2010 Kawasaki Jet Ski 800 SX-R Review

Old-school meets new in versatile stand-up PWC

Story by Jeff Hemmel, Photography by Kawasaki, Apr. 30, 2010
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To say Kawasakiís latest 800 SX-R stand-up Jet Ski is little different than the companyís original 1973 JS400 is to tell an undeniable truth ó as well as one big lie ó all at the same time.

Yes, the craft shares the originalís same basic form factor, and requires a healthy sense of balance, some athletic skill, and the willingness to practice, practice, practice if you ever hope to master it. But much has changed over the last 37 years. Not only has the stand-up Jet Ski grown more powerful and more agile, itís also grown far easier to ride.

So why donít more people ride them? Evidently we like taking the easy way out. I say buck the trend. Get on a stand-up this summer and see what youíve been missing.

2010 Kawasaki Jet Ski 800 SX-R

The Nitty Gritty

A 781cc two-stroke Twin powers the SX-R to a top speed of around 48 mph.

If my memory serves right, the original Jet Ski had a 396cc Twin, two-stroke engine that produced 27 hp. Todayís 800 SX-R still features a Twin, two-stroke, but its 781cc engine now boasts about triple the power. Hit the throttle and youíll leap out of the hole; carve a corner and the low-end punch will pull you through with authority. Top speed? Around 48 mph.

That may be slow by the standard of todayís 65 mph couches, but trust me, itís probably the most fun 48 mph youíve ever experienced. Besides, riding a stand-up isnít about straight-line speed, itís about carving and cornering, things the 800 SX-R does exceptionally well. Kawasaki tweaked the design several years back to provide a unique balance of stability and cornering ability. Much of that stability comes from size. Todayís Jet Ski is much bulkier the original. But clever hull design is the key to most of the improvement.

Apart from style factors, the biggest change is that the hull sides feature an outward flare toward the bow, lines which then slim as you follow aft. This gives the boat more wetted surface, increases its stability, and positions the bow slightly deeper in the water. The end result is a boat that is easier than ever for beginners to learn on, but one that skilled riders can now push to new limits. It carves beautifully through turns, and literally slices and dices up a buoy course.

Stand-up skis carve the water like no runabout ever could.

Yes, that familiar inside lean remains from the original. But now, instead of the stern having a tendency to slide, the hull offers an almost locked-to-the-water feel. Other benefits to the design are reduced porpoising under acceleration, and a better presence in rough water.

Training Wheels

Kawasaki also made the 800 SX-R easier for beginners by modifying the upper deck. The tray area has been widened by slimming down the gunwales. That makes it easier to haul yourself aboard the craft when starting, but also allows a broader stance to establish your balance when up and underway. Padding is prevalent on the gunwales, tray, and handlepole end to prevent bumps and bruises. That handlepole is also spring-loaded to lessen rider fatigue.

Iíve already noted the 800 SX-R is far from a couch, so donít expect the latterís cushy amenities. Thereís no gauges, no frills, and no extras. In todayís designs, thereís not even really any storage. These are machines designed for one purpose ó riding. You stand on a padded tray, you lift the handlepole and you squeeze the trigger throttle. And away you go.

You do get a freshwater flush fitting for end-of-day maintenance. And you also get one thing thatís sorely missing in todayís big-boat market ó a boat that doesnít require a trailer. A couple friends can still lift an 800 SX-R into the back of a pickup (although at nearly 400 pounds, itís not quite as light as the original!), as well as carry it to the water.

In short, what you get is just simple, no-frills fun. And that is the essence of the Jet Ski.

You wonít find any complex gauges or other componentry, but the 800 SX-R offers about as much fun as you can have on the water.

2010 Kawasaki Jet Ski 800 SX-R Specs
Length 90.6 inches
Beam 28.7 inches
Curb Weight 396.9 lbs
Engine Two-cylinder two-stroke w/crankcase reed
Displacement 781 cc
Bore and Stroke 82mm x 74mm
Compression Ratio 7.2:1
Rated Horsepower NA
Fuel Capacity 4.5 gal.
Combined Stowage Capacity -
Colors Ebony/Lime Green
Price $7,299

Related Reading
2009 Kawasaki Jet Ski 800 SX-R Review
2009 Yamaha SuperJet Review
All Things Kawasaki on PersonalWatercraft.com

 
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