Specifications (400 - Automatic Transmission) - Arctic Cat 400 Service Manual

Specifications*
(400 - Automatic Transmission)
VALVES AND GUIDES
Valve Face Diameter
Valve/Tappet Clear-
ance
(cold engine)
Valve Guide/
Stem Clearance
Valve Guide/Valve
Stem Deflection
(wobble deflection)
Valve Guide Inside Diameter
Valve Stem Outside
Diameter
Valve Stem Runout
Valve Head Thickness
Valve Stem End Length
Valve Face/Seat Width
Valve Seat Angle
Valve Face Radial
Runout
Valve Spring Free
Length (min)
Valve Spring Tension
@ 32.5 mm (1.28 in.)
CAMSHAFT AND CYLINDER HEAD
Cam Lobe Height
(min)
Camshaft Jour-
nal Oil Clearance
Camshaft Jour-
nal Holder Inside
Camshaft Journal
Outside Diameter
Camshaft Runout
Rocker Arm
Inside Diameter
Rocker Arm Shaft Outside Diameter
Cylinder Head
Distortion
Cylinder Head
Cover Distortion
Back
(intake) 30.6 mm (1.20 in.)
(exhaust) 27.0 mm (1.06 in.)
(intake) 0.05-0.10 mm
(0.002-0.004 in.)
(exhaust) 0.22-0.27 mm
(0.009-0.011 in.)
(intake) 0.010-0.037 mm
(0.0004-0.0015 in.)
(exhaust) 0.030-0.057 mm
(0.0012-0.0022 in.)
(max) 0.35 mm (0.014 in.)
5.000-5.012 mm
(0.1969-0.1973 in.)
(intake) 4.975-4.990 mm
(0.1959-0.1965 in.)
(exhaust) 4.955-4.970 mm
(0.1951-0.1957 in.)
(max) 0.05 mm (0.002 in.)
(min) 0.5 mm (0.02 in.)
(min) 2.3 mm (0.09 in.)
0.9-1.1 mm
(0.035-0.043 in.)
(intake) 45°
(exhaust) 45°
(max) 0.03 mm (0.001 in.)
38.8 mm (1.53 in.)
(outer) 18.6-21.4 kg (41-47 lb)
(intake) 32.830 mm (1.293 in.)
(exhaust) 32.830 mm (1.293 in.)
(max) 0.15 mm (0.0059 in.)
(right & center) 22.012-22.025 mm
(0.8666-0.8671 in.)
(left) 17.512-17.525 mm
(0.6894-0.6900 in.)
(right & center) 21.959-21.980 mm
(0.8645-0.8654 in.)
(left) 17.466-17.484 mm
(0.6876-0.6883 in.)
(max) 0.10 mm (0.004 in.)
12.000-12.018 mm
(0.472-0.473 in.)
11.973-11.984 mm
(0.4714-0.4718 in.)
(max) 0.05 mm (0.002 in.)
(max) 0.05 mm (0.002 in.)
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CYLINDER, PISTON, AND RINGS
Piston Skirt/Cylinder
Clearance
Cylinder Bore
Piston Diameter
15 mm (0.6 in.) from Skirt End
Piston Ring
Free End Gap (min)
(2nd Ring)
Bore x Stroke
Cylinder Trueness
Piston Ring End Gap -
Installed
Piston Ring to Groove
Clearance (max)
Piston Ring Groove
Width
Piston Ring Thickness
Piston Pin Bore
Piston Pin Outside
Diameter
CRANKSHAFT
Connecting Rod
(small end inside diameter)
Connecting Rod
(big end side-to-side)
Connecting Rod
(big end width)
Connecting Rod
(small end deflection)
Crankshaft (web-to-web)
Crankshaft Runout (max)
Oil Pressure at 60°C
(140°F) @ 3000 RPM
Cooling Fan
Thermo-Switch
Operating Temperature
Engine Oil
Thermo-Switch
Operating Temperature
* Specifications subject to change without notice.
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0.060-0.073 mm
(0.0024-0.0029 in.)
82.000-82.015 mm
(3.2283-3.2289 in.)
81.930-81.945 mm
(3.2256-3.2262 in.)
(1st Ring) 8.9 mm
(0.3504 in.)
8.3 mm
(0.3268 in.)
82 x 71.2 mm
(3.29 x 2.80 in.)
(max) 0.05 mm (0.002 in.)
0.33-0.61 mm
(0.013-0.024 in.)
(1st) 0.180 mm
(0.0071 in.)
(2nd) 0.150 mm
(0.0059 in.)
(1st) 1.01-1.03 mm
(0.0398-0.0406 in.)
(2nd) 1.01-1.03 mm
(0.0398-0.0406 in.)
(oil) 2.01-2.03 mm
(0.0791-0.0799 in.)
(1st) 0.97-0.99 mm
(0.0381-0.0389 in.)
(2nd) 0.97-0.99 mm
(0.0381-0.0389 in.)
(max) 20.03 mm (0.789 in.)
(min) 19.98 mm (0.787 in.)
(max) 20.04 mm
(0.7889 in.)
0.10-0.55 mm
(0.004-0.022 in.)
21.95-22.00 mm
(0.8642-0.8661 in.)
(max) 3 mm (0.12 in.)
59.9-60.1 mm
(2.358-2.366 in.)
0.08 mm (0.003 in.)
(above) 1.1 kg/cm² (16 psi)
(below) 1.5 kg/cm² (21 psi)
(off on) 120°C (248°F)
(on off) 110°C (230°F)
(off on) 160°C (320°F)
(on off) 140°C (284°F)
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