcycle history.

This manual covers the IT200, a lightweight, high-performance 2-stroke motorcycle produced for the 1984 and 1985 model years. Known for its off-road competition and dual-sport capabilities, the IT200 is a testament to heritage in building reliable and capable dirt bikes. It features a 195 cc air-cooled engine, a 6-speed transmission, and the innovative Monocross rear suspension system, making it a popular choice among motocross and trail riders of its era. The IT200 was competitive against other leading off-road motorcycles of the mid-1980s, recognized for its balanced performance and handling.

This manual pertains to the IT200, a dual-purpose/enduro motorcycle produced in the mid-1980s, with 1985 being a key model year. Known for its torquey 196 cc two-stroke engine and versatile off-road capability, the IT200 was a respected competitor in its class, valued for its reliability and performance. This model is characterized by its air-cooled engine, 6-speed transmission, and robust chassis designed for both trail riding and potential street use, depending on market configuration. Engineering heritage in performance motorcycles is evident in the IT200's design, making it a capable machine for enthusiasts and riders seeking a dependable off-road experience.

The 1986 IT200S is a robust off-road motorcycle designed for enduro competition and trail riding, embodying a reputation for engineering excellence. This model features a lightweight chassis and a potent 196cc two-stroke engine, enhanced by an Ignition System for optimized timing. Its capable suspension and responsive handling make it well-suited for challenging terrain, building upon the successful heritage of the IT series which consistently performed in off-road events.

This manual covers the 1986 IT200 and IT200S, a versatile off-road and trail motorcycle renowned for its capability in varied terrain. As part of the esteemed 'IT' series, this model offered a blend of performance enhancements suitable for enduro riding, bridging the gap between motocross and dual-sport applications. The 1986 IT200/IT200S is powered by a 198cc two-stroke, air-cooled engine, known for its responsiveness and reliability, featuring reed valve induction and typically a 6-speed transmission. Its engineering quality is reflected in its agile handling, designed for rider control and stability in demanding off-road conditions, making it a respected choice among its contemporaries.

This manual covers the IT200 IT 200 IT200S, a popular mid-displacement off-road competition and trail bike produced in 1986. Known for its robust performance and versatility in various terrains, the IT200 was a significant model in the competitive off-road motorcycle line. This particular iteration, the IT200S, builds upon the legacy of the IT series, offering riders a capable machine for challenging environments.

The Yamaha IT250 is a renowned off-road motorcycle, part of Yamaha's esteemed 'IT' series which historically encompassed competition and trail-focused machines. Produced across various years, generally from the late 1970s into the mid-1980s, the IT250 is celebrated for its robust performance, reliability, and capabilities in demanding terrain. Its design typically features a 2-stroke, single-cylinder, air-cooled engine, a 6-speed transmission, and a chain drive, embodying the spirit of adventure and competition that defined its era.

This manual covers the [Make] [Model] vehicle, produced from [Start Year] to [End Year]. Designed for [Intended Usage], this vehicle exemplifies robust engineering and dependable performance. Its [Notable Feature 1] and [Notable Feature 2] contribute to its reputation for quality and unique appeal in its class.

This manual provides comprehensive service and repair information for the Yamaha IT490 motorcycle. Designed for professional mechanics and technicians, it details all necessary procedures for servicing, troubleshooting, and repair. The manual is an invaluable resource for maintaining the reliability and performance of your Yamaha IT490.

The Yamaha IT465, produced approximately from 1981 to 1983, is an off-road motorcycle renowned for its potent 465cc two-stroke engine, delivering substantial torque for challenging enduro and motocross conditions. This model was a significant part of Yamaha's competitive lineup during its era, known for its robust construction and long-travel suspension designed to handle demanding terrain. As a successor to models like the IT400, the IT465 offered enhanced performance and was a direct competitor to other major brands in the off-road racing scene, praised for its strong power delivery.