engine mods

Hai guys currently in need of help as i have recently done fullspec 62 for my x1r/lc135 but its sempot/bobok 62mm block superhead 20/23 uma carb 28mm 28mm header leovince exhaust pipe some say is my header too small some say its my carb needs to be reset specifically the main jet i need help...

How to achieve 20 hp on 57mm bore? I would like to know the setup on it with daily manner and good fuel consumption. If you have one post it with dyno results plss. Opinion and insight are welcomed

Hi there, just want to share my bike old set if ever someone here is wondering how they can add some power to there stock sniper mx 135 without changing stock carburettor and at the same time will look and sound like a stock. Here are the parts i use for my upgrades Cylinder head - Stock...