Polaris 2003 ATV Trail Blazer 250 User Manual
Carburetor jetting clutching chart
1
Owner’s Manual Supplement - PN 9917502
2003 Trail Blazer 250
IMPORTANT: Keep this supplement with your owner’s manual at all times.
Capacities
Body Style
Gen III
Gross Vehicle Weight
765 Lbs.
Fuel Capacity
3.5 U.S. Gal
Engine Oil
2 Quarts
Gearcase Oil
11 oz.
Front Rack (Maximum Capacity)
Accessory (30 Lbs.)
Rear Rack
Accessory (60 Lbs.)
Tongue Weight
30 Lbs.
Tow Hitch
Accessory
Tow Capacity
850 Lbs.
Turn Radius
60²
Ground Clearance
5.5²
Height
47²
Length
74.5²
Seat Height
34²
Dry Weight
461 Lbs.
Wheel Base
48²
Width
46.5²
Engine & Cooling
Engine Model Number
EC-25PFE-15
Engine Type
2 Cycle, Single Cylinder
Lubrication
Oil Injection
Bore x Stroke
72 x 60
Displacement
244
Compression Ratio
6.1/1 Effective
Engine Cooling
Air
Alternator Output (watts)
150
Carburetion
1/VM30SS
Main Jet
130
Pilot Jet
40
Needle Jet
0-4 (169)
Pilot Screw
1.0
Jet Needle
5DP7-3
Ignition
CDI
Timing
25° ± 3° @ 3000
Spark Plug Gap
.028 in./.7mm
Spark Plug Type
NGK BR8ES
Exhaust
USFS Approved
Drive System
Drive System Type
PVT
Shift Type
Side Lever (F-R-N)
Gear Reduction - Low
Not Applicable
Gear Reduction - Reverse
3.05/1
Gear Reduction - Forward
2.68/1
Front Drive (ratio)
Not Applicable
Final Drive (ratio)
11/36 76P
Center Drive (ratio)
Not Applicable
Drive Chain
520 O-Ring
Front Tire
23 x 7-10 (4 PSI)
Rear Tire
22 x 11-10 (3 PSI)
Suspension and Brakes
Front Susp. - Mac Strut
8.2² Travel
Rear Susp. - Prog. Rate Swing Arm
10.5² Travel
Shock Adjustment
CAM
Front Brake
Hydraulic Disc
Rear Brake
Hydraulic Disc
Auxiliary Brake
Hydraulic Disc
Park Brake
Hydraulic lock, all wheel
Features
Headlight (watts)
1 Single Beam (55 )
Taillight (watts)
8.26
Brake Light (watts)
26.9
Battery
12V 14 AH
DC Plug In - Rear
Accessory
DC Socket - Forward
Accessory
Electric Start
Standard
High Temp Indicator
Not Available
Windshield
Accessory
Low Oil Light
Standard
Neutral Indicator
Standard
Reverse Indicator
Standard
Speedometer
Accessory
Tool Kit
Standard
Carburetor Jetting
Clutching Chart
Altitude
Ambient
Temperature
Below 0°F
(Below --18°C)
0° to 40°F
(--18°C to
+5°C)
+40° to +80°F
(+5°C to
+26°C)
+80°F & Above
(+26°C &
Above)
Altitude
Shift
Weight
Drive
Clutch
Spring
Driven
Clutch
Spring
Helix &
Spring
Setting
Meters
(Feet)
0-900
(0-3000)
150
140
130
120
Meters
(Feet)
0-1800
(0-6000)
G
(5630514)
Blue/Green
(7041157)
Red
(7041198)
40°
(5131446)
(Feet)
900-1800
(3000-6000)
140
130
120
110
(Feet)
(0 6000)
(5630514)
(7041157)
(7041198)
(5131446)
2+2
1800-2700
(6000-9000)
125
120
110
100
1800-3700
(6000-1200
F
(5630515)
Blue/Green
(7041157)
Red
(7041198)
40°
(5131446)
2700-3700
(9000-12000)
115
110
100
95
(6000
00
0)
(5630515)
(7041157)
(7041198)
(5131446)
2+2
-
Turn Air Screw out 1/2 turn CCW from seat, Raise needle clip 1 position to lower jet needle
PN 9917502 Rev 02 6/02
E
2002 Polaris Sales Inc.
Printed in U.S.A.