Yamaha Outboards

3 Rivers Marine is the Seattle Metro area’s #1 Yamaha dealer. Now that’s saying something!

3 Rivers Marine is the leading authorized Yamaha sales and service center in the Seattle area. Our sales team is ready to help you outfit your vessel with the perfect outboards. The 3RM Service Center is dedicated to helping you keep your Yamaha motor in great working order, from basic maintenance to warranty repairs. Our experienced team of factory certified Yamaha technicians can tackle any project, whether it be basic engine services like a simple tune up to the bigger tasks like a complete engine rebuild.

Yamaha outboards are legendary for their reliability, performance and innovation. With over 30 years in the marine industry, their commitment to engineering the best motors in the business. Yamaha’s extensive line-up offers an outboard to meet any need.

Yamaha Offshore

Yamaha’s Offshore F300, F250 and F225 are excellent options for big boat applications. Considering that they are lightweight, extremely reliable and offer great fuel efficiency, they are our top choice when outfitting our larger saltwater vessels.

Yamaha V Max SHO

The VMAX SHO series offers the quick hole shot and acceleration needed for 2-stroke applications, but the quiet operation and fuel efficiency that Yamaha 4-strokes are famous for. A popular choice for main power on 21 to 25 foot shallow draft boats. Available in 115hp to 250hp.

In-line Four

These reliable four strokes offer great versatility with Yamaha’s reliability and convenience. Each model features a compact, lightweight inline four cylinder block. Overall these outboards are some of the most compact, lightweight, clean burning, and most quiet four strokes on the market. Available in F115, F150, F175 and F200.


Yamaha has a solution for every midrange power application. Coveted for their light weight, fuel efficiency and reliability. Available in F25, F40, F50, F60, F70, F75 and F90.

Portable Outboards

If you are looking to power a small jon boat, a canoe or an inflatable, the Yamaha portables are a perfect choice. These lightweight and easy to carry outboards are available from F2.5 up to F20.

High Thrust

Yamaha has designed this series to offer up to double the thrust of a comparable horsepower outboard. A high ratio gear case matched with a large diameter, low pitch prop gives you more push and more bite. Great for trolling and kicker applications. Available in T9.9, T25, T50 and T60.

Jet Drive

Fuel injected four stroke outboards that are compact, quiet and smooth running. Propeller free and powerful, these jet drives can get you through the skinniest water. Available in F40, F60, F90, F115 and F150.

Yamaha 25LA

The largest of the Yamaha two cylinder models is now so light, it’s portable. Weighing less than126 pounds, the all-new F25 is 25 percent lighter than its predecessor and comes packed with powerful benefits like never before
Best power-to-weight ratio of all 25s
No-battery-required Electronic Fuel Injection
All-new two-cylinder powerhead that’s all Yamaha PULL START through cowling standard on all ELECTRIC START models (except F25LC)
VTSTM – Variable Trolling rpm Switch can troll slower than standard in-gear idle for better fishing (VTS switch is standard equipment on F25C Tiller Handle models)

Yamaha F115LB

At just 377 pounds dry weight, its 1.8 liter,four-valve-per-cylinder design means easy breathing, for strong power and spirited performance.
Multi-point Electronic Fuel Injection and a single-throttle valve, Long-Track Induction System combine with a 32-bit TCI Micro-computer Ignition System to make lots of smooth, reliable power at peak fuel efficiency.
YDC-30 alloy and Yamaha’s exclusive Phaze Five™ Paint System, which includes an electro-deposited paint process on the powerhead and exhaust components, works in concert with an array of on-engine sacrificial anodes to help keep your outboard protected from the effects of corrosion.

Yamaha F40LEHA

Yamaha’s 747cc, SOHC, in-line three-cylinder design features advanced electronic fuel injection for the perfect blend of power and fuel efficiency for a wide range of today’s modern boat designs, and it can be fitted with Yamaha’s award-winning Multi-function Tiller Handle
SOHC design, composite long-track induction system and proprietary YDC-30 aluminum alloy produce a 30 or 40 horsepower four-stroke outboard that is both light and compact
Exclusive Phaze Five™ paint system, proprietary YDC-30 aluminum alloy, stainless steel drive, prop, and shift shafts, and a built-in fresh water flush equal outstanding corrosion resistance



Yamaha F50LB

Yamaha’s 1.0 liter, SOHC, four-cylinder in-line design provides ample power for a wide range of today’s modern boat designs, and can be fitted with Yamaha’s award-winning Multifunction Tiller Handle
SOHC design and proprietary YDC-30 aluminum alloy producea four-stroke outboard that is both light and compact
Electronic multi-point fuel injection and 32-bit TCI microcomputer ignition system work in concert to help ensure maximum power and fuel efficiency

Yamaha LF115XB

The Yamaha 115 hp and the all-new 90 hp and 75 hp Midrange four strokes are reliable inshore performers. Fast and powerful, they sport 1.8-liter displacement and DOHC or SOHC designs with four valves per cylinder. This gives them exceptional volumetric efficiency and lighter weights. With 25-inch shaft options for the F115 and F90, this horsepower range offers prime power for mid-size craft, including anglers trolling large, rough water in 25-inch-transom multi-species boats. The completely surprising Yamaha Midrange 115, 90 and 75 hp four strokes. A powerful part of our lineup—and your boating experience.

Yamaha T9.9XPHB

 Yamaha’s High Thrust design features a larger lower unit with a substantially higher gear ratio. When combined with our standard Dual Thrust propeller, the T9.9 provides incredible power and control for moving heavier boats.
Yamaha’s T9.9 offers immense thrust in a portable package. A re-designed intake system allows for a compact and low-mounted powerhead, while built-in carrying grips add convenience.
Among the most fuel-efficient in its class, provided in part by a single carburetor and a CDI micro-computer ignition system.