A storm is coming. Introducing the all-new Malibu Monsoon™ M5, M6 & LT4 engines.

These engines are the ultimate representation of Malibu's leadership in high-performance towboats. They are technological marvels that seamlessly incorporate all of the latest research, design, and engineering developments from the labs at Malibu Boats. 

Get ready to experience power, torque, efficiency and performance unlike anything else you have seen before. 

Get ready for Monsoon Season.

Monsoon M5 Engine my26 side view

5.3L Direct Injected
TORQUE - 400 FT-LBS @ 3800 rpm
POWER - 360 HP @ 5600 rpm

MALIBU MONSOON M5

Dependable power with new MEFI system. Eye-catching new engine shroud with bold Monsoon branding. Easy winterization with all drains in single location. Confidently delivers Malibu's world-famous wakes without breaking a sweat. Reliable and efficient.

Monsoon M6 my26 side view

6.2L Direct Injected
TORQUE - 460 FT-LBS @ 3800 rpm
POWER - 430 HP @ 5600 rpm

MALIBU MONSOON M6

Unbeatable power and value. Also includes the new MEFI system. All-new engine shroud with bold Monsoon branding. Easy winterization with all drains in single location. Designed to offer the perfect price to performance ratio. Effortless wake creation and performance suitable for all surf scenarios. Ultimate reliability.

The All-New 652HP Supercharged LT4

The most powerful towboat engine ever built!

Our Next Generation Engines

The new supercharged LT4 is designed to deliver spectacular wake performance and the kind of unforgettable ride experiences that constantly reinforce why Malibu Boats is the industry leader in towboat performance.
Malibu Monsoon supercharger LT4 by Malibu and GM Marine

Smooth and Reliable

"The new LT4 is mated to a brand new transmission by ZF, a global leader in transmission manufacturing. The new transmission brings guaranteed reliability and unbeatably smooth power delivery to the LT4's unmatched muscle."

MONSOON Charge Air Cooler

"Features a MONSOON Charge Air Cooler<\/span> custom-developed in-house at Malibu for increased power, improved reliability and consistent performance in all conditions using raw water."

Why FEAD®

"The custom cast, patent-pending front-end accessory drive (FEAD) features a fully integrated cooling system where engine oil fluid temperatures are controlled in a single integrated system that uses an environmentally friendly coolant instead of raw water."

Powered by Official World Games Towboat

"Thanks to a close partnership with GM Marine and following the strictest industry standards, the Malibu Monsoon™ engines are produced in Malibu's new state-of-the-art engine facility located adjacent to the boat production facility in Tennessee where every boat and engine are water tested."
Monsoon Supercharged LT4 Engine, top view

Powered By GM® Marine 6.2L Direct Injected
TORQUE - 670 FT-LBS @ 3800 rpm
POWER - 652 HP @ 5600 rpm

MALIBU MONSOON LT4™

Designed to deliver torque at low RPMS, the all-new Malibu Monsoon LT4™ brings you all the power you need for a full day on the water you can rely on.

Built by boaters for boaters, we continue to build the towboats most reliable engine. The Next Generation of Monsoon

In Partnership with GM Marine®

Advanced MEFI 7 Engine Control Module

The all-new MEFI 7 system is built on GM’s latest-generation E92 Engine Control Module—an advanced controller used across multiple GM vehicle platforms. Far more than just a fuel injection unit, this ECM delivers full engine management capability, including precise torque control, advanced diagnostics, knock control, and integrated cruise strategies. Developed in collaboration with Malibu Monsoon Powertrain Engineering, the MEFI 7 is tailored specifically for the unique demands of tow sports applications, featuring tight integration with Malibu Setpoint Control for smooth and responsive cruise performance on the water.

Refined by Malibu

Front-end accessory drive - [FEAD]

The custom cast, patent-pending front-end accessory drive (FEAD) features a fully integrated cooling system where engine oil fluid temperatures are controlled in a single integrated system that uses an environmentally friendly coolant instead of raw water.

Easy-to-find drain plugs all in one place

Easy Winterization & Serviceability

All three engines now feature vastly improved winterization capability, with each engine's winterization drains now all located in one easy-to-access location. This drain arrangement makes servicing and winterizing your Monsoon engine faster and easier than ever before - whether it is done by your dealer or by yourself. That means that at the end of the season, your boat gets out of storage and on to the water faster than ever before.

Get Out On The WaterSchedule A Demo

The Axis Wake experience is something you need to see to believe. Contact your local dealer to dip your toes into our world-class wakes – you won’t be disappointed.

Boat With Confidence

Axis 5-Year Warranty

Boat With Confidence

At Axis, we back our boats as strong as we build them with an industry-best, five full years of factory warranty*. From bow to stern, we stand proudly behind every boat we build so you can rest assured that you’re covered!

Learn More

Cruise into our Archives

Check out our comprehensive Monsoon engine video archives: Find out about the development of the Monsoon engines and all of the innovations that have made Monsoon engines so famous.

Built To Be Green.

A five-star rating may sound similar to the more familiar four-star rating, but it’s very different.

Built For Reliability.

Malibu Monsoon™ Engines were designed to make sure engine issues never cut into your time on the water.

Built for Conversations.

We designed Malibu Monsoon™ engines to be quiet so you can have full conversations while running on the water.

Engines Built For Power.

It’s not the size of your engine, it’s the amount of torque you’re cranking out that really matters.

MALIBU MONSOON™ ENGINES ARE PROVEN

Malibu Monsoon™ Engines; M6Di; Side-View

MALIBU MONSOON™ ENGINES ARE PROVENEngines Built With Unrivaled Quality

We launched our engines over 5 years ago. See how we shook the industry by innovating our very own M5Di and M6Di direct injection engines. Only available in a Malibu, Axis or Cobalt boat.

Ready to Go All Out?

Contact your local dealer to schedule your on-the-water demo & join the Axis Wake Movement. You’ll be glad you did.