Arctic Cat 370/570/Crossfire/F-Series/M-Series Snowmobile 2007 Service & Repair Manual (P/N 2257-850)

• Exact 2007 coverage: Bearcat 570; Panther 370/570; Z 370/570; Crossfire 500/600/800/1000; M6/M8/M1000; and F5/F6/F8/F1000. Applicable tables and procedures also distinguish LX, LXR, standard, and Sno Pro configurations.
• Six documented engine builds: AA37A9, AX50L6, AA56A6, AJ60L4, AB80L1, and AB10L1, each supported by displacement-specific assembly schematics and service data.
• Engine repair procedures cover removal, top-end service, complete disassembly, crankcase separation, crankshaft inspection, piston and cylinder measurement, reassembly, and final installation for each chassis/engine group.
• Carbureted and EFI fuel systems include VM-32/VM-34 carburetor service and synchronization, EFI self-diagnostics, throttle-body work, fuel-pressure testing, oil-pump synchronization, and oil-injection bleeding.
• Electrical diagnosis spans ECU and CCU fault codes, EFI and fan-cooled ignition troubleshooting, resistance and peak-voltage tests, TPS fail-safe checks, APV servomotor/potentiometer tests, sensors, electric fuel pump, and starter-system service.
• Drivetrain, brake, steering, and suspension repair covers chain-case and ACT gear-case systems, reverse and non-reverse layouts, clutch alignment, hydraulic and mechanical brakes, ski alignment, four model-matched skid-frame procedures, and rebuildable shocks.

This 649-page factory service manual PDF is copyrighted January 2007 by Arctic Cat Inc. and covers the Model Year 2007 2-stroke snowmobiles listed above. Arctic Cat states that the manual is designed to aid service personnel; its internal engine, EFI, clutch, brake, and nitrogen-charged shock procedures are suited to technicians with the specified tools and diagnostic equipment.

What's Inside the Manual

Engine procedures are divided by actual chassis installation: Panther/Z, Bearcat/Panther/Z, Crossfire/M-Series, and F-Series. They walk through engine removal, top-side and complete teardown, crankcase splitting, crankshaft service, inspection, measurement, assembly, and installation. The specification tables distinguish the fan-cooled 370/570 builds from the liquid-cooled 500/600/800/1000 engines. Separate sections handle the 370 axial fan, both water-pump designs, engine pressure testing, liquid cooling, two recoil-starter families, the Arctic Power Valve system, and Exhaust Controlled Timing.

The carburetor chapter provides specifications and exploded schematics for the Mikuni VM-32 and VM-34, along with jet changes, cleaning, float inspection, choke/throttle adjustment, and twin-carburetor synchronization. EFI material separates 500/600 cc testing from 800/1000 cc testing and covers the ECU, injectors, stator-fed circuits, sensors, fuel-pressure regulator, throttle body, diagnostic codes, and voltage/resistance charts. Related procedures address oil-injection pump removal, synchronization, bleeding, output testing, and check-valve testing.

The drivetrain chapter distinguishes standard chain-case drive from ACT gear-case drive and separates reverse, non-reverse, F-Series, and Crossfire/M-Series repair paths. It covers drive clutch and driven-pulley service, offset and parallelism checks, belt deflection, chain adjustment, model/altitude calibration tables, hydraulic brake repair, mechanical quick-adjust brakes, and troubleshooting. Steering, front suspension, body panels, tanks, seats, tunnels, lighting assemblies, and headlight aim are handled by chassis family.

Rear-suspension work follows four model-specific repair procedures: Z/LX, Bearcat/Panther, Crossfire/M-Series, and F-Series. Coverage includes skid-frame removal, idler wheels, arms, rails, track tension and alignment, drive-sprocket placement, spring and shock specifications, ACT and position-sensitive shocks, Fox Air rebuilding/recharging, Fox Zero Pro service, and nitrogen pressurization.

Factory Specs, Tools, and Visual References

Reference data includes torque tables, capacities and approved lubricants, piston/cylinder clearances, wear limits, crankshaft runout and end play, cylinder-head volume, squish-clearance measurement, ignition timing, electrical test values, clutch and gear calibration data, brake specifications, shock valving, and track dimensions. Named visual references include the 370-1000 cc Engine Assembly Schematics, Engine Piston Travel Versus Crank Angle Chart, F-Series and Crossfire/M-Series Cooling System Schematics, VM-32/VM-34 Carburetor Schematics, ignition-timing illustrations, and the Suspension Mounting Location Chart.

Specified service equipment includes the EFI Analyzer Kit P/N 0744-049, Fuel Pressure Test Kit P/N 0644-493, Throttle Position Sensor Adjustment Tool Kit P/N 3639-891, Drive Clutch Puller P/N 0644-207, and Reverse Gear Adjustment Gauge P/N 0644-244. The shock chapter supplies a separate required-tools list with part numbers.

The manual flags repair traps that matter during assembly. Incorrect orientation of the 600 cc APV exhaust valve can cause severe engine damage, while prying the crankcase halves apart with a tool can ruin their sealing surfaces. Follow the factory warnings when supporting the snowmobile, servicing brakes or rotating driveline parts, and handling pressurized nitrogen shock equipment.

For EFI analyzer operation, the 800/1000 cc section refers to a separate EFI Diagnostic System Manual P/N 2257-850; the 500/600 cc section likewise refers to EFI Analyzer Usage Manual P/N 2259-020. Those companion publications are referenced but are not included in this PDF. This file also has no separate full-vehicle wiring-diagram appendix; its electrical coverage consists of diagnostic-code tables, component tests, specifications, and diagrams embedded in Sections 4-6.