Mercury – 100 Hour Maintenance Kit | Routine Service | 8M0232733

Overview
This kit’s meant to make the 100-hour service a quick, no-nonsense job. Everything you need is already in one box, which saves a lot of back-and-forth when you’re trying to get the motor ready for another stretch on the water. These 40–60 horsepower FourStroke EFI engines run smoother when they’re serviced on time, and this takes care of the basics. Nothing complicated—just routine work that keeps the engine behaving the way it should.

Key Features
 • Complete Service Package – The core pieces you need for a normal 100-hour service.
 • Oil Filter – Keeps the oil clean and flowing steady.
 • Low-Pressure Fuel Filter – Grabs debris early in the line.
 • High-Pressure Fuel Filter – Protects the injectors from fine debris.
 • Oil Drain Seal – Helps keep the oil change tidy.
 • Gearcase Seals (2) – Keeps water from creeping into the lower unit.
 • Mercury-Grade Filtration – Tough housings with dense filter media built for real use on the water.

Engine & Boat Compatibility
 • Mercury 40–60 Horsepower FourStroke EFI
 • Serial number 1C000001 and higher

Performance & Practical Benefits
Right after the service, the engine usually finds its rhythm again. Idle gets steadier, throttle feels cleaner, and the whole thing sounds a little more settled. When filters start aging, these motors can get picky—hesitation, soft starts, little quirks like that—so swapping everything out clears those up before they become headaches. It’s simple upkeep, but it keeps the boat feeling reliable when you push off for the day.

Why Buy OEM
OEM parts fit the way Mercury built the engine, so nothing fights you during installation. The materials hold up, the seals sit right, and the engine doesn’t start throwing odd behavior at you later. Most boat owners stick with OEM because it keeps things predictable.

FAQ
Q1: How do I know it’s time to use this kit?
A: If you’re around the 100-hour mark or heading into a new season, it’s due. Rough idle or slow starts can be an early warning too.

Q2: Do I need to reset anything after doing the service?
A: Nope—just note the hours so you remember when the next one’s coming.

Q3: Is this kit alright for saltwater boats?
A: Yes. Just stay on schedule since saltwater wears things faster.

Q4: Anything to keep an eye on while installing?
A: Old seals like to cling on. Make sure every last bit is removed before installing the new ones.

Q5: What usually happens when these filters get tired?
A: Hesitation, uneven idle, and the engine taking longer to start—small stuff that adds up.

• Supersessions
  8M0090558