Superjet
Encyclopedia
Action Shot of Yamaha Superjet |
|
| Common Name(s): | Superjet; Squarenose; Roundnose; 701 |
|---|---|
| Manufacturer: | Yamaha Motor |
| Engine Type: | Two Stroke |
| Years Into Production: | 1990-Current |
| Horsepower: | 73 hp Horsepower Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the... |
| Displacement: | 701cc Engine displacement Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top dead centre to bottom dead centre . It is commonly specified in cubic centimeters , litres , or cubic inches... |
| Type of Lubrication: | Premixed Oil & Gas |
| Mixing Ratio: | 50:1 |
| Spark Plug: | BR8HS for stock head BR8ES for ADA head Spark plug A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed fuels such as aerosol, gasoline, ethanol, and liquefied petroleum gas by means of an electric spark.Spark plugs have an insulated central electrode which is connected by... |
| Length: | 88.2" |
| Width: | 26.8" |
| Height: | 26" |
The Superjet is a personal watercraft (PWC) made by Yamaha Motor Corporation. The Superjet is a "stand-up
Stand-up PWC
Stand-up PWC are a type of personal watercraft available since the 1970s. They have a pivoting handlepole and standing tray area that requires the operator to stand while riding instead of sitting. This is in contrast to the more frequently seen "sit-down" type of PWC. Both these terms are...
" PWC. Credit for its design is given to Clayton Jacobsen II. Part of their WaveRunner
WaveRunner
WaveRunner is a trademarked name and type of personal water craft produced by the Yamaha Motor Company. Unique to the WaveRunner among PWCs is the spout of water that shoots into the air from the rear of the vehicle....
line of watercraft, it was introduced in 1990 and has become one of the most popular personal watercraft in history. The latest 2010 Yamaha Superjet is ridden by the professional freerider Ross Champion.It is common to see the Yamaha Superjet flying high doing the back flip or barrel roll.Riding the Superjet surf style is now a lost art as there is no progression in this area at competition level.
Body - roundnose top deck, standard Superjet bottom
Motor
Common name 701
Displacement 701cc
HP 49 Premix 50:1
Double carb (Mikuni Super BN44)
Superjet 1994-1995 (SJ700S)
Body - Squarenose top deck, standard Superjet bottomMotor
Common name 701
Displacement 701 cc (61X cylinder, 61x cases)
HP 63
Premix 50:1
Single carb (Mikuni Super BN44)
Superjet 1996-2007 (SJ700A)
Motor
Common name 701 or 501
Displacement 701 cc (61X cylinder, 62T cases)
HP 73
Premix 50:1
Dual carb (Mikuni SBN38)
Superjet 2008-2010 (SJXXXX)
The new bottom hull has incorporated side sponsons (similar to adding "blowsion tubbies") into the hull and the rear of the hull is slightly narrower with deeper strakes. The Pump, intake grate and ride plate are all setback 50mm compared to the past Superjets. The pole on the 2008 Superjet is also about 2 inches shorter than previous round nose superjets.
Motor
Common name 701
Displacement 701 cc (61X cylinder, 62T cases)
HP 73
Premix 50:1
Dual carb (Mikuni SBN38)
Current Superjet
The current Superjet (still in production by Yamaha Motor) has been visually the same since 1996. The 2008 model was the first year of a new bottom deck, previously unchanged in the history of the superjet. This watercraft does not meet California or New York emissions standards.Specifications
- Rated Horsepower 74 hp @ 8,300 rpm
- Engine Type 2-Cylinder, 2-Stroke
- Bore/Stroke 81 mm x 68 mm
- Displacement 701 cc
- Fuel Regular Unleaded
- Type of Intake Reed Valve
- Type of Scavenging Loop-Charged
- Type of Exhaust Wet
- Type of Lubrication Pre-Mixed Oil and Gas
- Mixing Ratio 50:1
- Cooling Water
- Starting Electric
- Ignition CDI
- Compression Ratio 7.2:1
- Carburetor/Injection (2) Mikuni Super BN 38
- Spark Advance 6°
- Ignition Timing 15° BTDC - 21° BTDC
- Spark Plug BR7HS
- Pump 144 mm Axial Flow Single Stage
- Transmission Direct Drive From Engine
- Impeller 3-Blade, Stainless Steel (13/16 pitch)
- Length 88.2” (2.25 m)
- Width 26.8” (.68 m)
- Height 26” (.66 m)
- Dry Weight 291 lb (132 kg)
- Fuel Capacity 4.8 gal (18L)
- Reserve Fuel Capacity 1.45 gal (5.5L)
- Oil Capacity Spec Not Available
- Vehicle Capacity 1 person
- Hull Material SMC (Sheet Moulded Compound)
- Warranty 1 year limited warranty
- Color blue w/white graphics