Polaris 2000 120 XCR, Service Manual

Page: 5 / 99

1.2
MODEL SPECIFICATIONS
SPECIFICATIONS
2007 DRAGON 120
E
NGINE
Engine type Fuji
Engine displacement
121
Bore in/mm
2.36/60
Stroke in/mm
1.69/43
Piston to cylinder clearance in/mm
.0006-.0029/.015-.074
Piston ring end gap in/mm
.008-.016/.2-.4
Operating RPM±200
3600
Idle RPM±200
1650
Clutch engagement RPM ±200
1900
F
UEL
D
ELIVERY
Type
Mikuni BV 18
Main Jet
70
Pilot Jet
50
Jet Needle/Clip position
NA
Needle Jet
NA
Throttle gap under cutaway in/
mm
NA
Valve seat
1.6mm
Starter jet
NA
Pilot air jet
1.3mm
Fuel screw setting
1.75 Turns
Air screw setting
NA
Recommended fuel octane
(R+M/2)
Min 87 non-oxy
J
ETTING
Altitude
meters (feet)
Ambient Temperature
< -25
°F/<-35°
C
-30°
F to -10
°F/-34
°C
to
-23°
C
-1
5°F t
o +5°
F/
-26°
C t
o -15°
C
0°
F to
+20
°F/-1
8°C
to
-7°
C
+15°
F t
o +35°
F/-9°
C
to +2°
C
+3
0°F t
o +50°
F/-1°
C
to
+10°
C
+45°
F to
+6
5°F/
+7°
C
to
+1
8°C
>+60°F
/>+
16°
C
0-600
(0-2000)
72.5
55
72.5
55
70
50 70
50 70
50 67.5
50
67.5
45
67.5
45
600-1200
(2000-4000)
70
50 70
50 70
50 67.5
50
67.5
50
67.5
50
65
45 65
45
1200-1800 (4000-
6000)
67.5
50
67.5
50
67.5
50
65
50 65
50 65
45 62.5
45
62.5
45
1800-2400 (6000-
8000)
65
50 65
50 65
50 65
50 65
45 62.5
45
62.5
45
60
45
2400-3000
(8000-10000)
65
50 65
50 62.5
50
62.5
45
60
45 60
45 60
45 60
45
3000-3700
(10000-12000)
62.5
50
62.5
50
60
45 60
45 60
45 57.5
45
57.5
45
57.5
45
Main jet is the first number and the pilot jet is the second number
C
LUTCHING
Altitude meters (feet) Driven Helix Gearing
0-900
(0-3000)
Red
10-42:74P
#40
900-1800
(3000-6000)
Red
10-42:74P
#40
1800-2700 (6000-9000) Red
10-42:74P
#40
2700-3700 (9000-12000) Red
10-42:74P
#40
C
APACITIES
Fuel gal/l
.5/1.9
Oil qts/l
.6/.6
Brake fluid type
Mechanical
T
RACK
D
IMENSIONS
Width in/cm
10/25
Length in/cm
69/175
Lug height in/cm
.79/2.1
Track tension sag in/cm with
10 lbs/4.54kg placed 8 in/
20.3cm ahead of rear idler
shaft
.75/1.9