Arctic Cat 350 2011 Service Manual page 27

For Discount Arctic Cat Parts Call 606-678-9623 or 606-561-4983
Engine/Transmission
This section has been organized into sub-sections
which show a progression for the complete servicing
of the Arctic Cat ATV engine/transmission.
To service the center
engine/transmission must be removed from the frame.
To service top-side, left-side, and right-side compo-
nents, the engine/transmission does not have to be
removed from the frame.
NOTE: Arctic Cat recommends the use of new
gaskets, lock nuts, and seals and lubricating all
internal components when servicing the engine/
transmission.
SPECIAL TOOLS
A number of special tools must be available to the
technician when performing service procedures in this
section. Refer to the current Special Tools Catalog for
the appropriate tool description.
Description
Crankcase Separator/Crankshaft Remover
Magneto Rotor Remover Set
Oil Filter Wrench
Piston Pin Puller
Spanner Wrench
Surface Plate
V Blocks
NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
Specifications
CYLINDER, PISTON, AND RINGS
Piston Skirt/Cylinder Clearance
Piston Diameter 15 mm from Skirt End
Piston Diameter 8 mm from Skirt End
Piston Ring Free End Gap (min)
Bore x Stroke
Cylinder Trueness
Piston Ring End Gap - Installed
Piston Ring to Groove Clearance (max) (1st/2nd) 0.06 mm
Piston Ring Groove Width
Piston Ring Thickness
Piston Pin Bore
Piston Pin
3-2
crankcase halves, the
p/n
0444-152
0444-254
0644-389
0644-328
0444-251
0644-016
0644-535
(350) 0.005 mm
(425) 0.025-0.055 mm
(350) 80.98-81.00 mm
(425) 88.96-89.01 mm
8.0 mm
(350) 81.0 x 71.2 mm
(425) 89.0 x 71.2 mm
(max) 0.01 mm
(min) 0.15 mm
(1st) 1.01-1.03 mm
(2nd) 1.21-1.23 mm
(oil) 2.01-2.03 mm
(1st/2nd) 1.97-1.99 mm
(max) 20.20 mm
(min) 19.994 mm
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Manual
Table of Contents
VALVES AND GUIDES (350)
Valve Face Diameter
Valve/Tappet Clearance
(cold engine)
Valve Guide/Stem Clearance (max)
Valve Guide Inside Diameter
Valve Stem Outside Diameter
Valve Stem Runout
Valve Head Thickness (min)
Valve Face/Seat Width (min)
Valve Seat Angle (intake/exhaust) 45°
Valve Face Radial Runout
Valve Spring Free Length
Valve Spring Tension @ 31.1 mm
VALVES AND GUIDES (425)
Valve Face Diameter
Valve/Tappet Clearance (cold engine)
Valve Guide/Stem Clearance (max)
Valve Guide Inside Diameter
Valve Stem Outside Diameter
Valve Stem Runout
Valve Margin (min)
Valve Face/Seat Width (min)
Valve Seat Angle (intake/exhaust) 45°-75°
Valve Face Radial Runout
Valve Spring Free Length
Valve Spring Tension @ 32.5 mm
CAMSHAFT AND CYLINDER HEAD (350)
Cam Lobe Height (min) (intake/exhaust) 33.53 mm
Camshaft Journal Oil Clearance
Camshaft Journal Holder
Inside Diameter
Camshaft Journal Outside
Diameter
Camshaft Runout
Rocker Arm Inside Diameter
Rocker Arm Shaft Outside Diamter
Cylinder Head/Cover Distortion
CAMSHAFT AND CYLINDER HEAD (425)
Cam Lobe Height (min)
Camshaft Journal/Cylinder Head Clearance(max) 0.074 mm
(right & center)
Camshaft Journal Holder
Inside Diameter
Camshaft Journal Outside
Diameter
Camshaft Runout
Rocker Arm Inside Diameter
Rocker Arm Shaft Outside Diameter
Cylinder Head/Cover Distortion
CRANKSHAFT
Connecting Rod (small end)
Connecting Rod (big end side-to-side)
Connecting Rod (big end width)
Connecting Rod (small end deflection)
Crankshaft (web-to-web)
Crankshaft Runout
Specifications subject to change without notice.
Section
Table of Contents
(intake) 30.6 mm
(exhaust) 27.9 mm
(intake) 0.10 mm
(exhaust) 0.23 mm
(intake) 0.10 mm
(exhaust) 0.30 mm
5.000-5.012 mm
(intake) 4.975-4.990 mm
(exhaust) 4.951-4.970 mm
(max) 0.10 mm
2.30 mm
(intake) 1.687 mm
(exhaust) 2.687 mm
(max) 0.20 mm
(min) 40.4 mm
(outer) 21.4 kg (47.18 lb)
(intake) 35.0 mm
(exhaust) 30.5 mm
(intake) 0.10 mm
0.17 mm
(exhaust)
(intake) 0.1 mm
(exhaust) 0.3 mm
5.000-5.012 mm
(intake) 4.975-4.990 mm
(exhaust) 4.955-4.970 mm
(max) 0.10 mm
(intake) 1.1 mm
(intake) 0.99 mm
(max) 0.15 mm
(min) 44.73 mm
(outer) 17.23 kg (37.98 lb)
(max) 0.040 mm
(right & center) 21.98-22.04 mm
(left) 17.48-17.53 mm
(right & center) 21.97-21.98 mm
(left) 17.47-17.48 mm
(max) 0.03 mm
12.000-12.018 mm
11.975-11.987 mm
(max) 0.05 mm
(intake) 34.71 mm
(exhaust) 34.48 mm
22.01-22.04 mm
17.51-17.54 mm
(left)
(center) 21.959-21.980 mm
17.466-17.480 mm
(left)
(right) 21.966- 21.980 mm
(max) 0.03 mm
10.00-10.15 mm
9.972-9.987 mm
(max) 0.05 mm
(max) 20.021 mm
(max) 0.7 mm
21.95-22.00 mm
(max) 0.15 mm
60.9 mm
(max) 0.03 mm