Specifications; Jetting Chart; 440 Pro X Fan; Pro X - Polaris 2003 Pro X Service Manual

GENERAL INFORMATION
MODEL: . . . . . . . . . .
MODEL NUMBER:
ENGINE MODEL:
CARBURETION
Type . . . . . . . . . . . . . . . . VM34AL Mikuni
Main Jet . . . . . . . . . . . . 330 PTO/320 MAG
Pilot Jet . . . . . . . . . . . . . 40
Jet Needle . . . . . . . . . . . 6HEY34--3
Needle Jet . . . . . . . . . . . Q-2(286)
Cutaway . . . . . . . . . . . . 3.0
Air Screw . . . . . . . . . . . 0.75 Turns
Starter Jet . . . . . . . . . . . 1.5
Valve Seat . . . . . . . . . . . 1.5 Viton
Fuel Octane (R+M/2) . 87 Non-Oxygenated
89 Oxygenated
Throttle Gap
Under Cutaway . . . . . . .281 -(7.14mm)
CLUTCH
Type . . . . . . . . . . . . . . . .
Belt . . . . . . . . . . . . . . . . .
Belt Width (Projected) 1.438 .
Side Angle (Overall) . .
Outside Circumference 46.625
Center Distance . . . . . .
Shift Weights . . . . . . . .
Primary Spring . . . . . . .
Secondary Spring . . . .
Driven Helix . . . . . . . . .
ENGINE
Type . . . . . . . . . . . . . . . . . . . . . . .
Displacement . . . . . . . . . . . . . . .
Bore . . . . . . . . . . . . . . . . . . . . . . .
Stroke . . . . . . . . . . . . . . . . . . . . .
Piston / Cylinder Clearance
Piston Marking . . . . . . . . . . . . . .
Piston Ring Marking . . . . . . . . .
Piston Ring End Gap
Operating RPM 200 . . . . . . . . .
Idle RPM 200 . . . . . . . . . . . . . .
Engagement RPM 300
Cylinder Head Torque
Cylinder Base Nut Torque
Crankcase Torque (8mm)
Crankcase Torque (10mm)
Flywheel Torque . . . . . . . . . . . . .
1.4

440 PRO X Fan

. S03NX4FS
. . EC45PM040
Altitude ltitude
Meters Meters
(Feet) (
P-85
3211078
28
11.50
S--55
Almond Red
Silver/Blue
R49 #3
Fan Cooled Cylinder Reed
438 cc
2.579 (65.5mm)
2.559 (65mm)
. . . 0.0028 - 0.0041 (0.070 - 0.105 mm)
4RD
4N
. . . . . . . . 0.012 - 0.018 (.3 - .45 mm)
7750 RPM
1600 RPM
. . . . . . 5300 RPM
. . . . . . . . 18-19 ft.lbs (2.5-2.8 kg-m)
. . . . 24-28 ft.lbs (3.3-3.9 kg-m)
. . . . . 17-18 ft.lbs (2.2-2.3 kg-m)
. . . 23-25 ft.lbs (3.2-3.5 kg-m)
60-65 ft.lbs (8.3-9 kg-m)

JETTING CHART

Below -30 F -30_ to - -10_F
Below 34 C Below -34 C
-34 to -23 C -34_to -23_C
0- -600 360/350 340/330
(0- -2000)
#4
600- -1200 340/330 320/310
(2000- -4000)
#3
1200- -1800 1200 1800 320/310 320/310 300/290 300/290
( 000 6000) (4000- -6000)
#3
)
1800- -2400 300/290 300/290 280/270 280/270
(6000- -8000) (6000 8000)
#3 3
2400- -3000 280/270 280/270 260/250 260/250
(8000- -10000) (8000 10000)
#3 3
3000- -3700 260/250 60/ 50 240/230 0/ 30
(10000- -12000) (10000 12000)
#2 2
XXX
#X
- # refers to the clip position from top of jet needle.
CLUTCH CHART
Altitude ltitude
Meters Meters
0-900 0-900
(Feet)
(0-3000)
900-1800 900-1800
(3000-6000)
1800-2700 1800-2700
(6000-9000)
2700-3700 2700-3700
(9000-12000)
AMBIENT TEMPERATURE
- -10_to +10_F +10_to +30_F
-23_ to - -12_C -23 to - -12 C -12 to - -1 C -12_to - -1_C
330/320 320/310
#3 #3 #3
310/300 300/290
#3 #3 #3
290/280 290/280 280/270 280/270
#3 #3 #2
270/260 270/260 260/250 260/250
#3 3 #2 2 #2 2
250/240 250/240 240/230 240/230
#2 2 #2 2 #1 1
230/220 30/ 0 220/210 0/ 0
#2 2 #2 2 #1 1
DRIVE
Shift Shift Clutch Clutch Clutch Clutch
Weight Spring Spring
Almond/ Almond/ Silver Silver
S- -55 H S 55 H
Red Blue
Almond/ Almond/ Silver Silver
S- -53 H S 53 H
Red Blue
Almond/ Almond/ Silver Silver
10 AL 10 AL
Red Blue
Almond/ Almond/ Silver Silver
10 10
Red Blue
+30_to +50_F Above +50_F
-1 to +10 C -1_to +10_C Above +10_C Above +10 C
310/300 310/300
#2 #1
290/280 290/280
#2 #1
270/260 270/260 270/260 270/260
#1 #1
250/240 250/240 250/240 250/240
#1 1 #1 1
230/220 230/220 230/220 230/220
#1 1 #1 1
210/200 0/ 00 210/200 0/ 00
#1 1 #1 1
DRIVEN
Chaincase Chaincase
Driven Driven
Helix
Gearing
21- -41 74P 21- -41 74P
R49 R49
#-3 HYVO
21- -41 74 P 21- -41 74 P
R49 R49
#-3 HYVO
21- -41 74 P 21- -41 74 P
R49 R49
#-4 HYVO
21- -41 74 P 21- -41 74 P
R49 R49
#-4 HYVO