Revs to 10,000 rpm, weighs 3000 lbs, and has a Muncie M21. (The engine that this was modeled after was apex1285/Isaac...
The Briggs & Stratton World Formula is a high-performance 204cc, 4-stroke racing kart engine designed for competitive...
The two stroke edition of my Napier Deltic. Someone made an 18-piston 2-stroke version of my Deltic (so credit to the...
Burt Munro spent 50 years turning a 1920 Indian Scout into a world-record streamliner. He hand-cast pistons with a bl...
The 1950 BMW R25 features a 247cc single-cylinder engine with a square 68 mm bore and 68 mm stroke. Utilizing an over...
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 ...
this engine turned out pretty well 70hp 250cc 2 stroke
This engine is a massively undersquare V14 with an abnormal angle I made using AMMC 7.0. Credit to CagliostroFriedChi...
This engine is massively oversquare, emulates 5 Valves per cylinder thanks to AMMC, takes a snippet of code from Cagl...
this is basically a vr design but the manufacturer called it the twingle cannot figure out how too two stroke an engi...
Not my engine, would like to give credit to Meowl for 99% of this, all this includes is an upgraded cam, 9000 rpm rev...
its a first of a kind for here only engine like this ive seen it works like the porche six stroke pattent
this is older 2 stroke handmower (Made in 1956) and Made in the USA