Arctic Cat Panther 370/Z 370, Bearcat 570/Panther 570/Z 570, Crossfire 500/600/800/1000, F5/F6/F8/F1000, M6/M8/M1000 2-Stroke Snowmobile Service Manual (2007)

Arctic Cat 2-Stroke Snowmobiles Service Manual - 2007 Edition

This technical service publication provides factory-authorized procedures for the maintenance, troubleshooting, and repair of 2-stroke snowmobile platforms. A critical maintenance insight involves the ignition timing calibration for the 370 cc engine, which requires a dial indicator to scribe a 13° BTDC mark at 6000 RPM on the flywheel to ensure combustion stability. Precise adherence to these timing benchmarks prevents catastrophic piston failure and optimizes power delivery across the powerband.

Chassis Architecture & Engine Configuration Mapping

The following model variants are covered under this documentation, categorized by engine displacement and series architecture:

Fan-Cooled Utility & Trail Series

• 370 cc: Panther 370, Z 370
• 570 cc: Bearcat 570, Panther 570, Z 570

Liquid-Cooled Performance & Deep Snow Series

• 500 cc: Crossfire 500, F5 (F-Series)
• 600 cc: Crossfire 600, F6 (F-Series), M6 (M-Series)
• 800 cc: Crossfire 800, F8 (F-Series), M8 (M-Series)
• 1000 cc: Crossfire 1000, F1000 (F-Series), M1000 (M-Series)

Operational Reliability & Precision Service

• Engine synchronization protocols ensure balanced throttle response and reduced vibration across twin-cylinder configurations.
• Electrical system diagnostics provide specific voltage drop tests for the stator and CDI units to isolate ignition irregularities.
• Drive system alignment procedures protect the drive belt from premature fraying and heat-related degradation.

Document Metadata

• Print Number: 2257-771
• Total Pages: 598
• Format: High-Resolution Digital Reproduction

Technical Depth & Factory Benchmarks

Ignition timing specifications vary significantly across the 2-stroke lineup to accommodate different porting and compression ratios. For instance, the 500 cc models utilize a fixed timing of 12° BTDC at 2000 RPM, whereas the 1000 cc Crossfire and F-Series engines require specific verification at both idle and high-RPM ranges. Stator plate rotation (clockwise to retard, counterclockwise to advance) is the primary method for attaining these factory-mandated timing values.

System Schematics & Diagnostic Aids

Electrical wiring diagrams facilitate the identification of circuit continuity, while exploded view diagrams of the recoil starter and flywheel assemblies clarify torque sequences. Specialized troubleshooting tables address common field issues such as hot or smoking wires, starter motor failures, and nitrogen gas pressure loss within shock absorber units.

Table of Contents

• General Information
• Engine
• Fuel System
• Electrical System
• Drive System
• Suspension
• Steering and Body
• Troubleshooting

Operational Limits & Fluid Specifications

• Ignition Timing (370 cc): 18° BTDC @ 2000 RPM / 13° BTDC @ 6000 RPM.
• Ignition Timing (500 cc): 12° BTDC @ 2000 RPM (Not Adjustable).
• Ignition Timing (570 cc): 20° BTDC @ 2000 RPM (Not Adjustable).
• Shock Absorber Nitrogen Pressure: 1800 lb/in² (Handle with secured nitrogen bottle and regulator T-handle protocols).
• Torque Requirements: Specific socket-head cap screw values for stator plate and flywheel mounting.