How do I identify a Yamaha outboard motor?

How do I identify a Yamaha outboard motor?

Fortunately, Yamaha has made it easy to identify this information. Yamaha outboards manufactured between 1984-2004: you must first locate the Model Number located on a label on the outboard’s transom bracket. The top number is the model number. What you are looking for is the last letter in that model number.

What does XB mean in Yamaha?

Digital Outboards. Most of the boats sold by Jones Brothers have both mechanical (XB) and digital (XCA) engine purchase options. The Yamaha mechanical XB outboards use an older technology utilizing physical throttle control cables and are somewhat less expensive than the digital models.

Are 2-stroke outboards better than 4-stroke?

Because a 2-stroke engine only uses two piston strokes to generate one revolution of crankshaft power, it generates much more power than a 4-stroke engine of the same horsepower. This gives 2-strokes better top-end speed and acceleration. 2-stroke outboards are ideal for use on smaller boats.

What kind of motor does a Yamaha f115jb have?

LIGHTER WEIGHT & COMPACT At 377 pounds, the new F115B is 24 pounds lighter than the previous .. Motor Specifications Engine Type: Yamaha F115JB Jet Four Stroke Horsepower: 115 hp .. Motor Specifications Engine Type: Yamaha LF115XB Four Stroke Horsepower: 115 hp ..

What is variable trolling on a Yamaha F115?

Variable Trolling The F115, F90 and F75 feature Yamaha’s Variable Trolling RPM Switch (VTS®). This allows for precision adjustment of trolling speeds in 50-RPM increments, from 650 to 900 RPM for the 115 hp, and 550 to 1000 RPM for the 90 and 75 hp. It even allows for sub-idle trolling.

What kind of motor does a Yamaha 115 hp outboard use?

Midrange Four Strokes. 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.

How many valves per cylinder does a Yamaha F90 have?

At the same time, four valves per cylinder means great engine combustion, which contributes to horsepower, torque and fuel efficiency. The F90 and F75 have stepped up to 1.8-liter displacement, joining their F115 big bro. Meanwhile the 90 hp and 75 hp have both dropped 13 pounds.