Polaris 2007 Two Stroke User Manual

1.12
MODEL SPECIFICATIONS
550 LX
MODEL S07ND5BS
Body
Body Style EDGE
Engine
Engine type Fuji
Engine Model EC550PM110
Engine Displacement 544cc
Bore (in/mm) 2.87/73
Stroke (in/mm) 2.56/65
Piston to cylinder clearance (in/mm) .0039-.0053/.10-.135
Piston ring end gap
(in/mm)
.016-.022/.40-.61
Operating RPM±200 7000
Idle RPM±200 1600
Clutch engagement RPM ±200 3800
Exhaust valve spring N/A
Fuel Delivery
Type VM34
Main Jet 250
Pilot Jet 35
Jet Needle/Clip position 6BGY41/4
Needle Jet Q-0 (480)
Throttle gap under cutaway (in/mm) .256/6.5
Throttle slide cutaway 3
Valve seat 1.5 Viton
Starter jet 1.5
Pilot air jet 2.5
Fuel screw setting N/A
Air screw setting 1.0
Recommended fuel octane (R+M/2) 87 NonOxy/Min.
Jetting
Altitude
meters (feet)
Ambient Temperature
< -25°F/<-35°C
-30°F to -10°F/-34°C to -23°C
-15°F to +5°F/-26°C to -15°C
0°F to +20°F/-18°C to -7°C
+15°F to +35°F/-9°C to +2°C
+30°F to +50°F/-1°C to +10°C
+45°F to +65°F/+7°C to +18°C
>+60°F/>+16°C
0-600
(0-2000)
270
#4
260
#4
250
#4
240
#3
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
#1
190
#1
1800-2400
(6000-8000)
230
#3
220
#3
220
#3
210
#2
210
#2
200
#1
190
#1
180
#1
2400-3000
(8000-10000)
220
#3
210
#3
210
#2
200
#2
190
#1
190
#1
180
#1
170
#1
3000-3700
(10000-12000)
210
#3
200
#2
190
#2
190
#1
180
#1
180
#1
170
#1
160
#1
Clutching
Altitude meters
(feet)
Drive Clutch (P-85) Driven Clutch (TEAM)
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-62
Dark Blue/
White
Red/Blue
(56/42-.36)
LW ER
19:39- 72
600-1200
(2000-4000)
10-60
Dark Blue/
White
Red/Blue
(56/42-.36)
LW ER
19:39- 72
1200-1800
(4000-6000)
10-60
Dark Blue/
White
Red/Blue
(56/42-.36)
LW ER
19:39- 72
1800-2400
(6000-8000)
10-58
Dark Blue/
White
Red/Blue
(56/42-.36)
LW ER
18:39- 72
2400-3000
8000-10000)
10-56
Dark Blue/
White
Red/Blue
(56/42-.36)
LW ER
18:39- 72
3000-3600
(10000-12000)
10-56
Dark Blue/
White
Red/Blue
(56/42-.36)
LW ER
18:39- 72
Drive clutch bolt torque 50 ft-lbs (69 N-m)
Belt
Belt part number 3211078
Belt width (in/cm) 1.438/3.65
Belt side angle 28°
Outside diameter (in/cm) 46.625/118.4
Clutch center distance (in/cm) 11.5/29.2
Chaincase
Center distance (in/cm) 7.92/18.52
Reverse type PERC

Polaris 2007 Two Stroke Specifications

General

Brand	Polaris
Model	2007 Two Stroke
Category	Snowmobiles
Language	English