Content Source: 2020 Indy 120 Owner’s Manual (9929777 R01) > Specifications Chapter

IMPORTANT

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Carburetor Jetting

Settings At Ambient Temperature
ALTITUDE Meters (Feet) °F: Below -25 -30 to -10 -15 to +5 0 to +20 +15 to +35 +30 to +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
*Shaded cells indicate factory settings
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.

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