The 1950 BMW R25 features a 247cc single-cylinder engine with a square 68 mm bore and 68 mm stroke. Utilizing an over...

An absurdly large V18 producing absurd horsepower per liter. The template for this was created by me.

Based on Hugh's HandBuilt specs, this configuration models a modified 1970-83 Yamaha XS650 with a 750cc big bore kit,...

I took Greg's Rhinotech 250cc 2 stroke single, lowered the idle speed, gave it a 16k rev limit and slapped it into a ...

I tuned the exhaust to make it sound similar to a G80 M3. Power figures are close, with torque being a bit down. Code...

its now a pentagram not star of david

the crank has a wierd rotational path due too piston layout it acts like V on fire 1 and on fire 2 goes inline

hits 12k rpm and the pistons are on the verge of sliding out

yes it even fires now ery noice

This is again another very unseen design on here made it pretty easily though

if you thought the mewl engines were wild then you'd be surprised about the origins of this one's lore. Anselmo basi...

takes a few tries revs up too 6k first of its kind

this engine turned out pretty well 70hp 250cc 2 stroke

it does things it shouldnt the gears act like a cvt cuz the rpms

with the first generation of Meowl's PR series engines