RUCKUS 310cc “JAGUAR” edition. Yamaha CYGNUS engine. Water cooling, cylinder kit 76mm, head four valves EX28.5/IN30, crankshaft long stroke +10.2mm.. JAGUAR power! Website: tunescoot.site WhatsApp: +8613068844900 Instagram: bwsp_tuning #ruckus #ruckus310cc #bwsp #ruckusbwsp #yamaha #upgrade #jaguar