Welsh pitbike z140 tuned - pop pop bang!

Tuned welsh pitbike (z40 race cam, 26mm carb, stainless Doma race pipe, OORacing VRM118 lightened flywheel & CDI pack with rev limiter, high octane fuel, 17/43 Renthall sprocket setup) michelin starcross tyres with H/D innertubes and afew bling bits.