Did a bit of port work on my Puch Maxi e50 engine with case induction. Decided to drill some secondary exhaust ports. Took it for a rip and it revs so high
Tomos D6 Prototype | 3D CAD Model Library | GrabCAD
Honda Express From 49cc To Stroker 100cc In Original Case | The Hobby-Machinist
Tomos DM GP, motocikl koji je pokorio Evropu - BJBikers.com