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IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle. Always follow the warnings and instructions in Owner's Manual.

Click the link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com.

120 Indy

Capacities and Dimensions

Body Style

Mini Indy

Engine Oil Capacity

20 floz (591.5 ml)

Drive Clutch Type

Centrifugal

Driven Clutch Type

Sprocket

Drive Chain

#40DLX74

Reverse Transmission

N/A

Engine and Cooling

Engine Model Number

EH122PM001J

Alternator Output

50w @ 3600 RPM

Bore x Stroke

(60 x 43 mm)

Displacement

121 cc

Carburetor / Throttle Body

1-Mikuni® Tamperproofed

Carburetor Model

BV18

Idle RPM +/- 100

1650

Rated Operating RPM

3600

Main Jet

70

Pilot Jet

50

Jet Needle

N/A

Needle Jet

N/A

Cutaway

170 Throttle Valve

Throttle Gap Under CA

N/A

Fuel Screw (from fully seated

1.75 Turns

Pilot Air Jet

(1.3 mm)

Cooling

Air

Cylinders

1

Ignition Timing °BTDC @ RPM

23° BTDC @ 3600 RPM

Ignition Type

Flywheel Magneto (solid state)

Spark Plug

NGK® BR6ES

Spark Plug Gap

.028 in (.70 mm)

Recommended Engine Oil

PS-4 or PS-4 Plus

Recommended Fuel Octane

Minimum 87 octane non-oxygenated or 89 octane oxygenated

FEATURES

Electric Fuel Gauge

N/A

Low Oil Light

N/A

Parking Brake

N/A

Speedometer

N/A

Tachometer

N/A

Carburetor Jetting

120 Indy

*Shaded cells indicate factory settings

ALTITUDE Meters (Feet)

AMBIENT TEMPERATURE

°F

Below
-25

-30 to - 10

-15 to +5

0 to +20

+35

+50

+45 to +65

Above +60

°C

Below
- 31

-34 to - 23

-26 to - 15

-18 to - 7

-9 to +2

-1 to +10

+7 to +18

Above +16

0-600 (0-2000)

Main Jet

72.5

72.5

70

70

70

67.5

67.5

67.5

Pilot Jet

55

55

50

50

50

50

45

45

Clip Position

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

600-1200 (2000-4000)

Main Jet

70

70

70

67.5

67.5

67.5

65

65

Pilot Jet

50

50

50

50

50

50

45

45

Clip Position

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

1200-1800 (4000-6000)

Main Jet

67.5

67.5

67.5

65

65

65

62.5

62.5

Pilot Jet

50

50

50

50

50

45

45

45

Clip Position

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

1800-2400 (6000-8000)

Main Jet

65

65

65

65

65

62.5

62.5

60

Pilot Jet

50

50

50

50

45

45

45

45

Clip Position

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

2400-3000 (8000- 10000)

Main Jet

65

65

62.5

62.5

60

60

60

60

Pilot Jet

50

50

50

45

45

45

45

45

Clip Position

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

3000-3700 (10000- 12000)

Main Jet

62.5

62.5

60

60

60

57.5

57.5

57.5

Pilot Jet

50

50

45

45

45

45

45

45

Clip Position

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

The carburetor jetting chart above is consistent with the provisions of U.S.A. federal regulation 40 CFR 1051.115(d)(3) and is an acceptable alternative to the use of tamper-resistant features.

Clutching

120 INDY

ALTITUDE Meters (Feet)

Drive Clutch Shift Weight

Drive Clutch Spring

Driven Clutch Spring

Driven Helix

Chaincase Gearing/ Pitch

*Shaded cells indicate factory settings

0-600 (0-2000)

N/A

GREEN
(120 PRO X)
(7042118)

N/A

N/A

10:42
74P #40

600-1200 (2000-4000)

1200-1800 (4000-6000)

1800-2400 (6000-8000)

2400-3000 (8000-10000)

3000-3600 (10000-12000)