Engine

Video: Take Your Kawasaki Ultra to the Next Level with Unlimited PWC

The Watercraft Journal had the opportunity to partner with Unlimted PWC and JD’s WaterWorld to equip a new Kawasaki Ultra 310 LX-S with a...

Video: Kawi Performance’s New Redesigned Tensioner-Spring Kit for Ultra 300 & 310’s

Kawi Performance out of Long Island, NY offers the only maintenance-free supercharger tensioner assembly on the market- but they couldn’t stop there! Their innovative...

Video: Kawi Performance Supercharger Belt Tensioner Assembly Installation

The Watercraft Journal is always reviewing the latest in PWC performance and innovation, so it came as no surprise when they teamed up with...

Gallery: Installing KSpeed’s Kawasaki Ultra Atmospheric Trumpet (Video)

We previously published an article about KSpeed’s Kawasaki Ultra Atmospheric Trumpet and ever since then, we have received numerous emails and messages asking us...

Gallery: The Ultimate Oil Change Tutorial For 2022-up Kawasaki Ultra 310’s (Video)

The following procedure has been adapted from the official factory method outlined in the OEM Shop Manual for the 2022 Kawasaki Ultra 310. The...

Video: RIVA Racing Rolls Out 2 New Supercharger Impellers For Yamaha SVHO; New XX-Charger Kit

Generating the levels of boost necessary to propel today's race-level, hyper-competitive machines takes a degree of mechanical understanding and a level of precision that...

Gallery: Safe & Smart Steps for Proper Personal Watercraft Engine Break-in

When you purchase a new personal watercraft, one of the first things you have to do is a proper engine break-in. Now there is...

Yamaha Joins Kawasaki Effort To Develop Hydrogen Engines

In what appears to be an ever-increasing pace, engine manufacturers around the world are pursuing a range of strategies to produce low and zero...

Gallery: The First 3 Mods That Every 2021 Sea-Doo RXP-X 300 Should Get (Video)

It makes sense for manufacturers to design and build a powerplant that can (and often will) surpass the expectations of the general riding public....

Video: Top Speed Results on GreenHulk ’21 RXP-X 300 Stage 1 Kit

Initially, we had some complications trying to get speed results from the 2021 Sea-Doo RXP-X Stage 1 kit; blowing a cooling line on test day...

The Incredible Hulk: Behind The Man Behind The Industry’s Most Successful Forum

My friendship with Jerry Gaddis all started with a friendly email warning me that I had really screwed up. In the final months before...

The Return of The King: Introducing The 2017 Kawasaki SX-R JetSki

Before going forward, let's take a minute and look back at how we got here, shall we? Just two years shy of the Kawasaki JetSki's...

Video: Kawasaki Teases All-New 4-Stroke 2017 SX-R Standup

OK, ladies and gentlemen. Here is the biggest news to hit the personal watercraft industry since, well...ever. Kawasaki, the company who first introduced the...

Debunking Myths & Better Understanding Sea-Doo’s Carbon Ring Seal

The haters. Oh boy, the haters. If the internet has taught us one thing, it's that people sure love to dump on stuff. For...

Gallery: Introducing The 2016 Yamaha WaveRunner Lineup

The 2016 model year marks three consecutive years where the Yamaha Motor Corporation has dramatically raised the bar. In 2014, Yamaha's Super High Output...

Yamaha Caught Testing JetFish WaveRunner Center Console PWC

For those of you already subscribing to The Watercraft Journal, you're already familiar with Yamaha's far-afield-of-normal open-bow, center console WaveRunner. What we originally deemed as...