Primary transmission kit (+33% 14/42) 111120 - Adly (Her Chee)-AirTec 50 LC / Yamaha-Aerox R 50 2T ('14->) SA421-01 - Top Racing

Primary transmission kit (+33% 14/42) Top Racing.

- Portuguese tuning specialists, Top Racing are a symbol of high-quality scooter components;
- Relatively simple installation of the transmission;
- To increase performance and speed, you need more power and also a longer transmission;
- Since vehicles are factory-fitted with a short transmission, a long transmission must be installed;
- The transmissions are pressed and ready for installation;
- Simply replace with the original parts;
- The transmission is not suitable for 50cc cylinders;
- Fits Minarelli engines with original intermediate shaft with 14 teeth;
- Ratio: 14/42, 33% longer than the original;
- Tuned transmissions generally have straight teeth to reduce friction;
- This results in a bit more noise, but it is harmless.

Among the most important applications are: Adly (Her Chee)-AirTec 50 LC / Benelli -491 Sport 50 (<-2003) (Minarelli) / Beta -Eikon 50 / Italjet -Dragster 50 (Minarelli) / MBK-Nitro 50 (<-1998) 55BR / Nitro 50 (2003-2012) SA14 / Nitro 50 (1999-2002) 55BR / Nitro 50 Naked (2005-2012) 4B0 / Nitro 50 Naked (2013->) 1PL / Nitro R 50 2T (2013->) 1PH / Malaguti-F15 Firefox 50 LC (<-2003) / F15 Firefox 50 LC (2004->) / Yamaha-Aerox 50 (<-1998) 5BR / Aerox 50 (2003-2012) SA14 / Aerox 50 (1999-2002) 5BR / Aerox Naked 50 2T (2013->) SA424 / Aerox R 50 2T (2013-2014) SA421-00 / Aerox R 50 2T (2014->) SA421-01.

The complete list of applications can be found below.