*NOTE: SETTINGS BELOW ARE RECOMMENDED AND MAY NOT BE IDEAL FOR YOUR ENGINE SETUP. USE AS A GUIDE AND A STARTING BASE AND TUNE FROM THERE. WE RECOMMEND OUR EASI-TUNE SYSTEM FOR OPTIMAL TUNING
KT100J Dirt
Jet – Low 1 1/4 to 1 1/2 Jet – High 1/2
Flex Length 865mm
Fuel/Oil Ratio 20:1
KT100J Bitumen
Jet – Low 1 3/4 to 2 Jet – High 1/4 to 1/3
Flex Length 940mm
Fuel/Oil Ratio 20:1
KT100S Dirt
Jet – Low 1 1/4 to 1 1/2 Jet – High 1/2
Flex Length 795mm
Fuel/Oil Ratio 18:1
KT100S Bitumen
Jet – Low 1 3/4 Jet – High 1/3
Flex Length 65mm flex length
Fuel/Oil Ratio 18:1
POP OFF PRESSURE (Metering Lever Spring setting)
- Optimal Range: 8 – 12 PSI.
- Target Pressure: 9.5 – 10 PSI.
METERING LEVER HEIGHT SETTING
| Method | Setting |
|---|---|
| Below body surface (with gasket) | 0.045″ – 0.050″ |
| Below body surface (no gasket) | ~0.039″ (1mm) |
| Above flush with the circuit plate | 0.020″ above |
| Flush with the adjacent “flats” on the carburetor | Level (neutral position) |
