PRICING
The Yamaha’s Superjet is not the cheapest “stand up” jet ski, nor the most expensive at $6,499 MSRP, sitting near the lower end of the budget range with the Kawasaki 800SX-R that is priced at $5,995 MSRP. At the top sits the Hydrospace S4 at a staggering $12,995. The difference becomes visible in the physical make-up and attributes of the watercrafts.
POWER
The Yamaha Superjet pumps out 73 bhp, which rides just below the Kawasaki 800SX-R reporting 80 bhp at 6,250 rpm, which provides both ski’s with excellent acceleration. The Hydrospace pumps an incredible 110 bhp in comparison, hence the price tag.
HULL
The Yamaha Superjet hull is by far the smallest in the range, providing excellent manoeuvrability for the rider, measuring 88.2 ins in length and 26.8 ins in width. It competitors boast larger hulls, which provide good stability and support for the rider. The Hydrospace’s hull measures 90.1 ins in length and 29.1 ins in width, and the Kawasaki 800 SX-R comes in at a slightly larger 90.6 ins in length and 28.7 ins in width.
WEIGHT
At just 291 lbs in weight the Yamaha Superjet is the lightest PWC in the stand up class, this could be a racers dream with its smaller hull. The heaviest jet ski is the Hydrospace S4 at 370 lbs followed by the Kawasaki SX-R at 351 lbs.
* Perfectly balanced for hard cornering and wide-open straight-aways, the newly designed SuperJet hull features molded-in sponsons positioned forward on the craft that increase the wetted surface area of the hull. This allows the craft to turn easier while making the SuperJet more stable for novice and intermediate level riders.
The Powerplant
* The SuperJet™ is powered by a high-performance, two-cylinder, 701cc Yamaha marine engine. Two 38mm Mikuni carburetors feed this world-class powerplant, providing excellent throttle response throughout the total RPM range.
* Yamaha Loop-charged Combustion: Fuel mixture actually loops as it enters the combustion chamber, which helps distribute fuel/air mixture evenly for better combustion, performance and fuel economy.
* Corrosion Protection System: Sacrificial zinc anodes protect the engine from harmful galvanic corrosion. Stainless steel fasteners (nuts, bolts, hardware) provide a long service life. Cylinders, cases and heads are all treated with a durable oxide coating to form a barrier between corrosion and expensive engine parts.
* Electronically Controlled, Variable Ignition Timing: For exact ignition advance control at all throttle positions and RPMs.
The Jet Pump Propulsion System
* The SuperJet 144mm Hyper-Flow jet pump propulsion system : The new three-blade stainless steel progressive pitch impeller is designed to maximize water flow for high performance. The SuperJet pump configuration provides excellent hook-up and smooth acceleration.
* Stainless Steel Impeller Housing Liner: For high durability, the liner maintains accurate clearance tolerances between the impeller and the housing.
* High Flow Intake Duct and Grate: The dynamic shape of these items directs water flow into the pump for better thrust, performance and hook-up.
* Pumps are Manufactured with YDC30: A combination of zinc and copper alloys, developed by Yamaha marine engineers, that offers excellent corrosion protection.
The Hull and Deck
* Perfectly balanced for hard cornering and wide-open straight-aways, the newly designed SuperJet hull features molded-in sponsons positioned forward on the craft that increase the wetted surface area of the hull. This allows the craft to turn easier while making the SuperJet more stable for novice and intermediate level riders.
* High-performance, Concave Hull: The lightweight, concave hull design of the SuperJet provides superior grip and agility on the tight turns and allows a true feeling of adhesion to the water's surface.
* Environmentally-minded Innovations: By employing proven technologies, Yamaha delivers significant reductions in noise levels without compromising performance and reliability. These technologies include:
* Yamaha Sound Suppression System: This system of integrated noise reduction components targets the three common types of noise: 1.) intake noise, 2.) exhaust noise and 3.) noise from vibration.
Additional Features:
* Oval-shaped Handlepole: This handlepole design is 40 percent lighter and 50 percent stronger than conventional handlepoles and its high pivot position gives the rider more leverage for easier transitions and turning.
* Corrosion Resistant Coil Spring: Makes the handlepole feel lighter for optimal control and reduces rider fatigue.
* Thickly Padded Ride Tray: Padding is provided on the deck, gunwales and handlepole for a more comfortable ride.
* Kick Step: Provides riders with a slip resistant surface and added balance.
* Automatic Bilge System: Removes water from the engine compartment.
* Transom Exhaust System: Adds performance while reducing noise levels.
* Adjustable Steering System: Allows the rider to adjust the steering nozzle angle and turning performance.
* Yamaha's Trademarked Visibility Spout®: A waterspout from the rear of the craft that improves the craft’s conspicuity.
Technical Specification
| Name | Yamaha Superjet |
| Model | SuperJet™ |
| Engine | 2-cylinder- 2-stroke- water-cooled |
| Displacement | 701 cc |
| Bore * Stroke | 81 x 68 mm |
| Compression Ratio | 7.2:1 |
| Carburetion | (2) Mikuni Super BN 38 |
| Ignition | CDI with 15° BTDC - 21° BTDC timing |
| Height | 26 in. |
| Length | 88.2 in. |
| Width | 26.8 in. |
| Dry Weight | 291 lbs. |
| Seat Length | |
| Seating | |
| Fuel Capacity | 4.8 gal. |
| Hull | Material: SMC (Sheet Molded Compound) |
| Storage | |
| Impeller | 3-blade- aluminum (13 / 16 pitch) |
| Propulsion System | |
| Horse Power | 73 hp |
| Thrust | |
| Pump | 144 mm- axial flow |
| Intake | Reed valve |
| Battery | |
| Starter | Electric |
| Lubrication | Pre-mixed oil & gas (50:1) |
| Transmission | Direct drive from engine |
| M.S.R.P | $6-499.00 |
