70cc high-end Testa R. Flanged Mount Cylinder Malossi. Construction with flange and larger capacity ensures maximum performance. Only the relevant C-ONE factory engine cases from Malossi for Piaggio 2-stroke LC and Minarelli horizontal LC engines. The same cylinder kit can be used for both sets of cases. Not suitable for original Piaggio or Minarelli cases. Only to be used with crank item No. M.5316005 and in conjunction with the MHR C-ONE engine cases M.5715844 for Piaggio LC and LC M.5716654 for Minarelli scooters. The special flange exhaust / cylinder connection means only the Malossi exhaust system MHR C-ONE will fit (Piaggio M.3215341 and Minarelli M.3217327). A larger carburettor of 21mm is an absolute must. Bore: 47.6mm diameter piston pin: 13mm stroke: 39.3mm Displacement: 70cc