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Kawasaki Jet Ski® STX®-15F
by Stephen, September 8, 2008
Good machine overall (for the 30 hours I ridden it it darn well should be) but could use a trim feature. I miss wheelies. It jumps a wake or ocean wave very well and you can acquire some serious air. Handles like a lighter machine but has better stability in ocean conditions. Takes a pounding with the only thing coming loose so far on mine is the rubber under the first muffler. Fuel economy is poor burning about 10 GPH (WOT), however running at 45-50mph it is much lower. People will tell you how fuel efficent 4 stroke PWCs are and it is BS. If you intend to play you are going to pay for the fuel. Long rides require extra fuel to be stored in the forward storage area (3-4 gallons). Compared to say a 215hp Seadoo RXP it is 10mph slower, it burns less fuel, and it is more nimble doing spin outs. At 50mph cruising the fuel burn is close to but slightly better than the RXP as it is hardly working. A 40 mile radius seems a wise one when no refueling is available leaving ample reserve. The fuel indicator is inaccurate in rough seas showing a fuel low warning before it is actually to the 3-4 gallon remaining state.Finding calm water and waiting for a few minutes shows 4 bars instead of 1. Better this way than the reverse. The oil filter is hard to get at on the 15F and the oil needs to be sucked out through the dip stick. Storage area is very good and the flushing system works very well indeed. For the price difference between a similar performing Seadoo or Waverunner (all things averaged) this one is a better choice. Luggage tiedowns are handy and the aft tow hook pulls most anything you'd like from a 3 person tube to a water skier. As for maintenance costs expect little, you won't be held hostage by the seadoo computer BUDS when the seadoo computer memory shits the bed. You won't be dumping 2 stroke Yamaha power valves into pistons either. The lake will also have no oil/fuel slicks around your 4 stroke machine. Because the pump has no anode or corrosion protective coating as does Seadoo the machine requires careful flushing and should not be left in fresh water over the summer. Buying in the USA as a Canadian will save substantial money but unlike Seadoo, USA Kawasaki dealers are not restricted by the manufacturer not to sell to Canadians. Finally, I've beat the machine hard and never found water in the hull or air box, however residual salt water will find its way into the engine bay/hull so it should be rinsed off after ever use internally and drained out the back plugs then left to dry with the seats off if possible.
Upgrades/Accessories
Kawasaki cover. Better than after market units having a venturi suck down feature which prevents buffeting at highway speeds. It requires no straps to stay attached.
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