Performance
Tuning.

Unlocking What the Factory Left on the Table

Most stock skis are tuned conservatively from the factory — fuel maps rich, timing pulled back, rev limiters low. It makes sense for liability reasons, but it also means there's real power sitting untapped in your machine. An ECU reflash changes those parameters to what the engine can actually handle safely, and the result is a ski that responds differently from the first time you throttle up after the tune.

We've done enough builds across the Sea-Doo, Yamaha, and Kawasaki lineups to know what actually moves the needle. An RXP-X 300 tunes differently than a GP1800R HO. The Kawasaki Ultra 310 has a different supercharger setup than either of those. A tune that works great on one platform can be flat-out wrong on another. We don't run generic maps — we build packages specific to the model and how you ride.

What Makes the Biggest Difference

In order of impact — based on what we've actually seen on the water, not manufacturer marketing:

ECU reflash / tune — Usually the highest-impact change you can make without any hardware. On supercharged models especially, pulling the fuel and timing maps to what the engine can actually take cleanly gains real horsepower. On naturally aspirated skis, the gains are smaller but still noticeable in throttle response and mid-range pull.

Impeller upgrade — A pitched stainless steel impeller matched to your weight and riding style changes both top speed and hole shot. Stock impellers are a compromise. A properly matched aftermarket unit — pitched higher for top speed or lower for acceleration — is one of the best dollar-per-mph modifications available. Combined with a new wear ring, most riders feel this immediately.

Intake grate — Controls how the ski sits and how water enters the pump. Racing-style grates improve handling and prevent ventilation in tight turns. Some set up for a specific rider and riding style, some just improve overall pump efficiency on the straights.

Exhaust — On the right platform, an aftermarket exhaust adds horsepower and changes the power curve, letting the engine rev more freely at the top end. Not all platforms benefit equally — we'll tell you honestly whether it's worth the investment on your specific ski.

We also install sponsons for improved cornering, tune intercooler systems on the 300hp Rotax and Kawasaki supercharged platforms, and do full high-performance builds for riders who want a race-ready machine. Tell us what you're trying to accomplish and we'll put together the right package.

What to Expect from a Tune

Realistic expectations: a basic ECU tune on a stock ski typically gets you better throttle response and a noticeable improvement in mid-range. An impeller upgrade adds speed and pulls the hole shot noticeably. A full package — tune, impeller, intake grate — can move the top speed by several mph and change the feel of the ski completely.

We don't promise specific numbers because every ski is different — engine condition, prop pitch, riding weight, saltwater versus fresh all factor in. What we can promise is that the work will be done correctly and that we won't talk you into mods that won't make a real difference on your specific setup.