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.
* One inch below plug threads.
** At the plug threads.
CHASSIS
Tire Size
Front - 24 x 8-12
Rear - 24 x 10-12
Tire Inflation Pressure
27.6 kPa (4 psi)
MISCELLANY
Spark Plug Type
NGK CPR8E
Spark Plug Gap
0.7-0.8 mm (0.028-0.031 in.)
Gas Tank Capacity (rated)
15.1 L (4.0 U.S. gal.)
Rear Drive Capacity
250 ml (8.5 fl oz)*
Front Differential Capacity
275 ml (9.3 fl oz)**
Engine Oil Capacity
3.3 L (3.5 U.S. qt) - Overhaul
2.8 L (3.0 U.S. qt) - Change
Gasoline (recommended)
87 Octane Regular Unleaded
Engine Oil (recommended)
Arctic Cat ACX All Weather
(Synthetic)
Differential/Rear Drive Lubricant
SAE Approved 80W-90 Hyp-
oid
Drive Belt Width (minimum)
28.5 mm (1.12 in.)
Brake Fluid
DOT 4
Taillight/Brakelight
12V/5W/21W
Headlight
12V/35W (4)
FUEL SYSTEM
Carburetor Type
Keihin CVK34
Main Jet
112
Slow Jet
38
Pilot Screw Setting (turns)
2 1/2
Jet Needle
NLGB
Idle RPM (engine warm)
1250-1350
Starter Jet
75
Float Height
17 mm
Throttle Cable Free-Play (at lever)
3-6 mm (1/8-1/4 in.)
ELECTRICAL SYSTEM
Ignition Timing
10° BTDC @ 1500 RPM
Spark Plug Cap
4000-6000 ohms
Ignition Coil Resistance
(primary)
(secondary)
Less than 1 ohm
2900-3400 ohms
Ignition Coil Peak Voltage
(primary/CDI) 250-375 DC volts
Stator Coil Resistance
(trigger)
(charging)
90-110 ohms
Less than 1 ohm
Peak Voltage
(trigger) 7.8-9.3 volts
AC Generator Output
(no load) 60 AC volts @ 3000 RPM
Generator Output (approx)
220W @ 5000 RPM
CRANKSHAFT
Connecting Rod (small end)
(max) 20.021 mm
Connecting Rod (big end side-to-side)
(max)
0.7 mm
Connecting Rod (big end width)
21.95-22.00 mm
Connecting Rod (small end deflection)
(max)
3.0 mm
Crankshaft (web-to-web)
60.9 mm
Crankshaft Runout
(max) 0.03 mm
CYLINDER, PISTON, AND RINGS
Piston Skirt/Cylinder Clearance
0.060-0.073 mm
Piston Diameter 15 mm from Skirt End
80.98-81.00 mm
Piston Ring Free End Gap (max)
(1st)
(2nd)
11.6 mm
10.1 mm
Bore x Stroke
81.0 x 71.2 mm
Cylinder Trueness
(max) 0.01 mm
Piston Ring End Gap - Installed
(min) 0.15 mm
Piston Ring to Groove Clearance (max)
(1st/2nd)
0.06 mm
Piston Ring Groove Width
(1st)
(2nd)
(oil)
1.01-1.03 mm
1.21-1.23 mm
2.01-2.03 mm
Piston Ring Thickness
(1st)
(2nd)
0.97-.99 mm
1.17-1.19 mm
Piston Pin Bore
(max) 20.008 mm
Piston Pin
(min) 19.994 mm
VALVES AND GUIDES
Valve Face Diameter
(intake)
(exhaust)
30.6 mm
27.9 mm
Valve/Tappet Clearance
(intake)
(cold engine)
(exhaust)
0.10 mm
0.23 mm
Valve Guide/Stem
(intake)
Clearance (max)
(exhaust)
0.10 mm
0.30 mm
Valve Guide/Valve Stem Deflection
(Wobble Method) (Max)
0.35 mm
Valve Face Radial Runout
(max) 0.15 mm
Valve Guide Inside Diameter
5.000-5.012 mm
Valve Stem Outside Diameter
(intake)
(exhaust)
4.975-4.990 mm
4.951-4.970
mm
Valve Stem Runout
(max) 0.10 mm
Valve Head Thickness (min)
2.30 mm
Valve Face/Seat Width (min)
(intake/exhaust)
0.99 mm
Valve Seat Angle
(intake/exhaust) 45°
Valve Spring Free Length
(min) 40.4 mm
Valve Spring Tension @ 31.1 mm
21.4 kg (47.18
lb)
CAMSHAFT AND CYLINDER HEAD
Cam Lobe Height (min)
(intake/exhaust) 33.53 mm
Camshaft Journal Oil Clearance
(max) 0.040 mm
Camshaft Journal Holder (right & center)
Inside Diameter
(left)
21.98-22.04 mm
17.48-17.53 mm
Camshaft Journal Outside (right & center)
Diameter
(left)
21.97-21.98 mm
17.47-17.48 mm
Camshaft Runout
(max) 0.03 mm
Rocker Arm Inside Diameter
12.000-12.018
mm
Rocker Arm Shaft Outside Diameter
11.975-11.987
mm
Cylinder Head/Cover Distortion
(max) 0.05 mm
Содержание 2014 400
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Страница 124: ...Printed in U S A Trademarks of Arctic Cat Inc Thief River Falls MN 56701 p n 2259 829 ...