Here's a 4-pound, 3-hp experimental rotary engine in a go-kart - Autoblog

Go Kart News and Information

AlphaWorks Gas Engine 7HP Motor Horizontal 4 Stroke OHV Recoil Start 3600RPM 8.85Ft-Lbs/12Nm Torque 3/4x2.43” Shaft 3/16 Keyway 5/16”-24 UNF End Tapped Go Kart Log Splitter EPA/CARB Certified : Patio, Lawn

Mazda Wankel engine - Wikipedia

LiquidPiston creates revolutionary ultra-compact rotary engine – PerformanceDrive

Rotron RT300-XE Wankel Rotary Engine

125CC Engine Motor Semi Auto 3 SPEED + REVERSE for ATV QUAD GO Kart 4 WHEELER US

1.5L engine from Nissan makes 400 horsepower : r/cars

LiquidPiston Demonstrates X Mini Engine on Go-kart

Rotron RT300-XE Wankel Rotary Engine

Mazda Wankel engine - Wikipedia

Tiny Rotary Engine That's Not A Wankel Powers Go-Kart For The First Time! - Pennock's Fiero Forum

Engine Motor 125CC 4 Stroke Go Kart Engine 3 Speed Reverse Semi-Auto for ATV Quad Bike Buggy 4 Wheeler B Lawn Mower Engine : Automotive

Mazda Wankel engine - Wikipedia