This manual covers the Polaris Indy Ultra RMK snowmobile models from 1996, 1997, and 1998. The Indy Ultra RMK line represented Polaris's dedication to aggressive mountain riding, incorporating advancements in suspension, chassis design, and engine technology for superior off-trail performance. This snowmobile is engineered for reliability and built to tackle challenging terrain, embodying Polaris's extensive heritage in snowmobile innovation. The RMK chassis designation indicates a variant specifically designed for mountain and off-trail excursions, ensuring optimal performance in deep snow conditions. This comprehensive workshop service repair manual provides factory-level repair and maintenance information for all models, engines, trims, and transmission types. It is designed to assist both owners and professional technicians, offering hundreds of pages filled with detailed diagrams, step-by-step procedures, critical specifications, troubleshooting guides, and wiring diagrams. The manual covers all major systems, including engine overhaul, drivetrain, chassis, electrical, and brake systems, along with routine maintenance, tune-up procedures, and extensive diagnostic and repair protocols. Its detailed content aims to empower users to maintain and repair their vehicle effectively, potentially saving significant labor costs.