Located the Mikuni TM 27D-1 Installation tips with factory jetting settings
Main Jet: 102.5 (N100.604)
Main Air Jet: 0.5 (BS30/97)
Jet Needle: FL14-3 (Third notch)
Needle Jet 0-8 (261 series)
Throttle Valve 3.0 (832-33006)
Pilot Jet 30 (VM28.486)
Needle Valve 2.0 (VM14/145)
Air Screw 3/4 Turn
Rejet Carbs according to your bike set up
1. Stock engine, exhaust with K&N Air Filter
Main Jet 107.5
2. Stock engine, K&N Air Filter(s), and Aftermarket Exhaust with Street Baffle
Main Jet 117.5
Pilot 35
3. Stock engine, K&N Air Filters, and Aftermarket Exhaust with Competition Baffle
Main Jet 127.5
Pilot 35