Video: Thumpstar unveils a 500cc two-stroke at AIMExpo
Thumpstar showed a 500cc two-stroke built with BRC Racing engine parts at the 2025 AIMExpo in Las Vegas.
By ROOST staff · 15 February 2025

Thumpstar's channel has posted footage of its 500cc two-stroke being unveiled at the 2025 AIMExpo in Las Vegas.
According to the video notes, the engine uses parts from Canada's BRC Racing and is based on the Honda CR500. It has a balancer shaft, a six-speed gearbox, and both electric and kick start.
The video is a walkaround of the show bike. It doesn't give Australian or New Zealand pricing or timing.
Watch
Official video from the brand's own channel. Video is not ROOST's own footage.
Thumpstar BRC 500 2 Stroke | Unveiled at 2025 AimExpo Las Vegas USA | Designed In Australia · Thumpstar (official channel) · Watch on YouTube
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