Trail boss – Polaris 1999 ATV Trail Boss User Manual
Page 2

2
Trail Boss
S
Front Susp. - Mac Strut
6.25² Travel
S
U
S
Rear Susp. - Progresseive
Rate Swing Arm
8.5² Travel
S
P Shock Adjustment
CAM
B
R
Front Brake
Hydraulic Disc, Floating
Caliper
R
A
K
Rear Brake
Hydraulic/Mechanical
Caliper, Floating Disc
K
E
S
Auxiliary Brake
Mechanical, Floating Disc
S Park Brake
Hydraulic Disc, All Wheel
Engine Model Number
EC-25PFE-10
Engine Type
2 Cycle, Single Cylinder
Lubrication
OIl Injection
Bore x Stroke
72 x 60
E
N
Displacement
244
N
G Compression Ratio
6.1/1 Effective
G
I
N
Engine Cooling
Air
N
E Alternator Output (watts)
150
&
Carburetion
1/VM30SS
&
C
Main Jet
145
C
O
Pilot Jet
40
O
O
L
Needle Jet
0-4 (169)
L
I
Cut Away
2.0
I
N
G
Air Screw
1.0
G Jet Needle
5DP7-3
Ignition
CDI
Timing
25° @ 3000
Spark Plug Gap
.7 mm/.028 in.
Spark Plug Type
NGKBR8ES
Exhaust
USFS Appr.
L
I
G
Headlight (on front hood)
(watts)
1 Dual Beam Hi/Low 60/60
G
H
T
Taillight (watts)
8.26
T
S Brake Light (watts)
26.9
F
3-Point Hitch
Not Available
F
E
Battery
12V 14 AH
E
A
T
DC Plug In - Rear
Accessory
T
U
DC Socket - Forward
Accessory
U
R
E
Electric Start
Standard
E
S
High Beam Indicator
Standard
S
High Temp Indicator
Not Available