Yamaha SuperJet

Yamaha SuperJet
Manufacturer Yamaha Motor Corporation
Also called SuperJet, 701, Square nose (SN), Round nose (RN)
Production 1990 - present
Class Personal watercraft
Engine
  • Two stroke:
  • 650cc I2 single carb - 50hp (SJ650D)
  • 701cc I2 single carb - 63hp (SJ700S)
  • 701cc I2 dual carb - 73hp (SJ700A)
Bore / stroke 81 mm × 68 mm (3.19 in × 2.68 in) (SJ700A)
Dimensions L: 88.2 in (2,240 mm) (SJ700A)
W: 26.8 in (681 mm) (SJ700A)
H: 26.0 in (660 mm) (SJ700A)
Weight 291 lb (132 kg) (SJ700A) (dry)
Fuel capacity 4.8 U.S. gallons (4 imp gal; 18 L), including 1.5 U.S. gallons (1 imp gal; 6 L) reserve. (SJ700A)
Oil capacity N/A, 50:1 fuel to oil pre-mix ratio
Fuel consumption 7.7 U.S.gal/hr max (SJ700A)

The SuperJet is a personal watercraft (PWC) made by Yamaha Motor Corporation. The SuperJet is a "stand-up" PWC. Credit for its design is given to Clayton Jacobson II. Part of Yamaha's WaveRunner line of watercraft, it was introduced in 1990 and has become one of the most popular stand-up personal watercraft in history.

Body - SMC (sheet molded compound)

SuperJet 1990-1993 (SJ650D)[Generation 1]

Engine Displacement (cc) / Engine HP : 633 cc / 50 hp, (6M6 cases, 6M6 cylinder)

Common name- squarenose
50:1 oil premixed fuel
Single mikuni 44mm carburetor
Length- 7.17 feet 
Width- 28 inches
Weight- 287 pounds (dry)
Top Speed- 38 mph (stock)

SuperJet 1994-1995 (SJ700S)[Generation 1-Bigger Engine)


Body - squarenose top deck, standard SuperJet bottom

Motor:

 Common name- 701
 Displacement- 701 cc (61X cylinder, 61X cases)
 HP 63
 Premix 50:1
 Single Carb (Mikuni Super BN44)
 Top Speed (Stock)- 42 mph
 Weight- 298 pounds (dry)

SuperJet 1996-2007 (SJ700A)[Generation 2]

2000 superjet

Body - New "round nose" top deck, same "square nose" SuperJet bottom deck

Motor

 Common name: 701 or round nose (RN)
 Displacement: 701cc (61X cylinder, 62T cases)
 Bore x stroke: 81 x 68mm
 Compression ratio: 7.2:1
 HP: 73 @6300rpm
 Dual carb (Mikuni SBN38) with reed valves
 Premix: 50:1
 Fuel capacity (gal): 4.8 total, with 1.5 reserve
 Max fuel consumption (US gal/h): 7.7
 Range at full throttle: 0.6 hrs

Chassis

 Length (in): 88.2
 Width (in): 26.8
 Height (in): 26.0
 Weight, dry (lb): 291
 Max speed (mph): 45.4

SuperJet 2008-2014 (SJXXXX)[Generation 2- Upgraded]

2008 Superjet

Body - Roundnose top deck, new SuperJet bottom deck 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.

2014 SuperJet is back in black again, this time with additional blue graphics.

Motor

 Common name 701 or round nose
 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

See also

External links