Engine
Rebuilds.

When It's Time for a Full Rebuild

Some problems get patched. Engine failures — real ones — don't. If your ski threw a rod, ran dry, overheated badly enough to damage the cylinder walls, or has compression so low it won't start cleanly, you're looking at a rebuild. The question isn't whether to do it, it's whether to do it right.

We pull the engine completely, tear it all the way down, and inspect every component before we start putting anything back together. Crank seals, main bearings, rod bearings, pistons, rings, cylinder condition — each one gets checked against spec. We know what failure looks like, and we know what good looks like. Components that are borderline get replaced; we don't put a rebuilt engine back together with parts that are going to fail in six months.

What We See Most Often

The failure patterns repeat. On Sea-Doo Rotax 1630cc engines — the ACE 300 platform in the RXT-X and GTX 300 — supercharger failure is common after a few years of hard use or deferred maintenance. The supercharger wears internally, the clutch pack slips, and eventually the bearing goes. When it goes catastrophically, it takes other components with it. We see this engine often and have done enough of them to know every wear pattern on the platform.

On Yamaha SVHO engines — the 1.8L four-cylinder supercharged setup in the FX SVHO and GP1800R — the supercharger coupler is the known weak point. The rubber coupler degrades over time and, when it fails, the pieces go through the engine. We've rebuilt a lot of these and we know exactly what to check.

On Kawasaki Ultra 310 engines — the 1,498cc four-cylinder supercharged setup — bearing wear and intercooler issues are what we see most. These engines are built tough but they need regular supercharger service to stay that way.

Naturally aspirated engines fail too — usually from overheating damage or just high mileage with infrequent oil changes. Piston and ring replacement on a seized or scored cylinder is straightforward work when done correctly.

OEM Parts or Upgraded — Your Call

We can rebuild to OEM spec using manufacturer or OEM-equivalent parts, or we can upgrade components where it makes sense. Forged pistons for a performance build. Upgraded supercharger rebuild kits. We'll walk you through the options and what each choice means for longevity and performance before any work starts.

After the rebuild, we run the engine through its full operating range before the ski goes back to you. We're not handing it back until we know it's right.