Motorolerio variklio alkūninis velenas dvitakčiams 50-80cc motoroleriams su Minarelli (Yamaha) vertikalios cilindro pozicijos varikliais. Jungties skersmuo (šlicai) 13mm, stūmoklio piršto skersmuo 10mm.
Tinka modeliams:
- Aprilia Amico 50 AIR 2T '96-'98
- Aprilia Amico GL 50 AIR 2T '94-'95
- Aprilia Amico LX- Sport 50 AIR 2T '92-'93
- Aprilia SR50 Replica AIR 2T '93
- Fantic Big-Wheel 50 AIR 2T '93-'97
- Italjet Pista 2 50 AIR 2T '92-'97
- Italjet Scoop 50 AIR 2T '91-'95
- Italjet Yankee 50 AIR 2T '93-'97
- MBK Booster Naked 50 AIR 2T '05->
- MBK Booster Naked R12 50 AIR 2T '05-'11
- MBK Booster Naked R13 50 AIR 2T '12->
- MBK Booster Next Generation 50 AIR 2T '95-'98
- MBK Booster Next Generation II 50 AIR 2T '03-'09
- MBK Booster Next Generation II 50 AIR 2T '99-'02
- MBK Booster Original 50 AIR 2T '04->
- MBK Booster Original 50 AIR 2T '90-'93
- MBK Booster R12 50 AIR 2T '04->
- MBK Booster Road 50 AIR 2T '94-'95
- MBK Booster Rocket 50 AIR 2T '03-'09
- MBK Booster Rocket 50 AIR 2T '95-'02
- MBK Booster Spirit 1.0 50 AIR 2T '13->
- MBK Booster Spirit 50 AIR 2T '96-'98
- MBK Booster Spirit 50 AIR 2T '99-'03
- MBK Booster Spirit Naked 50 AIR 2T '03
- MBK Booster Spirit R12 50 AIR 2T '01-'02
- MBK Booster Spirit R12 50 AIR 2T '03
- MBK Booster Track 50 AIR 2T '96-'97
- MBK Stunt 50 AIR 2T '00-'02
- MBK Stunt 50 AIR 2T '03
- MBK Stunt Naked 50 AIR 2T '04->
- Yamaha Bw's Bump 50 AIR 2T '96-'97
- Yamaha Bw's Easy 50 AIR 2T '13->
- Yamaha Bw's Naked 50 AIR 2T '03
- Yamaha Bw's Naked 50 AIR 2T '05->
- Yamaha Bw's NG 50 AIR 2T '95-'98
- Yamaha Bw's NG II 50 AIR 2T '03-'09
- Yamaha Bw's NG II 50 AIR 2T '99-'02
- Yamaha Bw's Original 50 AIR 2T '04->
- Yamaha Bw's Original 50 AIR 2T '90-'93
- Yamaha Bw's Original 50 AIR 2T '96-'98
- Yamaha Bw's Original 50 AIR 2T '99-'03
- Yamaha Bw's Original R12 50 AIR 2T '01-'02
- Yamaha Bw's Original R12 50 AIR 2T '03
- Yamaha Bw's R 50 AIR 2T '94-'95
- Yamaha Bw's R12 50 AIR 2T '04->
- Yamaha Bw's SPY 50 AIR 2T '03-'06
- Yamaha Bw's SPY 50 AIR 2T '95-'02
- Yamaha Slider 50 AIR 2T '00-'02
- Yamaha Slider Naked 50 AIR 2T '03-'10
- Yamaha Slider Naked R12 50 AIR 2T '11-'13
- Yamaha Slider Naked R12 50 AIR 2T '14->
