This was based on ATG's original Harley-Davidson shovelhead engine. I think this reaches too much high speed despite ...

Just a smaller merlin with an actual gearbox, not only is this my first engine but i also made it while i had no inte...

This was a bike engine uploaded on this site previously, it went till 55mph now it goes 210+

This is a rebrand of galakzee's 6.2 Liter LS Stroker but tuned to have over 1700hp and roughly goes 330mph the burni...

this engine is once again tuned, but this time the fuel efficiency is still at 1.0. the engine has been bored and str...

I6 that braaap like a rotary motor. Launch a dyno and enjoy the sound

Not completely accurate - tuned mostly for that litre bike IL4 scream sound [UPDATE 1: Rev limit increased and rev l...

So i was searching the smallest engine in engine sim at https://catalog.engine-sim.parts/ but i can only find a 50cc ...

guys honda sniffed something and decided to add vtec to one of their quadbike engines and just so you know, the fuel ...

Ninja 400, but unrestricted. Bigger intake, higher compression. If you want to make this motor more powerfull (and un...

a fictional bike, an 872cc inline 5 engine based from honda's cbx1000. why? in the past honda had 2 race bikes, RC 14...

A late 70's superbike by honda, which is a legend because of many things, like: it was an original bespoke inline 6 b...

A fictional 1.3L NA engine (closer to hayabusa) with a Crossplane crank (like yamaha r1), VVT script (Playerindo10's ...

A fictional 3.5L odd firing 69 deg NA V6 engine, which got the bore, stroke, redline, and rev cut of honda's j35. Ini...