2
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 nec-
essary.
General Specifications
Specifications subject to change without notice.
CHASSIS
Dry Weight (approx)
157.9 kg (349 lb)
Length (overall)
177.8 cm (69.9 in.)
Height (overall)
103.8 cm (40.9 in.)
Width (overall)
95.0 cm (37.4 in.)
Tire Size
(Front)
(Rear)
AT21 x 7-10
AT22 x 10-10
Tire Inflation Pressure
(Front)
(Rear)
27.6 kPa (4 psi)
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)
Lubricant Capacity
(Change)
400 ml (13.5 fl/oz)
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)
(secondary)
0.2-0.3 ohms
3200-4800 ohms
Ignition Coil Peak
(primary/CDI)
Voltage
85 DC volts
Magneto Coil Resistance
(trigger)
(charging)
(signal)
105-110 ohms
Less than 1 ohm
720 ohms
Peak Voltage
(trigger)
(signal)
1.1-1.4 DC volts
220 DC volts
Magneto Output (approx)
220W @ 5000 RPM
Charging Coil Output (no load)
40-60 AC volts@3500 RPM
VALVES AND GUIDES
Valve/Tappet Clearance (intake/exhaust)
(cold engine)
0.06 mm
Valve Guide/Stem
(intake)
Clearance (max)
(exhaust)
0.06 mm
0.08 mm
Valve Spring Free Length (min)
(intake)
(exhaust)
38.2 mm
44.3 mm
Valve Spring Tension @ 33.7 mm (intake)
Valve Spring Tension @ 38.4 mm
(exhaust)
7.7-8.9 kg (22.5-38.4 lb)
CAMSHAFT AND CYLINDER HEAD
Cam Lobe Height (min)
(intake)
(exhaust)
31.40 mm
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
(min)
61.9 mm
Bore x Stroke
62 x 49.5 mm
Cylinder Trueness
(max) 0.05 mm
Piston Ring to Groove Clearance (max)
(1st/2nd)
0.09 mm
Piston Ring End Gap -
(top/middle)
Installed (min)
(oil)
0.10 mm
0.20 mm
Piston Pin Bore
(max) 15.04 mm
Piston Pin Outside Diameter
(min) 14.96 mm
CRANKSHAFT
Connecting Rod (small end inside
diameter) (max)
15.06 mm
Connecting Rod (big end side-to-side)
(max)
0.55 mm
Crankshaft Runout
(max) 0.1 mm
Oil Pressure at 60°C (140°F)
(above)
@ 3000 RPM
(below)
0.3 kg/cm² (4.3 psi)
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
(min)
83.20 mm
Fixed Driven Face Hub O.D.
(min) 33.94 mm
Movable Driven Face Bushing I.D. (max) 34.06 mm
