Snowmobile Polaris EDGE / WIDETRAK (2007-2012 year). Manual - part 10

1.34

Model Specifications

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

2009 Widetrak LX

Model Numbers: S09SU4BS / S09SU4BE

Engine

Engine Type

Fuji Liquid-Cooled / Piston 

Port Induction

Model Number

EC50PL239

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

DRIVEN CLUTCH

Shift 

Weight

Clutch 
Spring

Clutch 
Spring

Driven 

Helix

Gearing

0-900

(0-3000)

10

Brown

(7041061)

Silver

(7041499)

36D

#2

19:41-66

900-1800

(3000-6000)

RED/WHT

(7041150)

1800-2700

(6000-9000)

10M-B

2700-3700

(9000-12,000)

10M-W

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

Re-torque after running engine.

1.35

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 

27_ @ 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)

1.36

Model Specifications

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

2010 Trail RMK

Model Numbers:
S10NJ5BSA / S10NJ5BSL

Engine

Engine Type

Fuji Fan-Cooled / Piston 

Port w/Reed Assist 

Induction

Model Number

EC55PM0113

Displacement / # Cylinders

544cc  /  2

Bore (inches/mm)

2.87 / 73

Stroke (inches/mm)

 2.56 / 65

Piston to Cylinder 
Clearance (inches/mm)

.0039 - .0053 (.10 - .135)

Installed Ring Gap
(inches / mm)

.016 - .022 (.40 - .55)

Operating RPM ±200

7000

Idle RPM ±200

1600

Engagement RPM ±200

3800

Carburetor Settings

Type

Mikuni VM34

Main Jet

210

Pilot Jet

35

Jet Needle/Clip position

6BGY41 / 2

Needle Jet

Q-0 (480)

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

.264 / 6.71

G - 17/64

Cutaway

3.0

Valve Seat

1.5 Viton

Starter Jet

1.5

Pilot Air Jet

2.5

Air Screw (Turns Out)

.75

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)

270

#4

260

#4

250

#4

240

#4

230

#3

220

#3

210

#2

200

#1

600-1200

(2000-4000)

260 

#4

250

#4

240

#3

230

#3

220

#3

220

#2

210

#2

200

#1

1200-1800

(4000-6000)

250

#4

240

#3

230

#3

220

#3

210

#2

210

#2

200

#2

190

#1

1800-2400

(6000-8000)

230

#3

220 

#3

220

#3

210

#2

210

#2

200

#2

190

#1

180

#1

2400-3000 

(8000-10,000)

220

#3

210

#3

210

#2

200

#2

190

#2

190

#2

180

#1

170

#1

3000-3700 

(10,000-12,000)

210

#3

200

#3

190

#2

190

#2

180

#2

180

#2

170

#1

160

#1

Clutch Settings

ALTITUDE

meters

(feet)

DRIVE CLUTCH

P2 DRIVEN CLUTCH

(

SINGLE

 

POINT

 

ADJ

. / 

TAB

 

SPRING

)

Shift 

Weight

Clutch 
Spring

Clutch 
Spring

Driven 

Helix

Gearing

0-600

(0-2000)

10-64

BLU / WHT

7041781

120 - 210

TAB

7043512

42S

5137155

19:43-74

600-1200

(2000-4000)

10-62

1200-1800

(4000-6000)

10-60

1800-2400

(6000-8000)

2400-3000

(8000-10,000)

10-58

3000-3600

(10,000-12,000)

10-56

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

Re-torque after running engine.

1.37

Model Specifications

1

9923396 - 2007-2012 EDGE/Widetrak LX Service Manual

©2011 Polaris Sales Inc.

General

Width (in/cm)

45.5 / 115.6

Length (in/cm)

124 / 315

Height (in/cm)

48 / 121.9

Estimated Dry Weight
(lb/kg)

464 / 210.5

Fuel (Gallons / Liters)

11.8 / 44.7

Oil (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)

3211078

1.438 / 3.65

28_

46.625 / 118.4

11.5 / 29.2

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

7.92

19
43
74

Polaris Synthetic

9 / 266.2

Perc

Electrical

Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)

13.5 - 14.5 Vdc

280

Ignition Timing 

27_ @ 3000 RPM
14_ @ 6500 RPM

Spark Plug Gap in.(mm)

.028 (.70)

Spark Plug

NGK BR9ES

CDI Marking

EC55PM100 / 110

Flywheel Marking

FP6318

Track

Width - Inches (cm)

15 (38)

Length - Inches (cm)

136 (345)

Lug Height - Inches (cm) 

1.25 (3.175)

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

3/8” - 1/2” (1 - 1.3cm)

Front Suspension

Suspension Type

EDGE RMK 41

Shocks

Arvin Nitrex Gas Bag

IFS Spring Rate
lbs/in (N/mm)

100 (1.79)

Spring Pre-load
Inches (cm)

.625 (15.9)

Front Vertical Travel
Inches (cm)

7.6 (19.3)

Suspension Width
Inches (cm)

40.90 +/- .25 (103.88 +/- .63)

Camber Inches (cm)

.735 +/- .31 (1.5 +/- .8)

Toe Out Inches (cm)
(Measured over 20 
inches)

0 - .12 (0 - .30)

Rear Suspension

Suspension Type

EDGE RMK 136

Front Track Shock (FTS)

Arvin Nitrex Gas Bag

FTS Spring Rate
lbs/in (N/mm)

200 - 240 (3.6 - 4.3)

Rear Track Shock (RTS)

Arvin Nitrex

Compression Adjustable

Torsion Springs

.347 / 77_ (Stock)
 - PN 7041627 - 067
 - PN 7041628 - 067
.347 / 47_ (Soft)
 - PN 7042081 - 067
 - PN 7042082 - 067
.375 / 77_ (Firm)
 - PN 7041631 - 067
 - PN 7041632 - 067
.405 / 77_ (Most Firm)
 - PN 7041940 - 067
 - PN 7041941 - 067

Rear Travel Inches (cm)

13.8 (35.1)