General Information NOTE: Some photographs and illustrations used in this manual are used for clarity purposes only and are not designed to depict actual conditions. NOTE: Whenever a part is worn excessively, cracked, or damaged in any way, replacement is necessary.
General Specifications CHASSIS Dry Weight (approx) Length (overall) Height (overall) Width (overall) Tire Size
157.9 kg (349 lb) 177.8 cm (69.9 in.) 103.8 cm (40.9 in.) 95.0 cm (37.4 in.) (Front) AT21 x 7-10 (Rear) AT22 x 10-10 Tire Inflation Pressure (Front) 27.6 kPa (4 psi) (Rear) 24.1 kPa (3.5 psi) MISCELLANY Spark Plug Type NGK DR8EA Spark Plug Gap 0.6 mm (0.024 in.) Gas Tank Capacity 8.7 L (2.3 U.S. gal.) Engine Oil Capacity 1.0 L (1.06 U.S. qt) Transmission (Overhaul) 400 ml (13.5 fl/oz) Lubricant Capacity (Change) 300 ml (10.0 fl/oz) Gasoline (recommended) 87 Octane Regular Unleaded Engine Oil (recommended) Arctic Cat ACX All Weather (Synthetic) Brake Fluid DOT 4 Taillight/Brakelight 12V/5W/21W (2) Parking Lights 12V/5W (2) Headlight 12V/35W/35W (2) FUEL SYSTEM Carburetor Type Keihin PTG 22 Main Jet 98 Slow Jet 35 Pilot Screw Setting (turns) 1 7/8 Needle Jet 3.6/2.5 Jet Needle 2MKNN Idle RPM 1600-1800 Float Arm Height 14.8 mm Throttle Cable Free-Play (at lever) 1-4 mm (1/16-3/16 in.) ELECTRICAL SYSTEM Ignition Timing 15° BTDC (“F” mark) @1700 RPM Spark Plug Cap 4200-5200 ohms Ignition Coil Resistance (primary) 0.2-0.3 ohms (secondary) 3200-4800 ohms Ignition Coil Peak (primary/CDI) 85 DC volts Voltage Magneto Coil Resistance (trigger) 105-110 ohms (charging) Less than 1 ohm (signal) 720 ohms Peak Voltage (trigger) 1.1-1.4 DC volts (signal) 220 DC volts Magneto Output (approx) 220W @ 5000 RPM Charging Coil Output (no load) 40-60 AC volts@3500 RPM
Specifications subject to change without notice.
2
VALVES AND GUIDES Valve/Tappet Clearance (intake/exhaust) 0.06 mm (cold engine) Valve Guide/Stem (intake) 0.06 mm Clearance (max) (exhaust) 0.08 mm Valve Spring Free Length (min) (intake) 38.2 mm (exhaust) 44.3 mm Valve Spring Tension @ 33.7 mm (intake) 7.7-8.9 kg (22.5-38.4 lb) Valve Spring Tension @ 38.4 mm (exhaust) CAMSHAFT AND CYLINDER HEAD Cam Lobe Height (min) (intake) 31.40 mm (exhaust) 31.13 mm Rocker Arm/Shaft Clearance (max) 0.1 mm Cylinder Head/Cover Distortion (max) 0.05 mm CYLINDER, PISTON, AND RINGS Piston Skirt/Cylinder Clearance (max) 0.1 mm Cylinder Bore 62.030-62.045 mm Piston Diameter 18 mm from Skirt End 61.9 mm (min) Bore x Stroke 62 x 49.5 mm Cylinder Trueness (max) 0.05 mm Piston Ring to Groove Clearance (max) 0.09 mm (1st/2nd) Piston Ring End Gap (top/middle) 0.10 mm Installed (min) (oil) 0.20 mm Piston Pin Bore (max) 15.04 mm Piston Pin Outside Diameter (min) 14.96 mm CRANKSHAFT Connecting Rod (small end inside 15.06 mm diameter) (max) Connecting Rod (big end side-to-side) 0.55 mm (max) Crankshaft Runout (max) 0.1 mm Oil Pressure at 60°C (140°F) (above) 0.3 kg/cm² (4.3 psi) @ 3000 RPM (below) 0.7 kg/cm² (10 psi) TRANSMISSION Clutch Wheel Inside Diameter (max) 130.5 mm Centrifugal Clutch Shoe Lining Thickness 2.0 mm Clutch Engagement RPM 3250 Clutch Lock-Up RPM 4700 Movable Drive Face Bushing I.D. (max) 27.06 mm Drive Face Collar (min) 26.94 mm Drive Belt Width (min) 19.0 mm Drive Pulley Weight Rollers (min) 20.42 mm Movable Driven Face Spring Free Length 83.20 mm (min) Fixed Driven Face Hub O.D. (min) 33.94 mm Movable Driven Face Bushing I.D. (max) 34.06 mm
