GENERAL INFORMATION
1.6
MODEL: 440 PRO X..........
MODEL NUMBER: S03NX4CS.
ENGINE MODEL: S2424--4460PA4C..
JETTING CHART FOR 110 OCTANE
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)
310
#3
300
#3
290
#3
280
#3
270
#2
260
#2
600--1200
(2000--4000)
300
#3
280
#3
270
#3
260
#3
250
#2
240
#2
Meters
1200--1800
280 270 260 240 230 220
(Feet)
(4000--6000)
#3
#3
#3
#2
#2
#2
1800--2400
260 250 240 230 210 200
(6000--8000)
#3
#3
#2
#2
#2
#2
2400--3000
240 230 220 210 200 190
(8000--10000)
#2
#2
#2
#2
#2
#2
3000--3700
230 210 200 190 180 170
(10000--12000)
#2
#2
#2
#2
#2
#2
XXX
#X
- # refers to the clip position from top of jet needle.
Production=290 Main jet for 0_F at 0--1000 feet w/110
Octane non--ethanol fuel, the key switch is removed or in
the110 octane position, and the timing curve in position “D”.
CLUTCH CHART
DRIVE DRIVEN
Altitude
Shift Clutch Clutch Driven
Chaincase
Weight
Spring
Spring
n
Helix
a
a
Gearing
Meters
0-900
Alm
n
14
2
7
44
19:43
(Feet)
-
(0-3000)
S--51H
n
Red
Red/Blue
.46
74P
900-1800
Alm
n
14
2
7
44
19:43
-
(3000-6000)
S--49H
n
Red
Red/Blue
.46
74P
1800-2700
Alm
n
14
2
7
44
19:43
-
(6000-9000)
S--47H
n
Red
Red/Blue
.46
74P
2700-3600
Alm
n
14
2
2
4
19:43
-
(9000-12000)
S--45H
n
Red
Red/Blue
.46
74P
ENGINE
Type Liquid Cooled Case Reed w/V.E.S........................
Displacement 438 cc...............
Bore 2.598s (66mm).......................
Stroke 2.520s (64mm).....................
Piston / Cylinder Clearance 0.0023s - 0.0037s(0.06 - 0.095mm)...
Service Limit 0.0059s (0.15mm)................
Piston Marking EK2185/28..............
Piston Ring Marking 3021303.........
Piston Ring End Gap .012s-.018s(.30-.45mm)........
Operating RPMr200 8500 RPM.........
Idle RPMr200 1500 RPM..............
Engagement RPMr300 5500 RPM......
Cylinder Head Torque 20-24 ft.lbs(2.8-3.3 kgm)........
Cylinder Base Nut Torque 30-34 ft.lbs(4.15-4.7 kgm)....
Crankcase Torque (8mm) 20-24 ft.lbs(2.8-3.3 kgm).....
Crankcase Torque (10mm) N/A...
Flywheel Torque 90 ft.lbs(12.4 kgm).............
CARBURETION
Type TMX-34 Mikuni................
Main Jet 290............
Pilot Jet 35.............
Jet Needle 6GL67--61--3...........
Needle Jet Q-8 (Fixed)...........
Cutaway 2.5............
Air Screw .5 Turns...........
Valve Seat 1.5 Viton...........
Starter Jet 1.5...........
Fuel Octane w/o Ethanol 110 Oct.minimum
Throttle Gap
Under Cutaway .098s(2.5 mm)......
Exhaust Valve Spring Red/White
CLUTCH
Type P--85................
Belt 3211080.................
Belt Width (Projected) 1.438s (34.93mm).
Side Angle (Overall) 28q..
Outside Circumference 46.625” (118.43cm..)
Center Distance 11.5s (305mm)......
Shift Weights S--51H........
Primary Spring Almond/Red.......
Secondary Spring Red/Blue 140/200....
Driven Helix 70/44 -- .46.........
(66/44 -- .46)
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