Alright we all know that a 70 kit will add the most power, but otherwise a 50cc kit like malossis or polinis will add power, as they have modded ports. Getting your bike ported could but might as well go 70, cheaper and porting is still illegal. Exhaust otherwise (see Swift's guide) along with some rollers and springs and thats a cheap job done. Get a 17.5mm carb if your bike hasn't already got one as my 12mm carb is bollocks, and malossi's airbox filters and some airbox modding in general unk:
ino you dont want to, but everyone has a 70cc kit if u dont want a 70 then leave it be, because any mods will just be hassle and not even worth it.
I agree, I was adamant that I didn't want a 70 kit but now i have come to the realisation that ANY mods that make the bike more powerful aren't 16 year old legal. You'll probably get pulled over for an exhaust than anything else (unless you're one of the berks who razz past coppers in 30mph zones doing 50 whilst wearing the local comp school uniform) as it's the only visible mod most people have that affects performance. Might as well go the full monty if you have an exhaust is what i'm saying
