Polaris SPORTSMAN 400 2003 Service Manual page 9

GENERAL INFORMATION
SPORTSMAN 400
MODEL: . . . . . . . . . .
MODEL NUMBER: . A03CH42
ENGINE MODEL: . . EH42PLE05
CARBURETION
Type . . . . . . . . . . . . . . . .
Main Jet . . . . . . . . . . . .
Pilot Jet . . . . . . . . . . . . .
Jet Needle . . . . . . . . . . .
Needle Jet . . . . . . . . . . .
Throttle Valve . . . . . . . .
Pilot Screw . . . . . . . . . .
Pilot Air Jet . . . . . . . . . .
Valve Seat . . . . . . . . . . .
Float Height . . . . . . . . .
Fuel Octane (R+M/2) .
CLUTCH
Type . . . . . . . . . . . . . . . . . . . .
Belt . . . . . . . . . . . . . . . . . . . . .
Belt Width (Projected) . . . . .
Side Angle (Overall) . . . . . .
Outside Circumference . . . .
Center Distance . . . . . . . . . .
Clutch Offset . . . . . . . . . . . .
Secondary Spring . . . . . . . .
Driven Helix . . . . . . . . . . . . .
Spring Position (Helix) . . . .
Spring Position (Sheave)
ENGINE
Type . . . . . . . . . . . . . . . . . . . . . . .
Displacement . . . . . . . . . . . . . . .
Bore . . . . . . . . . . . . . . . . . . . . . . .
Stroke . . . . . . . . . . . . . . . . . . . . .
Valve Clearance In/Ex . . . . . . .
Compression Ratio . . . . . . . . . .
Cooling . . . . . . . . . . . . . . . . . . . .
Lubrication Type . . . . . . . . . . . .
Operating RPM±200 . . . . . . . . .
Idle RPM±200 (lights off)
Compression Pressure . . . . . . .
1.4
BST 34 Mikuni
167.5
40
4GAC33--3
Q-0 (829)
#100
2 3/4 Turns Out
160
1.5
13.0mm (.51I)±1mm
87 Non-Oxygenated or
89 Oxygenated
PVT
3211069
1.188I (30.18mm)
26°
40.86 ±.12I
10±.12I (254.5mm)
0.5I (12.7mm)
Black
44-36°
2
. . 2
4 Cycle, Single Cyl.
425 cc
3.461I (87.9mm)
2.756I (70mm)
0.006/0.006I@ TDC on compression
9.2/1 Full Stroke
Liquid
Dry Sump
6300 RPM
. . . . . 1200 RPM
(Std) ±15%
JETTING CHART
AMBIENT TEMPERATURE
Altitude ltitude
Below 40 F Below 40°F
Below +5°C
Meters Meters 0-1800 0-1800
175 175
(0-6000)
(Feet) (Feet)
Above 1800 Above 1800
165 165
Above (6000)
CLUTCH CHART
Shift Shift
Altitude Altitude
Weight Weight
Meters Meters
0-1800 0-1800
10BH 10BH
(Feet) (Feet)
(0-6000)
1800-3700 1800-3700
16 16
(6000-12000)
+40 F and above +40_F and above
+5_C and above
167 5 167.5
160 160
Clutch Clutch Driven Cluthc Driven Cluthc Driven Driven
Spri g Spring Spring Spri g Helix Helix
Blue/Green Blue/ ree Bl ck Black 2+2 2+2
Blue/ ree Blue/Green Black Bl ck 2+2 2+2