Snowmobile Polaris EDGE / WIDETRAK (2007-2012 year). Manual - part 12

1.42

Model Specifications

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

2011 Widetrak LX

Model Numbers: S11SU4BSL / S11SU4BEL

Engine

Engine Type

Fuji Liquid-Cooled / Piston 

Port Induction

Model Number

EC50PL023B

Displacement / # Cylinders

488cc  /  2

Bore (inches/mm)

2.83 / 72

Stroke (inches/mm)

 2.36 / 60

Piston to Cylinder 
Clearance (inches/mm)

.0035 - .0049 / .090 - .125

Installed Ring Gap
(inches / mm)

.0078 - .0157 / .20 - .40

Operating RPM ±200

7000

Idle RPM ±200

1600

Engagement RPM ±200

3800

Carburetor Settings

Type

Mikuni VM34SS

Main Jet

195

Pilot Jet

35

Jet Needle / Clip Position

6EJ26 / 2

Needle Jet

P-6 (166)

Throttle Gap (Under Cutaway)
(in/mm)
Drill Bit Size

.240 / 6.1

B - 15/64

Cutaway

3.0

Valve Seat

1.5 Viton

Starter Jet

1.5

Air Screw (Turns Out)

.5

Fuel Octane (R+M/2)
(Minimum)
(Recommended)

87 Non-Oxygenated

89 Oxygenated

Carburetor Jetting

Altitude 

Meters 

(feet)

Ambient Temperature

< -25°

F/<-3

5

°C

-30°F t

o

 -

10°F/

-34

°C to -23

°C

-15°

F 

to

 +5°F/

-26°

C 

to

 -15°

C

0°F 

to

 +2

0°F/

-18°

C t

o

 -7°

C

+1

5°F to

 +35

°F/-9°C to 

+2

°C

+30°

F 

to

 +50°F/

-1°

C

 t

o

 +10°

C

+4

5°F to

 +65

°F/+7°C to

 +18

°C

>+60

°F/>+1

6°C

0-600

(0-2000)

210

#2

200

#2

195

#2

190

#2

185

#2

175

#2

170

#2

170

#1

600-1200

(2000-4000)

195 

#2

185

#2

180

#2

175

#2

170

#2

165

#2

155

#1

155

#1

1200-1800

(4000-6000)

185

#2

175

#2

170

#2

165

#2

160

#2

155

#1

145

#1

145

#1

1800-2400

(6000-8000)

170

#2

165

#2

155

#2

155

#2

150

#1

140

#1

135

#1

135

#1

2400-3000 

(8000-10,000)

160

#2

155

#2

145

#1

145

#1

140

#1

130

#1

120

#1

120

#1

3000-3700 

(10,000-12,000)

150

#2

140

#1

135

#1

130

#1

125

#1

120

#1

110

#1

110

#1

If fuel = 93 non-oxygenated, decrease main jet size by 5.

Clutch Settings

ALTITUDE

meters

(feet)

DRIVE CLUTCH

P2 DRIVEN CLUTCH

Shift 

Weight

Clutch 
Spring

Clutch 
Spring

Driven 

Helix

Gearing

0-900

(0-3000)

10-62

100/340

(7043121)

140/200 

P2 Tab

(7043495)

40/38-.45

P2

(5137150)

19:41-66

900-1800

(3000-6000)

10-60

1800-2700

(6000-9000)

10-58

2700-3700

(9000-12,000)

10-56

Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

Re-torque after running engine.

1.43

Model Specifications

1

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

General

Width (in/cm)

43.5 / 110.5

Length (in/cm)

128 / 325.1

Height (in/cm)

51 / 129.5

Estimated Dry Weight
(lb/kg)

613 / 278.1

Fuel (Gallons / Liters)

11 / 41.6

Oil (Quarts / Liters)

2 / 1.9

Cooling System Capacity
(Quarts / Liters)

3.4 / 3.2

Brake Fluid

DOT 4

Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)

3211070

1.375 / 3.49

28_

47.25 / 120

12 / 30.5

Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Drive System

N/A

19
41
66

Polaris Synthetic

20 / 591.5

HI / LOW / REV

Electrical

Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)

13.5 - 14.5 Vdc

200

Ignition Timing 

28_ @ 3000 RPM

Spark Plug Gap in.(mm)

.028 (.70)

Spark Plug

Champion RN3C

CDI Marking

IU2212

Flywheel Marking

FP5536

Track

Width - Inches (cm)

20 (51)

Length - Inches (cm)

156 (396)

Lug Height - Inches (cm) 

1.0 / (2.5)

Track tension sag in/cm 
with 10 lbs/4.54kg placed 
16 in/40cm ahead of rear 
idler shaft

3/4” - 1” (1.9 - 2.5cm)

Front Suspension

Suspension Type

Widetrak

Shocks

Arvin Nitrex Gas Bag

IFS Spring Rate
lbs/in (N/mm)

105 (1.9)

Spring Pre-Load

3 x .135” Shims

Front Vertical Travel
Inches (cm)

7.25 (18.4)

Ski Center Distance
Inches (cm)

38 (96.5)

Camber Inches (cm)

.82 

 0.72 (20.8  18.3)

Toe Out Inches (cm)

0 - 0.12 (0 - 0.31)

Rear Suspension

Suspension Type

Widetrak Coupled Rail 156

Front Track Shock (FTS)

Arvin Nitrex Gas Bag

FTS Spring Rate
lbs/in (N/mm)

181 (3.2)

Rear Track Shock (RTS)

Arvin Nitrex Gas Bag

RTS Spring Rate
lbs/in (N/mm)

105 (1.9)

Cam Adjustable Pre-Load

Torsion Spring Diameter
Tail Angle

.468

74_

Rear Travel Inches (cm)

9 (22.9)

1.44

Model Specifications

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

2012 Widetrak LX

Model Numbers: S12SU4BEL

Engine

Engine Type

Fuji Liquid-Cooled / Piston 

Port Induction

Model Number

EC50PL023C

Displacement / # Cylinders

488cc  /  2

Bore (inches/mm)

2.83 / 72

Stroke (inches/mm)

 2.36 / 60

Piston to Cylinder 
Clearance (inches/mm)

.0035 - .0049 / .090 - .125

Installed Ring Gap
(inches / mm)

.0078 - .0157 / .20 - .40

Operating RPM ±200

7000

Idle RPM ±200

1600

Engagement RPM ±200

3800

Carburetor Settings

Type

Mikuni VM34SS

Main Jet

195

Pilot Jet

35

Jet Needle / Clip Position

6EJ26 / 2

Needle Jet

P-6 (166)

Throttle Gap (Under Cutaway)
(in/mm)
Drill Bit Size

.240 / 6.1

B - 15/64

Cutaway

3.0

Valve Seat

1.5 Viton

Starter Jet

1.5

Air Screw (Turns Out)

.5

Fuel Octane (R+M/2)
(Minimum)
(Recommended)

87 Non-Oxygenated

89 Oxygenated

Carburetor Jetting

Altitude 

Meters 

(feet)

Ambient Temperature

< -25°

F/<-3

5

°C

-30°F t

o

 -

10°F/

-34

°C to -23

°C

-15°

F 

to

 +5°F/

-26°

C 

to

 -15°

C

0°F 

to

 +2

0°F/

-18°

C t

o

 -7°

C

+1

5°F to

 +35

°F/-9°C to 

+2

°C

+30°

F 

to

 +50°F/

-1°

C

 t

o

 +10°

C

+4

5°F to

 +65

°F/+7°C to

 +18

°C

>+60

°F/>+1

6°C

0-600

(0-2000)

210

#2

200

#2

195

#2

190

#2

185

#2

175

#2

170

#2

170

#1

600-1200

(2000-4000)

195 

#2

185

#2

180

#2

175

#2

170

#2

165

#2

155

#1

155

#1

1200-1800

(4000-6000)

185

#2

175

#2

170

#2

165

#2

160

#2

155

#1

145

#1

145

#1

1800-2400

(6000-8000)

170

#2

165

#2

155

#2

155

#2

150

#1

140

#1

135

#1

135

#1

2400-3000 

(8000-10,000)

160

#2

155

#2

145

#1

145

#1

140

#1

130

#1

120

#1

120

#1

3000-3700 

(10,000-12,000)

150

#2

140

#1

135

#1

130

#1

125

#1

120

#1

110

#1

110

#1

If fuel = 93 non-oxygenated, decrease main jet size by 5.

Clutch Settings

ALTITUDE

meters

(feet)

DRIVE CLUTCH

P2 DRIVEN CLUTCH

Shift 

Weight

Clutch 
Spring

Clutch 
Spring

Driven 

Helix

Gearing

0-900

(0-3000)

10-62

100/340

(7043121)

140/200 

P2 Tab

(7043495)

40/38-.45

P2

(5137150)

19:41-66

900-1800

(3000-6000)

10-60

1800-2700

(6000-9000)

10-58

2700-3700

(9000-12,000)

10-56

Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

Re-torque after running engine.

1.45

Model Specifications

1

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

General

Width (in/cm)

43.5 / 110.5

Length (in/cm)

128 / 325.1

Height (in/cm)

51 / 129.5

Estimated Dry Weight
(lb/kg)

613 / 278.1

Fuel (Gallons / Liters)

11 / 41.6

Oil (Quarts / Liters)

2 / 1.9

Cooling System Capacity
(Quarts / Liters)

3.4 / 3.2

Brake Fluid

DOT 4

Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)

3211070

1.375 / 3.49

28_

47.25 / 120

12 / 30.5

Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Drive System

N/A

19
41
66

Polaris Synthetic

20 / 591.5

HI / LOW / REV

Electrical

Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)

13.5 - 14.5 Vdc

200

Ignition Timing 

28_ @ 3000 RPM

Spark Plug Gap in.(mm)

.028 (.70)

Spark Plug

Champion RN3C

CDI Marking

IU2212

Flywheel Marking

FP5536

Track

Width - Inches (cm)

20 (51)

Length - Inches (cm)

156 (396)

Lug Height - Inches (cm) 

1.0 / (2.5)

Track tension sag in/cm 
with 10 lbs/4.54kg placed 
16 in/40cm ahead of rear 
idler shaft

3/4” - 1” (1.9 - 2.5cm)

Front Suspension

Suspension Type

Widetrak

Shocks

Arvin Nitrex Gas Bag

IFS Spring Rate
lbs/in (N/mm)

105 (1.9)

Spring Pre-Load

3 x .135” Shims

Front Vertical Travel
Inches (cm)

7.25 (18.4)

Ski Center Distance
Inches (cm)

38 (96.5)

Camber Inches (cm)

.82 

 0.72 (20.8  18.3)

Toe Out Inches (cm)

0 - 0.12 (0 - 0.31)

Rear Suspension

Suspension Type

Widetrak Coupled Rail 156

Front Track Shock (FTS)

Arvin Nitrex Gas Bag

FTS Spring Rate
lbs/in (N/mm)

181 (3.2)

Rear Track Shock (RTS)

Arvin Nitrex Gas Bag

RTS Spring Rate
lbs/in (N/mm)

105 (1.9)

Cam Adjustable Pre-Load

Torsion Spring Diameter
Tail Angle

.468

74_

Rear Travel Inches (cm)

9 (22.9)