Kawasaki Kx450f Jetting

Main: 180 (175 stock) Pilot: 42 Needle: NCVR Leak jet: 55 (70 stock)

Clip position: 4th from top

Fuel screw: 2 turns out (1-3/4 stock)

Notes: Kawasaki does not recommend low octane pump gas, aviation fuels or octane boosters.

stock) Pilot: 42 Needle: HCVR Leak jet: 55 (70 stock) Clip position: 4th from top Fuel screw: 2 turns out (1-3/4 stock)

Notes: The 2007 model was a little lean. We went bigger on the main and leak jet, but left the pilot alone.

2007 KAWASAKI KX450F JETTING Main: 180 (175

2006 KAWASAKI KX450F JETTING Main: 175 Pilot: 42 Needle: HCVR Leak jet: 55 (70 stock) Clip position: 4th from top Fuel screw: 1-3/4 Notes: The leak jet is too lean (the larger the leak jet number, the leaner the leak jet). We went from a 70 to a 55. □

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