Preserving the Legacy of the Road.
Technician servicing an onboard RV generator

General Maintenance

Generator Service

The most neglected engine you own.

Oil and filter service, spark plugs, load testing and diagnostics — so your power is actually there the day the campground loses theirs.

Why It Matters

It's a Second Engine, and You're Ignoring It

Your onboard generator is a complete internal combustion engine with its own oil, filters, plugs, cooling and fuel delivery. It just happens to live in a compartment where you never see it. So it gets forgotten — until you're dry camping in August, the coach hits 94 degrees inside, and the genset won't catch.

Generators also hate sitting. Fuel varnishes, carburetors gum, and the manufacturer's own guidance is to exercise it under load monthly. Most owners run theirs twice a year, for ten minutes, with no load. That's actively bad for it.

  • Generator oil and oil filter service to manufacturer spec
  • Air filter and fuel filter replacement
  • Spark plug replacement on gas units
  • Load bank testing to verify real output, not just "it starts"
  • Exhaust system and mounting inspection for CO safety
  • Fuel system inspection, carburetor service and varnish cleanup
  • Diagnostics and fault code retrieval on units that won't start or crank

A generator that starts is not the same as a generator that carries two air conditioners. We test for the second one.

Straight Answers

Generator FAQs

How often should I service my generator?

Most manufacturers specify oil service every 100 to 150 operating hours or annually, whichever comes first. Almost nobody hits the hour mark — so treat it as an annual service and you'll be right.

How often should I run it?

Monthly, for about two hours, under real load — run the air conditioning. That keeps seals wet, burns off moisture, and prevents the fuel system from gumming up. Ten idle minutes accomplishes very little.

My generator starts but the AC kicks it offline. What's wrong?

Classic symptom of a generator producing voltage but not usable power — often carburetion, governor, or an aging stator. That's exactly what load testing diagnoses. Bring it in and we'll find it.

What Owners Say

About Our Generator Service

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Watch

Your Generator Is the Most Neglected Thing You Own

Generator oil, filters, plugs and load testing. Why exercising it monthly matters more than you think, and what happens when it sits unused for a season.

Questions? Call (727) 245-0753.

Before Hurricane Season

Make Sure Your Power Works

(727) 245-0753
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