Snowmobile Arctic Cat (2008 year). Manual - part 10

1-35

1

Ignition Timing 

Specifications

370 cc

„NOTE: For 6000 RPM timing purposes, use a dial
indicator and scribe a mark on the flywheel for 13°
BTDC.

Ignition Timing - Engine Warm
BTDC - 18°/2000 RPM - 2.012 mm (0.079 in.)
BTDC - 13°/6000 RPM - 1.056 mm (0.042 in.)
Adjustable

738-950A

500 cc

Ignition Timing - Engine Warm
BTDC - 12°/2000 RPM - 0.867 mm (0.034 in.)
Not Adjustable

0742-218

570 cc

Ignition Timing - Engine Warm
BTDC - 20°/2000 RPM - 2.522 mm (0.099 in.)
Not Adjustable

0742-217

600 cc

Ignition Timing - Engine Warm 
BTDC - 15°/2000 RPM - 1.509 mm (0.059 in.)
Not Adjustable

740-130A

1-36

800 cc

„NOTE: For timing verification, use a dial indicator
and scribe a mark on the flywheel for 15° BTDC.

Ignition Timing - Engine Warm
BTDC - 15°/2000 RPM - 1.509 mm (0.059 in.)
Not Adjustable

0742-215

1000 cc (Crossfire/F-Series)

Ignition Timing - Engine Warm
BTDC - 12°/2000 RPM - 1.062 mm (0.042 in.)
Not Adjustable

0742-216

1000 cc (M-Series)

„NOTE: For timing verification, use a dial indicator
and scribe a mark on the flywheel for 15° BTDC.

Ignition Timing - Engine Warm
BTDC - 15°/2000 RPM - 1.655 mm (0.065 in.)
Not Adjustable

0742-350

1-37

1

Steering/Body Torque 

Specifications

* w/Green Loctite #609

* w/Green Loctite #609
** w/Blue Loctite #243

 * w/Green Loctite #609
** w/Blue Loctite #243

Bearcat 570/Panther 370

Item

Torque

 ft-lb

Ski

24

Handlebar Adjuster Block

10

Steering Post/Tie Rod*

30

Drag Link/Tie Rod*

20

Drag Link/Steering/Idler Arm

30

Spindle Arm/Tie Rod*

30

Suspension Arms/Spindle

30

Shock Absorber/Spindle

20

Front Suspension Arm (Upper)

30

Front Suspension Arm (Lower)

40

Steering Post/Chassis*

30

Tie Rod/Steering Arm*

30

Steering Arm/Chassis

30

Crossfire/M-Series

Item

Torque

ft-lb

Ski

24

Handlebar Adjuster Block

10

Steering Post Mounting Block

8

Steering Tie Rod/Shaft Arm*

30

Steering Arm/Tie Rod

30

Steering Post/Tie Rod*

30

Spindle Arm/Tie Rod

30

Suspension Arm/Spindle (Upper)

30

Suspension Arm/Spindle (Lower) (Crossfire)

40

Suspension Arm/Spindle (Lower) (M-Series)

30

Shock Absorber/Spindle

20

Front Suspension Arm/Chassis* (Upper)

30

Front Suspension Arm/Chassis* (Lower)

30

Steering Post/Chassis*

30

Steering Support/Chassis**

20

Center Steering Link/Steering Arm*

20

F-Series/T-Series

Item

Torque

ft-lb

Ski

26

Spindle Arm/Spindle**

30

Suspension Arm/Spindle*

32

Front Suspension Arm (Upper)

32

Front Suspension Arm (Lower)

32

Steering Arm/Suspension Mounting Bracket

20

Sway Bar Mounting Bracket/Suspension Mounting 
Bracket

20

Tie Rod Jam Nut**

13

Spindle Arm/Tie Rod*

30

Steering Post/Steering Tie Rod*

35

Drag Link/Steering and Spindle Tie Rods*

35

Steering Post/Suspension Mounting Bracket*

35

Drag Link/Steering Arm**

12

Shock Absorber/Shock Mounting Frame

22

Upper Bearing Bracket/Support Plate**

8

Shock Absorber/Spindle

32

Suspension Mounting Bracket/Chassis (Lower)

8

Suspension Mounting Bracket/Chassis (Upper)

20

Steering Support Plate/Steering Support

8

Shock Mount Frame/Suspension Mounting Bracket

8

Shock Mount Frame/Front Upper Frame

20

Spindle Retainer/Spindle**

20

Rear Bumper/Heat Exchanger**

25

1-38

Drive System 

Specifications

(Bearcat 570/Panther 370)

* ± 3/16 in.

MODEL

ALTITUDE

DRIVE CLUTCH 

CAM ARM

DRIVEN PULLEY

TORQUE BRACKET

SPRING

COLOR

P/N

GRAMS

SPRING

COLOR

P/N

DEGREE

Bearcat 570

0-5000

0646-149

Red

0746-749

65.0

0648-114

Red/White 0648-014

49°

5-9000

0646-147

Yellow/Green 0746-678

55.0

0148-227

Yellow

0648-126

53°/51°

9-Over

-

-

-

-

-

-

-

-

Panther 370

0-5000

0646-149

Red

0746-771

44.0

0648-012

Blue

0148-222

51°

5-9000

0646-147

Yellow/Green

-

-

-

-

0648-014

49°

9-Over

-

-

0746-772

42.0

0148-227

Yellow

-

-

MODEL

ALTITUDE

DRIVE BELT

ENGAGEMENT 

RPM

PEAK 

RPM

GEAR

RATIO

CHAIN

P/N

Length*

Width

PITCH

P/N

Bearcat 570

0-5000

0627-013

49”

1 7/16”

3000

71-7300

18/44

72

1602-042

5-9000

-

-

-

-

-

-

-

-

9-Over

-

-

-

-

-

-

-

-

Panther 370

0-5000

0627-021

47.750”

1 13/32”

3000

7200

18/44

72

1602-042

5-9000

-

-

-

-

-

-

-

-

9-Over

-

-

-

-

-

-

-

-