2007 Arctic Cat 370, 570, 600, 800, 1000cc, Crossfire, F-Series, M-Series 2-Stroke Snowmobiles Service Manual (P/N 0638-313)

• Complete model coverage: Details all 2007 2-stroke platforms (370 cc through 1000 cc), including Crossfire, F-Series, M-Series, and utility variants.
• Original OEM publication: P/N 0638-313 (January 2007 edition) providing 648 pages of factory-authorized specifications.
• Features extensive technical exploded-view schematics to ensure precise parts identification during teardowns.

Engine Architecture and Component Servicing

Reviewing the exact powertrain architecture is critical for any successful rebuild. This manual documents the complete engine lineup, from the air-cooled 370 cc motors to the high-output liquid-cooled 1000 cc powerplants. It provides comprehensive assembly schematics that clearly define the engine-mounting sequence, cooling system maintenance, and precise APV valve adjustments. Before initiating any mechanical teardown or electrical diagnostics, always ensure the snowmobile is safely secured on a stable lift and the battery leads are completely disconnected. The documentation guides you through the necessary technical requirements for bearing clearances and piston-to-cylinder fitment, ensuring every repair aligns perfectly with factory standards.

Technical Specifications and Shop Tolerances

Having immediate access to accurate torque numbers directly impacts your daily workshop efficiency. You will find complete reference charts mapping piston travel versus crank angle, cylinder head volume specifications, and standard bolt tightening torque conversions. Critical tolerances are strictly outlined to eliminate guesswork. For example, maximum crankshaft runout is capped at 0.05 mm across all major bearing checkpoints, while valve-to-seat clearance is limited to 0.20 mm to maintain proper reed valve integrity. The diagnostic protocols document the engine idle limit at 1000 RPM, and specific service codes for rings and sets ensure correct piston replacement regardless of the engine displacement you are servicing.