1998 Big Boss 500 6X6 W98Ae50A (Engine - Eh50Ple-06) - Specifications And Clutching And Jetting Guidelines For Altitude And Temperature - Polaris Magnum 2x4 Service Manual

FUEL SYSTEM/CARBURETION
1998 Specifications
1998 BIG BOSS 500 6X6
W98AE50A
(Engine - EH50PLE-06)
SPECIFICATIONS AND CLUTCHING AND JETTING GUIDELINES
FOR ALTITUDE AND TEMPERATURE
Carburetor B8T34 (CV) Mikuni (42PL01 B)
Main Jet - 140 Pilot Jet - 40
Jet Needle - 4033-3 Needle Jet - 0-6
Needle Seat - 1.5 Pilot Air Jet - 160
Pilot Screw* - 2.0 Turns out from lightly seated
Float Level 13.0mm (Page 4.37)
Throttle Valve - #100
Flywheel Marking: FF97 CDI Marking: CU2557 Alternator Output: 250 Watts
Ignition Timing: 30° BTDC
@
3500 RPM (± 1.5°) Spark Plug: BKR5ES Gap: .028 (.7mm)
Operating RPM: 6000 (± 200) Idle RPM: 1200 (± 100)
*Turn out (counterclockwise) one quarter turn for each 30 degrees below 60 degrees F.
Altitude
AMBIENT Below OaF
0° to 40°F
+40° to +80°F
+80°F
&
Above
TEMPERATURE
(Below -18°C) (-18°C to +5°C)
(+5°C to +26°C)
(+26°C
&
Above)
.Meters 0-900 150 145 140
135
(Feet) (0-3000)
,
900-1800
145 140 135
130
(3000-6000)
1800-2700 137.5 135
(6000-9000)
2700-3700 132.5 127.5
(9000-12000)
........
_~I
-
Pilot screw in 1/2 turn
Clutching
Altitude AMBIENT Shift Clutch Driven
TEMPERATURE
Weight Spring Helix
Meters
0-900
10MH Blue/Green
2-2
(Feet) (0-3000)
900-1800 10BH
Blue/Green
2-2
(3000-6000)
1800-2700· 10WH Blue/Green 2-1
(6000-9000)
2700-3700 10RH
Blue/Green
2-1
(9000-12000 )
Polaris Industries Inc.
4.40
5/98