20-Hour Service | Bismarck ND

The 20-Hour CheckYour New Engine Needs

For new boats, the first 20 hours of operation are critical. Our 20-Hour Check makes sure every component is wearing correctly, operating smoothly, and working exactly as the manufacturer intends.

Book Your 20-Hour Check Call (701) 223-9003
Protects Warranty CoverageFactory-Trained TechniciansRequired by Most Manufacturers

Why It Matters

The Most Important Early Service for Your Engine

During the first hours of use, internal engine components settle into place and experience their highest levels of friction and heat. This break-in period sets the tone for long-term performance, efficiency, and reliability.

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Verifies proper break-in wearRemoves early metal shavingsChecks and adjusts fluid levelsFinds alignment or calibration issuesPrevents premature wearProtects engine warranty coverage

What Our Technicians Inspect

A Complete Evaluation Tailored to Your Engine

Our factory-trained team performs a comprehensive evaluation based on your engine brand and model. A typical 20-hour service includes the following.

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01

Engine Oil and Filter

Engine oil and filter replaced to remove contaminants from the break-in period.

02

Gear Lube

Gear lube inspected or replaced to protect the lower unit or drive.

03

Torque Check

Engine and mounting hardware checked and torqued to specification.

04

Belts Hoses and Clamps

Belts, hoses, and clamps inspected for wear, fit, and security.

05

Cooling and Water Pump

Cooling system and water pump function reviewed to prevent overheating.

06

Battery and Charging

Battery condition and charging output tested for dependable power.

07

Diagnostic Scan

Engine scanned for error codes so small issues are caught early.

08

Propeller Hub and Drive

Propeller, hub, and drive system inspected for damage or wear.

09

Throttle Shift and Steering

Throttle, shift, and steering function checked for smooth, safe control.

Ready for the Season

Optimize Performance for the Seasons Ahead

Completing your 20-hour check gives you confidence that your boat is ready for extended use all summer. It is a small service that makes a big difference in long-term ownership.

EfficiencyBetter Fuel Economy

A properly broken-in engine runs efficiently and makes the most of every tank.

PerformanceSmoother Running

Adjustments made early keep your engine running smoothly hour after hour.

LongevityLonger Engine Life

Catching early wear protects internal components for years to come.

ConfidenceStronger Reliability

Head out knowing your boat has been inspected by certified technicians.

Required to maintain warranty compliance byMalibuAxisCrestlinerMercury and many more
New pontoon cruising on the water
20 HoursThe break-in period

Your First 20 Hours

From Delivery Day to Your 20-Hour Check

Enjoy your new boat with confidence. As you approach 20 hours on the engine, book your check so our technicians can set it up for years of reliable performance.

0
DeliveryDay one
5
Break In
10
Break In
15
Break In
20
Your CheckBook service
Book Your 20-Hour Check

Book Your Check

Schedule Your 20-Hour Check

Tell us about your new boat and roughly how many hours are on the engine. Our service team will reach out to confirm your appointment.

20-Hour Service Request

20-Hour Service FAQ

Frequently Asked Questions

Answers to the questions new boat owners ask most about the 20-hour check.Do not see yours? Our team is happy to help.

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What is a 20-hour service?

It is the first major inspection on a new engine, performed after its earliest hours on the water to confirm everything is wearing correctly and operating as the manufacturer intends.

Why are the first 20 hours so important?

During the break-in period, internal components settle into place and experience their highest levels of friction and heat. The 20-hour check catches early issues before they become problems.

Is the 20-hour service required for my warranty?

Malibu, Axis, Crestliner, Mercury, and many other marine brands require this service to maintain warranty compliance. We follow each manufacturer guideline to keep your boat fully protected.

What does the 20-hour service include?

A typical service includes engine oil and filter replacement, gear lube service, a torque check, belt and hose inspection, cooling system review, battery testing, a diagnostic scan, a drive inspection, and a throttle, shift, and steering check.

What happens if I skip the 20-hour check?

Skipping this service can impact performance and may affect long-term engine protection and warranty coverage.

When should I schedule my 20-hour check?

Book your appointment as your engine approaches 20 hours of operation so it can be completed on time.

How do I schedule service?

Call us at (701) 223-9003, email sales@rivercityboats.com, or send a request using the form on this page.