Motorolerio variklio grupė, dviejų taktų skysčiu aušinamiems Piaggio varikliams. Cilindro forma penkiakampė. Komplekte: cilindras (diametras 40mm), stūmoklis, žiedai, pirštas (skersmuo 12mm), piršto fiksatoriai, tarpinės po cilindru, po galvute.
Tinka motoroleriams:
- Aprilia SR50 Factory H2O 2T '04-'09
- Aprilia SR50 Factory H2O 2T '10-'13
- Aprilia SR50 Factory H2O 2T '14
- Aprilia SR50 Racing H2O 2T '07/03-'08
- Aprilia SR50 Sport H2O 2T '07/03-'08
- Aprilia SR50 Street H2O 2T '07/03-'08
- Aprilia SR50 Street H2O 2T '09-'12
- Aprilia SR50i Ditech H2O 2T '07/03-> (Pure Jet)
- Aprilia SR50i Factory H2O 2T '06-'08 (Pure Jet)
- Derbi GP1 50 H2O 2T '02-'03
- Derbi GP1 Open 50 H2O 2T '06-'09
- Derbi GP1 Race 50 H2O 2T '05-'07 (chain)
- Gilera DNA 50 H2O 2T '00-'01
- Gilera DNA GP 50 H2O 2T '02-'05
- Gilera DNA RST 50 H2O 2T '06
- Gilera Runner DD 50 H2O 2T '98-'02
- Gilera Runner DT 50 H2O 2T '98-'02
- Gilera Runner FL 50 H2O 2T '03-'04
- Gilera Runner Pure Jet 50i H2O 2T '01-'05
- Gilera Runner Pure Jet RST 50i H2O 2T '05-'11
- Gilera Runner SP 50 H2O 2T '02-'04
- Gilera Runner SP RST 50 H2O 2T '05-'06
- Gilera Runner SP RST 50 H2O 2T '07
- Gilera Runner SP RST 50 H2O 2T '08-'09
- Gilera Runner SP RST 50 H2O 2T '10-'12
- Piaggio NRG MC2 DD 50 H2O 2T '98
- Piaggio NRG MC2 DT 50 H2O 2T '98
- Piaggio NRG MC2 Extreme 50 H2O 2T '99-'00
- Piaggio NRG MC3 DD 50 H2O 2T '01-'04
- Piaggio NRG MC3 Pure Jet 50i H2O 2T '01-'04
- Piaggio NRG Power DD 50 H2O 2T '05-'06
- Piaggio NRG Power DD 50 H2O 2T '07-'15
- Piaggio NRG Power Pure Jet 50i H2O 2T '05->
- Piaggio Zip SP2 50 H2O 2T '01-'05
- Piaggio Zip SP2 50 H2O 2T '06-'09