ALL credit to @Dr. AngeTheRanger for the initial engine. Not mean to be realistic. The transmission need some tunes. ...

Credit to @Vehicle Intelligent Performance V.I.P. More power with less fuel, 43MPG at 70MPH (Reworked ignition and e...

no crankshaft

100cc 2Fast ~38HP 18K RPM

All credits go to Playerindo10 / NOT MY MOTOR, NOT MY VIDEO I've rebuilt the engine so that it runs better. I sligh...

70HP 5k RPM, Renault Twingo

21k RPM 31HP - Based on 139QMB big bore 80cc

110hp Cat + FAP

779cc 2 Stroke engine - not the best not the worst

Not realistic, 0HP, but it can actually run | Please press the ingnition button then press the starter button for at ...

ALL CREDIT TO @ray_nenwastaken21 and also @az3r57 | This engine has reworked ignition timing, the exhaust and a bit t...

ALL CREDIT TO ray_nenwastaken21 | Reworked the ignition timing, the exhaust and a bit the intake, now the engine can ...

Superquadro Mono 659cc, 85HP, 10250RPM, Akrapovic Exhaust

12k RPM | 20HP | 95MPH | Reworked : ignition timing, intake, exhaust

50cc --> 80cc with 51mm piston | 6HP