Inboard, Outboard & Stern Drive Specialists

Marine Engine Repair

Our certified technicians have decades of combined experience diagnosing and repairing all types of marine engines. Whether your outboard won't start or your inboard needs a full rebuild, we've got you covered.

Outboard Engines

  • Complete engine diagnostics & tune-ups
  • Fuel system cleaning & carburetor rebuilds
  • Ignition & electrical system repair
  • Lower unit service & gear oil changes
  • Water pump impeller replacement
  • Propeller repair & replacement
  • Mercury, Evinrude, Johnson, Yamaha, Honda & more

Inboard & Stern Drive

  • Inboard engine overhaul & rebuilds
  • Stern drive (I/O) service & repair
  • Gimbal bearing & bellows replacement
  • Cooling system service & thermostat replacement
  • Exhaust manifold & riser replacement
  • Mercruiser, Volvo Penta, OMC & more

Winterization & Spring Prep

  • Engine fogging & fuel stabilization
  • Flushing & antifreeze treatment
  • Battery storage & maintenance
  • Spring recommissioning & sea trial

Ready to Get Started?

Log in to your customer portal to submit a service request, or give us a call.

Northwater Service
R&R Marine Supply
550 E. Portage Ave, Sault Ste. Marie, MI 49783
Riverview Resort & Marina
17999 S. Scenic Dr, Barbeau, MI 49710