Fun Parts Xpress

Dial in the performance of your concession go-karts with our Go-Kart Speed Calculator.

Quickly estimate kart speed based on engine RPM, gear ratios, tire size, and sprocket combinations. Whether you're setting up a new fleet, troubleshooting performance, or fine-tuning track speed limits, this tool helps operators make smarter decisions in seconds.

Built for the amusement industry and designed for real-world kart setups.

Try it here:
🔧 Calculate your kart speed and gearing in seconds.

Amusement Equipment Services I Expert Support With J&J The J&J Amusements team has over five decades of experience providing top-tier amusement equipment services. Explore more!

Apex Graphics Coming Soon

Company Profile – J&J Amusements’ 50th Anniversary – RePlay Magazine Company Profile – J&J Amusements’ 50th Anniversary 0 By RePlay Editor on October 1, 2025 Featured, Profiles - Companies, Products & People J&J launched its business with bumper boats in 1975. The first was built with a truck tube, 2x4s and a Suzuki motor. By 1977, the company began building beyo...

Here’s where you can find us next week. IAAPA 2024 November 19-22 IAAPA
https://s15.a2zinc.net/clients/iaapa/ie2024/Public/eventmap.aspx?EventId=44&MapItBoothID=343349&MapItBooth=2662&MapID=142