GENERAL INFORMATION
1.4
MODEL: 440 PRO X Fan..........
MODEL NUMBER: S03NX4FS.
ENGINE MODEL: EC45PM040..
JETTING CHART
AMBIENT TEMPERATURE
Altitude
Below -30qF
Below -34qC
-30_ to --10_F
-34_to -23_C
-- 1 0 _to +10_F
-23_ to --12_C
+10_to +30_F
-12_to --1_C
+30_to +50_F
-1_to +10_C
Above +50_F
Above +10_C
-
-
-
--
-
--
-
0--600
(0--2000)
360/350
#4
340/330
#3
330/320
#3
320/310
#3
310/300
#2
310/300
#1
600--1200
(2000--4000)
340/330
#3
320/310
#3
310/300
#3
300/290
#3
290/280
#2
290/280
#1
Meters
1200--1800
320
310 300
290 290
280 280
270 270
260 270
260
(Feet)
(4000--6000)
#3
#3
#3
#2
#1
#1
1800--2400
300/290
280/270
270/260
260/250
250/240
250/240
(6000--8000)
#3
#3
#2
#2
#1
#1
2400--3000
280/270
260/250
250/240
240/230
230/220
230/220
(8000--10000)
#3
#2
#2
#1
#1
#1
3000--3700
260/250
240/230
230/220
220/210
210/200
210/200
(10000--12000)
#2
#2
#2
#1
#1
#1
XXX
#X
- # refers to the clip position from top of jet needle.
CLUTCH CHART
DRIVE DRIVEN
Altitude
Shift Clutch Clutch Driven
Chaincase
Weight
Spring
Spring
n
Helix
a
a
Gearing
Meters
0-900
Alm
n
ilv
r R4
21--41 74P
(Feet)
-
(0-3000)
S--55 H
n
Red
Blue
#-3
--
HYVO
900-1800
Alm
n
ilv
r R4
21--41 74 P
-
(3000-6000)
S--53 H
n
Red
Blue
#-3
--
HYVO
1800-2700
Alm
n
ilv
r R4
21--41 74 P
-
(6000-9000)
10 AL
n
Red
Blue
#-4
--
HYVO
2700-3700
Alm
n
ilv
r R4
21--41 74 P
-
(9000-12000)
10
n
Red
Blue
#-4
--
HYVO
ENGINE
Type Fan Cooled Cylinder Reed.......................
Displacement 438 cc...............
Bore 2.579s (65.5mm).......................
Stroke 2.559s (65mm).....................
Piston / Cylinder Clearance 0.0028s - 0.0041s (0.070 - 0.105 mm)...
Piston Marking 4RD..............
Piston Ring Marking 4N.........
Piston Ring End Gap 0.012 - 0.018 (.3 - .45 mm)........
Operating RPMr200 7750 RPM.........
Idle RPMr200 1600 RPM..............
Engagement RPMr300 5300 RPM......
Cylinder Head Torque 18-19 ft.lbs (2.5-2.8 kg-m)........
Cylinder Base Nut Torque 24-28 ft.lbs (3.3-3.9 kg-m)....
Crankcase Torque (8mm) 17-18 ft.lbs (2.2-2.3 kg-m).....
Crankcase Torque (10mm) 23-25 ft.lbs (3.2-3.5 kg-m)...
Flywheel Torque 60-65 ft.lbs (8.3-9 kg-m).............
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 .281s -(7.14mm)......
CLUTCH
Type P-85................
Belt 3211078.................
Belt Width (Projected) 1.438s.
Side Angle (Overall) 28q..
Outside Circumference 46.625s
Center Distance 11.50s......
Shift Weights S--55........
Primary Spring Almond Red.......
Secondary Spring Silver/Blue....
Driven Helix R49 #3.........
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