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YamahaGP1200Waverunner 13

The 1997-1999 Yamaha GP1200 Waverunner Review And Specs: A Legendary Powerhouse for Speed Enthusiasts

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Introduction and History

The Yamaha GP1200 waverunner, produced between 1997 and 1999, is one of Yamaha’s most iconic muscle craft. It marked a significant leap forward in performance, styling, and reliability for the personal watercraft (PWC) industry. Designed as a high-performance two-seater, the GP1200 catered to thrill-seekers and competitive riders alike, earning its place as a vintage classic in the jet ski world. Introduced in 1997 as a follow-up to Yamaha’s GP760, the GP1200 brought more power, an aggressive hull design, and cutting-edge features for its time.
 
The GP1200 was Yamaha’s flagship PWC, aimed squarely at adrenaline junkies who wanted exceptional acceleration and high-speed stability. Riders loved its powerful engine, nimble handling, and sleek design, making it a standout in the late 1990s PWC market. Even today, the 1999 Yamaha GP1200 specifications are frequently referenced by enthusiasts, and the model is highly sought after for restorations and modifications. Its cult following is a testament to its timeless appeal.
Yamaha GP1200 Waverunner Profile

Engine Details

The Yamaha GP1200 waverunner was powered by a 1,131cc two-stroke, three-cylinder engine that delivered approximately 135 horsepower, making it one of the most powerful PWCs of its era. This engine utilized Yamaha’s advanced technology to balance raw power with reliability, features that set it apart from competitors like Sea-Doo and Kawasaki. The engine was first used in the GP1200 in 1997 and remained consistent throughout its production run, cementing its reputation for dependability and high performance. Equipped with a triple Mikuni BN44 carburetor setup, the engine provided smooth acceleration and optimal fuel delivery. However, like many two-stroke engines, it required regular maintenance to keep it running at peak performance. The engine’s reputation for durability makes it a popular choice for restoration projects, as parts remain readily available. Many enthusiasts appreciate its simplicity compared to modern four-stroke engines, making it easier to service and modify.
Yamaha GP1200 Waverunner Engine

Primary Specifications and Equipment

The Yamaha GP1200 boasted impressive specs for its time, combining a lightweight design with powerful performance. It was designed to maximize speed and maneuverability without compromising rider comfort. With a top speed of around 62 mph, it was among the fastest PWCs in its class. While storage space was limited, the GP1200 was designed with performance in mind, featuring an ergonomic seat and handlebars for optimal control during aggressive riding. The ski also included a basic instrument panel with speed, tach, fuel and oil indicators, catering to its sporty focus.

Hull Material and Design

The GP1200’s hull was crafted from Yamaha’s proprietary Sheet Molded Compound (SMC), a fiberglass-reinforced plastic known for its strength and lightweight properties. This material allowed Yamaha to build a high-performance hull that could withstand the rigors of aggressive riding while maintaining a relatively low dry weight. The hull’s design was optimized for flat-water speed and handling, making it less ideal for rough water conditions. Its sharp lines and aggressive styling contributed to its popularity among racers. While some riders noted a lack of stability in choppy water, most agreed the GP1200 excelled in smooth conditions, delivering a thrilling experience.

What Riders Are Saying About the Yamaha GP1200

Rider feedback on the Yamaha GP1200 waverunner is overwhelmingly positive, with enthusiasts praising its powerful acceleration, sharp handling, and sleek design. Common highlights include:
  • Pros: Fast acceleration, high top speed, and a lightweight hull for nimble handling.
  • Cons: Limited storage, high fuel consumption, and less stability in rough water.
Many riders consider it a quintessential muscle craft that defined late-90s jet ski performance. However, some beginners found it intimidating due to its power and responsiveness.

Best Accessories Available for the Yamaha GP1200

Enhance your GP1200 with these popular accessories:
  • Riva Racing Intake Grate: Improves handling in rough water.
  • Aftermarket Impeller (e.g., Solas Concord): Boosts acceleration and top speed.
  • Hydro-Turf Mats: Adds grip and comfort.
  • Ride Plate: Enhances stability and performance in various conditions.
  • Bilge Pump Kit: A must-have for safety and water management.

Engine Specifications Table

FeatureDetails
Engine TypeTwo-stroke, 3-cylinder
Horsepower (hp)~135 HP
Top Speed (mph)~62 mph
Displacement (cc)1,131 cc
Cylinder Bore & Stroke (mm)84 x 68 mm
Compression Ratio6.0:1
# of Cylinders3
Cooling SystemWater-Cooled
Fuel System Type3 Mikuni BN44 carburetors
Fuel Minimum Octane Rating87
Fuel Consumption14 gal/hr
Oil Capacity (gal/ liters)1.06 U.S. gal/ 4 liters
Oil Quantity for Change (gal/ liters)1.06 U.S. gal/ 4 liters
Lubrication SystemOil injection
IgnitionDigital CDI
ExhaustWet Exhaust

Yamaha GP1200 Primary Specifications Table

FeatureDetails
Length (“)112.6 inches
Width (“)44.1 inches
Height (“)38.2 inches
Dry Weight (lbs)525 lbs
Load Capacity (lbs)352 lbs
Seating Capacity2
Storage Capacity (lbs)11.4 gal Front Bin
Fuel Tank Capacity (gal)13.2 U.S. gal
Fuel Reserve Size (gal)1.6 U.S. gal
Battery Size/Number12V 19Ah/ YB16CL-B
Towing CapableYes
Hull MaterialSMC
Hull TypeDeep-V
Body/Deck MaterialSMC
Colors AvailableWhite/ Red, White/ Blue, Blue/ White
SponsonsYes
Boarding StepNo
InstrumentationTachometer, Speedometer, Fuel & Oil guage, Clock, Warning Lights
Drive SystemJet propulsion
Trim SystemManual 5 Positions
Rear View MirrorsYes
Original Selling Price~$7,999.00

Service Item Details and Availability Table

ProductOEM Part NumberRecommended Link
Oil Filter6J8-13411-00-00Check Price and Availability
Engine OilYamalube 2WCheck Price and Availability
Spark PlugsBR8HSCheck Price and Availability
BatteryYB16CL-BCheck Price and Availability
Jet Pump Oil/GreaseACC-EPNOC-GS-05Check Price and Availability
Storage CoverOEM or Aftermarket

Check Price and Availability

Check Price and Availability

Traction MatsOEM or AftermarketCheck Price and Availability

Pros and Cons of the Yamaha GP1200

Pros

  • Powerful engine.
  • Lightweight hull.
  • Exceptional performance.

Cons

  • High fuel consumption.
  • Limited storage.
  • Less stable in chop.

Yamaha GP1200 Waverunner Rear Corner

Frequently Asked Questions about the 1997-1999 Yamaha GP1200 (FAQ’s)

  1. What is the top speed of the 1997-1999 Yamaha GP1200 Waverunner? The Yamaha GP1200 Waverunner has a top speed of approximately 62 mph, making it one of the fastest personal watercraft of its time.
  2. How reliable is the Yamaha GP1200 Waverunner engine? The engine is highly regarded for its durability and performance, provided it receives regular maintenance, including fuel system maintenance, carburetor cleaning, and spark plug replacements.
  3. Is the Yamaha GP1200 Waverunner beginner-friendly? While powerful and fun, the Yamaha GP1200 Waverunner is not the best choice for beginners due to its high-speed capabilities and responsive handling.
  4. What type of fuel does the Yamaha GP1200 require? The Yamaha GP1200 Waverunner runs on regular unleaded gasoline with a minimum octane rating of 87.
  5. How is the Yamaha GP1200 Waverunner in rough water conditions? The Yamaha GP1200 Waverunner is best suited for flat or mild chop conditions due to its lightweight hull design, which prioritizes speed over stability in rough water.
  6. What kind of oil does the Yamaha GP1200 Waverunner use? The Yamaha GP1200 Waverunner uses two-stroke marine-grade oil, typically in an oil-injection system, to lubricate the engine effectively.
  7. Can the Yamaha GP1200 Waverunner be used for towing? Yes, the Yamaha GP1200 Waverunner is designed for towing activities like pulling tubes and wakeboarders, it is rated for 2 riders and has rear view mirrors for monitoring rider safety.
  8. What are common maintenance tips for the Yamaha GP1200 Waverunner? Regular maintenance includes inspecting and replacing spark plugs, cleaning the carburetors, checking the impeller and wear ring, and ensuring the oil injection system is functioning properly and not leaking.
  9. What are the most common issues with the Yamaha GP1200 Waverunner? Common issues include carburetor clogging, high fuel consumption, and wear on the impeller or jet pump components over time.
  10. What is the seating capacity of the Yamaha GP1200 Waverunner? The Yamaha GP1200 Waverunner is designed for two riders, with a combined load capacity of approximately 352 lbs.
  11. How much storage space does the Yamaha GP1200 Waverunner have? Storage on the Yamaha GP1200 Waverunner is limited, with just enough room for small items like a tow rope, basic tools, or a dry bag. It has a decent size front storage container, rear storage under the rear seat, and a small glovebox for essentials.
  12. What is the fuel capacity of the Yamaha GP1200 Waverunner? The fuel tank holds 13.2 gallons, including a reserve of 1.6 gallons, which provides a decent range for recreational riding.
  13. What upgrades improve the Yamaha GP1200 Waverunner’s performance? Popular upgrades include aftermarket impellers, intake grates, ride plates, and sponsons, which can enhance speed, handling, and stability.
  14. Is the Yamaha GP1200 Waverunner a good investment as a vintage PWC? Yes, the Yamaha GP1200 Waverunner is a favorite among collectors and restoration enthusiasts due to its classic design and performance capabilities.
  15. What is the resale value of a 1997-1999 Yamaha GP1200 Waverunner? Resale value depends on condition and maintenance but generally ranges from $2,000 to $5,000 for well-maintained models, reflecting its popularity in the vintage jet ski market.
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Competition Comparison

The 1997-1999 Yamaha GP1200 faced stiff competition in the late ’90s, with rival models like the 1999-2000 Sea-Doo GTX and the 1999-2000 Kawasaki Ultra 150 Jetski offering unique features and challenges. Each of these models targeted the high-performance market but approached it differently, giving riders a variety of options to suit their riding style.
 
The 1999-2000 Sea-Doo GTX was a powerhouse in its class, boasting a three-seater design, making it more family-friendly compared to the Yamaha GP1200’s two-seater configuration. Its Rotax 951cc engine, producing up to 130 horsepower, provided smooth and consistent performance. The GTX offered added comfort with a larger, more cushioned seat and additional storage capacity, making it ideal for long rides or carrying extra gear. However, it lacked the sharp handling and aggressive acceleration of the GP1200, which was better suited for adrenaline junkies and aggressive riders. On the other hand, the 1999-2000 Kawasaki Ultra 150 was considered one of the fastest personal watercraft of its time, capable of reaching speeds over 65 mph. Its 145 horsepower engine and lightweight design gave it a distinct edge in speed and agility, often surpassing the GP1200 in straight-line acceleration.
 
The Ultra 150 was notorious for being difficult to control in rough water, as its hull prioritized speed over stability. In contrast, the Yamaha GP1200 struck a balance between speed and handling, giving it a slight edge for riders who preferred versatility and reliability. When comparing build quality, the Yamaha GP1200 excelled in hull durability, with its fiberglass construction proving to be robust over years of use. The GTX’s hull, while strong, added weight, slightly diminishing its top-end performance. Meanwhile, the Ultra 150’s hull design focused more on lightweight materials, leading to occasional structural concerns during high-impact rides. Ultimately, the GP1200 appealed to riders seeking a blend of power, durability, and sharp handling, while the GTX and Ultra 150 catered to more specific preferences like family use or top-speed dominance.
Yamaha GP1200 Waverunner Rear View

Conclusion

The 1997-1999 Yamaha GP1200 Waverunner remains an iconic piece of personal watercraft history, celebrated for its unmatched combination of power, reliability, and sharp handling during its production years. Equipped with a 135-horsepower, 1,131cc two-stroke engine, it delivered thrilling performance that captured the hearts of speed enthusiasts and competitive riders alike. The lightweight fiberglass hull further enhanced its handling, making it equally adept at carving through flat waters and tackling mild chop. Compared to its competition, such as the family-friendly Sea-Doo GTX and the lightning-fast Kawasaki Ultra 150, the GP1200 struck a middle ground that appealed to a broader audience. Its ability to balance performance with durability and versatility ensured its place as a favorite among recreational riders and racers. While other models may have excelled in specific areas, the GP1200’s consistent reliability and responsive ride made it a standout choice during its time.
Even today, the Yamaha GP1200 continues to attract a loyal following among vintage watercraft enthusiasts. Its classic design and high-performance capabilities make it a sought-after model for restoration and customization projects. Whether you’re a seasoned rider looking for a nostalgic thrill or a collector seeking a reliable classic, the GP1200 holds its value as one of Yamaha’s most enduring waverunners. For anyone considering a used Yamaha GP1200, its legacy speaks for itself: a machine that delivered thrills on the water and continues to ride high in the memories of those who experienced it. With proper maintenance and a few modern upgrades, the GP1200 can still hold its own in today’s watersports scene, proving why it remains a favorite for vintage jet ski enthusiasts.  
 
 
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