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Aprilia RS50
Aluminum cylinder with nikasil plating
we suggest the GR1 head without a decompression valve
Head features a centered spark plug
Vespa Polini Speed Cases for CDI 5218765 Aprilia RS50Speed Cases by Polini for Vespa mopeds like the Ciao, Bravo, Grande, Si, etc These cases have a much larger intake than the stock cases and comes with a bolt on 13mm intake. Bored and matched for the big 46mm Polini kits. For Vespa CDI only. This will NOT accept the Kinetic CDI. Comes with cases, intake, gasket kit, seal, and some hardware. You will need to reuse some of your original case hardware. 170. 0210
