Protect Your Boat Through North Dakota’s Harshest Months

Preparing your boat for winter is one of the most important steps in preserving its performance, preventing costly repairs, and ensuring it’s ready to launch the moment warm weather returns. At River City Sports, our Winterization Service is designed to safeguard every critical system on your Malibu, Axis, Crestliner, or other watercraft. With factory-trained technicians and award-winning service standards, we deliver a winterization process that’s thorough, reliable, and built to withstand the toughest freeze cycles.

Comprehensive Protection for Every System

Winterizing a boat is more than draining fluids — it requires precise attention to each component. Our technicians perform a full, methodical preparation that includes:

Stabilizing the fuel system

Fogging and protecting internal engine components

Draining and flushing cooling systems

Changing engine and gear oils when requested

Winterizing ballast, plumbing, and onboard water systems

Inspecting batteries, electrical systems, and safety components

Preparing trailers for winter storage

Each step is carefully completed to minimize moisture buildup, corrosion, cracking, and freeze-related damage.

Safeguard Your Investment Before the First Frost

In North Dakota’s extreme winter climate, untreated water systems, engines, and drives can suffer severe damage — often costing far more than a proper winterization service. Our team makes sure your boat is fully protected, no matter its size or configuration, so you can avoid unexpected issues when the season starts again.

Professionally Documented & Ready for Spring

When we winterize your boat, you’ll receive a clear outline of the work completed. This documentation is not only helpful for your records but also supports warranty coverage and future service planning. When spring arrives, you’ll know exactly what was done, making start-up fast and simple.

Trusted Winterization for Bismarck Boaters

River City Sports has built a reputation for precision, quality, and dependable off-season care. Let our experts prepare your boat properly so you can enjoy peace of mind all winter long — and a smooth start next spring.

Schedule your winterization today and protect your boat from freeze damage all season.