34mm - Direct replacement for Yamaha WaveRunner and WaveJammer. Mikuni No. BN34-28-8010 44mm - Direct replacement for Yamaha SuperJet, Mikuni No. BN44-40-43
Fuel pump and jet sections are separated for easier maintenance
Has integral fuel filter
Air flow is increased by 9%
Fuel pump capacity is increased by almost 20%
Easily tuneable with replaceable jets and other tuning components