Malossi top performance 282cc aluminium cylinder for Maxi scooters with 250cc Quasar engines. Top performance with the 4V head. Great manufacturing and the head alone yields 15-20% more power. Delivery contains complete cylinder kit and pre-assembled 4-valve cylinder head (without camshaft).
Installation information:
1. In general suitable on vehicles with the old version of Piaggio cylinder head (slider rocker arms). Mostly fitted till year of production 2014 (but also used longer). To mount the Malossi head the rocker arms, camshaft etc. of the OEM head have to be installed in the new head. Additional power increase by using Malossi camshaft M.5911962.
2. On younger vehicles with newer version of Piaggio cylinder head, which uses roller rocker arms (mostly 2014 up), the OEM rocker arms, camshaft etc. can not be used in the Malossi cylinder head. An additional valve train conversion kit need to be installed. Please use KIT.PI.39402 (requires camshaft PI-8759585). (Applies only Piaggio X-Evo 250 07-16 and Vespa GTS 250 05-16 ZAPM45100.)
Installation information:
1. In general suitable on vehicles with the old version of Piaggio cylinder head (slider rocker arms). Mostly fitted till year of production 2014 (but also used longer). To mount the Malossi head the rocker arms, camshaft etc. of the OEM head have to be installed in the new head. Additional power increase by using Malossi camshaft M.5911962.
2. On younger vehicles with newer version of Piaggio cylinder head, which uses roller rocker arms (mostly 2014 up), the OEM rocker arms, camshaft etc. can not be used in the Malossi cylinder head. An additional valve train conversion kit need to be installed. Please use KIT.PI.39402 (requires camshaft PI-8759585). (Applies only Piaggio X-Evo 250 07-16 and Vespa GTS 250 05-16 ZAPM45100.)
