« Reply #15 on: June 24, 2011, 04:44:07 AM »
i bought this kit >
http://enviromoto.ecrater.com/p/3956702/stage-4-72cc-power-pack-139qmb-ai love it it was about the same price as the ncy everyone's so scared of but it installed and performs perfectly. i've only had it on about 4000km so I have no clue about long term endurance but this has been a great kit so far. if you're still looking into 80cc kits he also has the airsal 50mm aluminum bbk for 169 now. which looks pretty nice i hear good things about airsal and that aluminum is probably a good bit lighter than the cast iron
good luck
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'08 Agility 50, 72cc BBK, Naraku HS High Speed Variator, some clutch tweaking, UNI filter with homemade cold air setup, Leo Vince Handmade Titan exhaust, lots of random upgrades i'll never be able to remember.. the look on people's faces when i put a knee down through a curve makes it all worthwhile