After investigating the best tuning parts available we wold highly recommend changing the Crankshaft and a much stronger clutch also
ETS 1 x Piaggio Vespa Crankshaft Oil Seal (Clutch Side) PX
Vespa S 50 2T 25 Km/h NOABS E2 2007 (EMEA)
including an angled valve Specifically for the Vespa PX
x3 cork plates
F.A. ITALIA Vespa Spoked Tubeless Split Black Rim (2.10x10) PX, T5, LML, RALLY, GT, GTR, PK50-PK, V50, 50N, Special, PV, ET3 Vespa Rider Gear After investigating the best tuningF. A. ITALIA Vespa Spoked Tubeless Split Black Rim (2. 10x10) PX, T5, LML, RALLY, GT, GTR, PK50 PK, V50, 50N, Special, PV, ET3 The FA Italia Split Rims are a fantastic replacement to modify and change your scooter. Comes in a variety colours, a great choice for your next Rim Purchase! Size: 2. 10 10 can be used for all vehicles with 3. 00 10 and 3. 50 10 tyres spoked black tubeless split rim using an internal split rim Comparison Part No. 55013