Polaris 2007 Sportsman 450 EFI, Service Manual

Page: 11 / 406

1.7
GENERAL INFORMATION
1
Table 1-5: Sportsman 450
E
NGINE
Platform Fuji Single Cylinder
Engine Model Number EH46PLE010
Engine Displacement 455cc
Number of Cylinders 1
Bore & Stroke (mm) 87.9 x 75 mm
Compression Ratio 9.8:1
Compression Pressure 50-90 psi
W/Compression Release
Engine Idle Speed
1100
±
50 RPM
Engine Max Operating Rpm
6000 Rpm
±
200 Rpm
Cooling System / Capacity Liquid - 2.25 qt / 2.1 ltr
Overheat Warning HOT on Instrument Cluster
Lubrication Pressurized Dry Sump
Oil Requirements / Capacity Polaris 0W-40 2 qt. / 1.9 ltr
Exhaust System Single Pipe USFS Approved
Fuel System
Carburetor Mikuni BST 34mm
Main Jet 167.5
Pilot Jet 42.5
Jet Needle / Clip Position 4IB33 - 3
Needle Jet P-6M (829)
Pilot Screw 2 3/4 Turns Out (initial)
Pilot Air Jet 1.3
Float Height
13mm
±
1 (.51
±
0.40
"
)
Fuel Delivery Fuel Pump
Fuel Capacity / Requirement 4.25 gal US / 19.9 liters
87 Octane (minimum)
or 89 Oxygenated
Electrical
Alternator Output 260 w @ 3000 RPM
Voltage Regulator 3-phase - PDM
Lights : Pod 50 watts
Grill 2 x 37 watts
Brake 26.9 watts
Tail 8.26 watts
Worklight 13 watts
Indicator 1 watt
Operating RPM 6000 RPM
Ignition System DC/CDI Ignition
Ignition Timing
30
°
±
2
°
BTDC @ 5000 RPM
Spark plug / Gap BKR6E / .035 in. / 0.9 mm
Battery / Amp Hr Maintenance-Free / 12 Amp Hr.
Circuit Protection Solid State - PDM
Starting Electric / Recoil
Instrument Cluster Analog Speedo w/ LCD
Table 1-6: Sportsman 450
Drivetrain
Transmission Type Drumshift - H/L/N/R/P
Transmission Capacity 32 oz. / 948 ml
Front Gearcase Capacity 8.97 oz. / 265 ml
Gear Ratio : Low
Rev
High
Front Drive 23.91:1
16.30:1
10.49:1
3.82:1
Clutch Type PVT Non-EBS
Belt 3211077
Steering / Suspension
Front Suspension / Shock A-arm / MacPherson Strut
Front Travel 8.2 in. / 20.8 cm
Rear Suspension / Shock Progressive Rate Independent -
w/ 2
"
Coil-over shock
Rear Travel 9.5 in. / 24.13 cm
Ground Clearance 11 in. / 27.94 cm
Shock Preload Adjustment
Front / Rear Front -Non Adjustable.
Rear - Ratchet Style- Std.
Turning Radius 65 in./165.10 cm unloaded
Toe Out 0-1/16 in / .0 - .159 mm
Wheels / Brakes
Wheel / Tire Size / Pattern - Front Steel 25x8 - 12 / 4-156
Wheel / Tire Size / Pattern - Rear Steel 25x11 - 12 / 4-156
Recommended Air Pressure Front & Rear - 5 psi
Brake - Front Dual Hydraulic Disc
Brake - Rear Single Hydraulic Disc
Brake Fluid DOT - approved only
Table 1-7: Sportsman 450 Jetting
Altitude
AMBIENT TEMPERATURE
Below 40
° F
Below 5
° C
+40 to +80
° F
+5 to +28
° C
Meters
(Feet)
0-1800
(0-6000)
175 167.5
1800-3700
(6000-12000)
162.5 157.5
Table 1-8: Sportsman 450 Clutching
Altitude
Shift
Weight
Drive
Clutch
Spring
Driven
Clutch
Spring
Driven-
Helix
Meters
(Feet)
0-1800
(0-6000)
10 WH
(5630710)
Blu/Grey
(7042202)
Black
(7041782)
40
°
2+2
(5131446)
1800-3700
(6000-12000)
20-40
(5631356)
Blu/Grey
(7042202)
Black
(7041782)
40
°
2+2
(5131446)