Kart Sales & Service

Kart racing is an exciting sport for both hobbyists and aspiring professional drivers, with machines that can go over 100 mph and pull up to 3g’s in a corner. Kart racing offers incredible bang-for-your-buck fun, but how do you get started? Unser Karting is here to help.


We are a Kosmic and Sodi Kart dealer, but service all makes and models of karts. We are also a Rotax Authorized Service Center and carry many engines including Honda, Vortex, and Iame. From weekend-fun machines to top-of-the-line shifter karts, come in and check out our inventory to find a kart that fits your needs. We understand the importance of engine care, which is why we also offer a full tuning and repair services to handle precious equipment.

Having kart problems? No problem! We offer a wide variety of mechanic services for your kart including scaling, set up, and welding. We also offer laser alignments, seat mounting, engine rebuilds, brake system rebuilds and more, all starting at $65 per hour.

No more room in the garage? We know how you feel. Not only will we store your kart at our facility for a base rate of $50 per month, but we also take it one step further by offering a full concierge service. Have your kart washed, serviced, and transported straight to the tarmac in race ready condition. All you have to do is show up!
Want to get faster? Let our team help. We offer one-on-one individual driver coaching at any racetrack in Colorado. Our kart or yours, indoor or outdoor, we can show you the tips and tricks to make you faster and a better racer. Our mechanics are also readily available on race day right when you need them, at a starting rate of only $300 per day.

Do you want to take your driving or racing to the next level? Our race team competes in both local and national events.  We provide a full support team and pit services at most local events and some of the top events in the US including the Gatorz Challenge of the Americas, Rotax US Grandnationals, Rotax PanAmerican, and Skusa Supernationals. We also provide pit services at several local tracks for practice and coaching sessions.  Look for the Unser Racing camp at one of the races or practice sessions or come in today to talk to our Performance Division Manager Greg Welch and join the team!