Polaris 2007 Two Stroke User Manual

1.6
MODEL SPECIFICATIONS
WIDETRAK LX
MODEL S07SU4BS
Body
Body Style GENII
Engine
Engine type Fuji
Engine displacement 488cc
Engine model number EC50PL237
Bore (in/mm) 2.83/72
Stroke (in/mm) 2.36/60
Piston to cylinder clearance (in/mm) .0035-.0049/.090-.125
Piston ring end gap (in/mm) .0070-.016/.20-.47
Operating RPM±200 7000
Idle RPM±200 1600
Clutch engagement RPM ±200 3800
Fuel Delivery
Type VM34SS
Main Jet 195
Pilot Jet 35
Jet Needle/Clip position 6EJ26/2
Needle Jet P-6 (166)
Throttle gap under cutaway (in/mm) .240/6.1
Throttle slide cutaway 3
Valve seat 1.5 Viton
Starter jet 1.5
Pilot air jet N/A
Fuel screw setting N/A
Air screw setting .5
Recommended fuel octane (R+M/2) 87 NonOxy/Minimum
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)
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
#1
155
#1
145
#1
145
#1
1800-2400
(6000-8000)
170
#2
165
#2
155
#2
155
#1
150
#1
140
#1
135
#1
135
#1
2400-3000
(8000-10000)
160
#2
155
#2
145
#1
145
#1
140
#1
130
#1
120
#1
120
#1
3000-3700
(10000-12000)
150
#2
140
#1
135
#1
130
#1
125
#1
120
#1
110
#1
110
#1
When using non oxygenated fuel with an octane number
greater than 93, decrease the main jet number in the above
chart by 5
Clutching
Altitude meters
(feet)
Drive Clutch (P-85) Driven Clutch (P-85)
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-900
(0-3000)
10 Brown Silver 36D #2 19:41-66
900-1800
(3000-6000)
10
Red/
White
Silver 36D #2 19:41-66
1800-2700
(6000-9000)
10-M
Blue
Red/
White
Silver 36D #2 19:41-66
2700-3700
(9000-12000)
10 MW
Red/
White
Silver 36D #2 19:41-66
Drive clutch bolt torque 50 ft-lbs (69 N-m)
Belt
Belt part number 3211070
Belt width (in/cm) 1.375/3.49
Belt side angle 28°
Outside diameter (in/cm) 47.25/120
Clutch center distance (in/cm) 12/30.5
Chaincase
Center distance (in/cm)
N/A
Reverse type
Hi/Low/Reverse

Polaris 2007 Two Stroke Specifications

General

Brand	Polaris
Model	2007 Two Stroke
Category	Snowmobiles
Language	English