1991-1993 Yamaha Enticer II 570 Snowmobile Service Manual

• Original 442-page OEM publication covering the 1991–1993 Yamaha Enticer II 570 series snowmobiles, including EX570R and EX570ER variants with liquid-cooled 2-stroke powerplants
• Features over 100 exploded-view diagrams, complete electrical circuit charts, and specific torque-setting tables
• Serves as the definitive base reference for mechanical diagnostics, routine maintenance, and advanced tuning requirements
• Document listing for the 88R-000101 and 88S-000101 series builds

Manual Contents

This factory service manual delivers structured diagnostic information divided into nine dedicated chapters. It begins with core vehicle identification and standard periodic maintenance intervals. From there, the documentation dives deep into complex systems. Mechanics will find exhaustive breakdowns covering chassis alignment, power train rebuilds, complete engine overhauls, and cooling system flow paths. The carburetion section details specific tuning parameters, while the electrical chapters map out the entire wiring harness.

Specification and Data Overview

Inside, the publication highlights critical adjustment data for both the primary and secondary clutches, precise chain slack settings, and high-altitude tuning charts for the main jets. Engine assembly sections list standard compression values, exact torque limits for crankcase mating, and the required sequence for bleeding the oil pump. Furthermore, the EX570ER electric start models receive dedicated circuit schematics and fuse ratings. Please be aware that working on liquid-cooled powerplants and high-voltage electrical systems carries inherent risks, so proper training or consulting a certified technician is strongly advised prior to undertaking major service operations.

Document Reference: Manufacturer Edition