Primary transmission Minarelli horizontal long crankcase 14/42 Malossi

Primary transmission 14/42, MBK Booster - Nitro / Yamaha BW's - Aerox

Technical Features
H.t.q. z 14/42 gear studied and manufactured with straight teeth to minimize losses due to friction and pressure on the supports.
Optimization of the ratios.
Extended gear shaft.
Polished stainless steel bearing support.
Sealed bearing.

Note: apply only with original AEROX-NITRO crankcase cover.

ATTENTION! For lightly tuned engines, we recommend the 13/44 transmission (extends by 15.50%), for highly tuned engines you can install the 14/42 setup (extends by 25.00%).
The 16/40 transmission (extends by 60.00%) can only be installed on fully tuned engines! If you are not sure which is the ideal transmission for your setup, please contact us.