Choose the jets size from the sales drop down list. Only ever use genuine Mikuni parts when attempting to correctly tune out rich or lean engine conditions.
The Mikuni N100.106 pilot jet for use in BN Jet Ski carbs has a total length of 6.4mm with a 4mm outside diameter of the head. This jet is used prominently as a low speed jet in jetski models. Be careful not to confuse this jet with others.