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1998 Model (Gen II, III, or IV)
Magnum 4x4 (II)
Scrambler 500 (III)
Model Number
W98AC42A
W98BC50A
Height, inches (cm)
46/1
(119.4)
47/1
(119.4)
Width, inches (cm)
46/1
(116.8)
45.5"
(115.6)
Length, inches (cm)
77/1
(195.6)
74.5/1
(189.2)
Wheel Base, inches (cm)
49.75/1
(126.4)
48.5"
(123.2)
Seat Height, inches (I
1)
34/1
(86.4)
33"
(83.8)
Ground Clearance, inches (cm)
6"
(15.2)
6.5/1
(15.2)
Weight - Lbs. (Kg)
595 Ibs. (274)
542 Ibs. (246)
Turning Radius (Unloaded), in. (cm)
65" (165)
60" (152.4)
Front Suspension Travel, in. (cm)
6.25/1 (15.9)
8.2" (21.6)
(McPherson Strut)
Rear Suspension, inches (cm)
8.5" (21.6)
8.5/1 (24.1)
Front Tires
25x8x12
23x7X10
Rear Tires
25x11x10
24x11x10
Center Tires
N/A
N/A
Front/Rear/Center Tire PSI
4/3
4/3
Front Brake
Hydr. Disc
Hydr. Disc
Rear Brake
Hydr. Disc
Hydr. Disc
Auxiliary Brake
Mechanical
Mech.
Fuel Capacity (U.S. Gallons)
3.5
3.5
Oil Capacity (U.S. Quarts)
(2) OW40 Engine Oil (2) OW40 Engine Oil
Cooling System Capacity (Qt./Liter)
2.25/2.16
2.25 I 2.16
Gearcase Oil Capacity (oz)
20
32
Main Head Light
12V 60W
(2) 12V 30/30W
Grill Mounted
_Li~
2,12V 27W
N/A
Tail Light 1 Brake Light (Watts)
12V - 8.26/26.9
12V
~
8.26 I 26.9
- ,
Gear Box
HIILO/R/N
HI/R/N
Gear Reduction Low
6.64/1
N/A
Drive Type
520
O~ring
~--
520 a-ring
Final Drive
12/3886P
13/36-76P
,-
Center Drive
11/2270P
N/A
Front Drive
11/2268P
N/A
Axle to Axle
N/A
N/A
Displacement
425cc
499
Engine Model Number
EH42PLE02
EH50PLE04
Compression Ratio (Full Stroke)
9.2/1
10.2/1
Bore and Stroke
87.9x70
92x75
Spark Plug
BKR5ES (NGK)
BKR5E (NGK)
Alternator Output
200W
250W
..
-
Timing Degrees
30@3500
30@3500
Carburetion
(1) BST34-CV type
(1) BST 40 CV type
Main Jet
140
155
Pilot Jet
40
40
Pilot Air Jet
Jet Needle
5F14-3
6H25-94-3
Needle Jet
P-9
y-O
--
Cutaway
N/A
N/A
Air Screw or Fuel Screw (Turns Out)
2.5
2.0
*
See Owner's Manual for rack load recommendations and restrictions.
Polaris Industries Inc.
1.89
GENERAL INFORMATION
Specifications 1998
Sportsman 500 (IV)
Big Boss 500 6x6 (II)
W98CH50A
W98AE42A
47/1
(119.4)
47/1
(119.4)
46"
(116.8)
46"
(116.8)
81"
(205.7)
103"
(261.6)
50.5/1
(128.3)
75"
(190.5)
34"
(86.4)
34/1
(91.4)
11 "
(27.9)
5.5/1
(14.0)
660 Ibs. (316)
870 Ibs. (395)
65" (165)
98" (249)
6.25" (15.9)
6.25" (15.9)
9.5" (24.1)
7.5" (21.6)
25x8x12
25x8x12
-
25x11x10
25x11x10
N/A
25x11x10
5/5
5/5/5
Hydr. Disc
Hydr. Disc
Hydr. Disc
Hydr. Disc
Hydr. Disc
Hydr. Disc
5.25
3.5
(2) OW40 Engine Oil
(2) OW40 Engine Oil
2.25 I 2.16
2.25 I 2.16
32
20
12V 60W
12V 60W
2,12V 27W
2,12V 27W
12V - 8.26 I 26.9
12V
~
8.26 1 26.9
HI/LO/R/N
HIILO/R/N
6.69/1
6.64/1
Shaft
520 a-ring
3.16:1
1214288P
N/A
11/2472P
2:1
11/2268P
N/A
30/30 116P
498
498cc
EH50PLE07
EH50PLE06
10.211
10.2/1
92x75
92x75
BKR5E (NGK)
BKR5E (NGK)
250W
250W
30@3500
30@3500
(1) BST34 CV type
(1) BST34-CV type
142.5
140
42.5
40
5078-3
5078-3
P-1
Q-6
N/A
N/A
2.0
2.0
5/98
--,
-,-
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