2004 Yamaha FX Cruiser Motor Specifications Leave a comment

Introduction

Brief Overview of the 2004 Yamaha FX Cruiser

The 2004 Yamaha FX Cruiser is a highly regarded personal watercraft (PWC) known for its performance, comfort, and reliability. This model features a powerful 998cc, 4-stroke, liquid-cooled engine, capable of delivering 140 horsepower. It is designed to accommodate up to three passengers, making it ideal for family outings and recreational use. The FX Cruiser also boasts a progressive stepped V hull, which enhances stability and handling on the water¹².

Importance of Understanding Motor Specifications

Understanding motor specifications is crucial for several reasons:

1. Performance Optimization: Knowing the specifications helps in optimizing the performance of the watercraft. It allows owners to understand the capabilities and limitations of their PWC, ensuring they operate it within safe and efficient parameters³.
2. Maintenance and Repairs: Detailed knowledge of motor specs aids in proper maintenance and troubleshooting. It helps in identifying the correct parts and procedures needed for repairs, thereby extending the lifespan of the motor⁴.
3. Safety: Understanding the motor’s specifications ensures that the PWC is used safely. It helps in preventing overloading and overheating, which can lead to accidents or damage⁵.
4. Fuel Efficiency: By understanding how the motor operates, users can adopt practices that enhance fuel efficiency, saving on operational costs and reducing environmental impact⁶.
5. Compatibility: When upgrading or replacing parts, knowing the motor specifications ensures compatibility with new components, preventing potential mismatches and performance issues³.

Engine Specifications

Engine Type and Configuration

• Type: Longitudinal In-Line, 4-Stroke
• Configuration: The engine is designed to provide a smooth and powerful performance, ideal for both recreational and competitive use. It features a Double Overhead Camshaft (DOHC) design, which enhances efficiency and power output.

Displacement

• Standard Model: 998cc
• High Output (HO) Model: 1052cc

Horsepower

• Standard Model: 140 hp at 10,000 RPM
• High Output (HO) Model: 160 hp at 10,000 RPM

Fuel System

• Type: Fuel Injected
• Description: The fuel injection system ensures efficient fuel delivery and optimal performance, contributing to better fuel economy and reduced emissions. It uses a multi-point fuel injection system for precise fuel management.

Cooling System

• Type: Open-loop cooling system
• Description: This system uses water from the surrounding environment to cool the engine, providing effective temperature regulation during operation. The open-loop design is simple and reliable, making it well-suited for marine environments.

Additional Engine Details

• Compression Ratio:
  • Standard Model: 11.4:1
  • HO Model: 11.9:1
• Bore x Stroke:
  • Standard Model: 74 x 58 mm
  • HO Model: 76 x 58 mm
• Ignition System: TCI (Transistor Controlled Ignition)
• Lubrication System: Dry sump
• Starting System: Electric start
• Spark Plugs: NGK CR9EB

Performance and Handling

• Impeller: 3-blade stainless steel impeller for efficient propulsion and durability.
• Transmission: Reduction Gear Box Transmission, which provides smooth and reliable power delivery.
• Trim System: Manual trim system to adjust the angle of the watercraft for optimal performance in various conditions.

Dimensions and Capacities

• Length: 131.5 inches
• Width: 48.4 inches
• Height: 45.7 inches
• Dry Weight: 826 lbs (375 kg)
• Fuel Capacity: 18.5 gallons (70 liters)
• Storage Capacity: 4.1 cu ft (116.3 liters)
• Load Capacity: 529 lbs

Hull and Features

• Hull Material: Sheet Molded Compound (SMC)
• Hull Type: Progressive Stepped V
• Seating Capacity: 3
• Sponsons: Standard
• Boarding Step: Standard
• Instrumentation: Digital
• Bilge System: Automatic Siphon / Electric Pump
• Rearview Mirrors: Standard

Additional Features

• Underseat Storage: Standard
• Glove Box / Dash Storage: Standard
• Front Storage Well: Standard

The 2004 Yamaha FX Cruiser is known for its robust performance and reliability, making it a popular choice among personal watercraft enthusiasts¹²³⁴.

Performance Metrics

Compression Ratio

• Standard Model: 11.4:1
• High Output (HO) Model: 11.9:1

Bore x Stroke

• Standard Model: 74 x 58 mm
• High Output (HO) Model: 76 x 58 mm

Top Speed and Acceleration

• Standard Model: The top speed for the standard 2004 Yamaha FX Cruiser is approximately 55-57 mph¹².
• High Output (HO) Model: The HO model can reach a top speed of about 57-60 mph³.
• Acceleration: Both models offer impressive acceleration, with the HO model providing a slightly quicker response due to its higher horsepower.

Fuel Efficiency

• Standard Model: The fuel consumption rate for the standard model is approximately 11.6 gallons per hour (43.9 liters per hour) at wide-open throttle².
• High Output (HO) Model: The HO model has a fuel consumption rate of around 12 gallons per hour (45.4 liters per hour) at wide-open throttle³.

Additional Performance Details

• Cruising Range: With an 18.5-gallon fuel tank, the cruising range is approximately 1.6 hours for both models².
• Propulsion System: Both models use a 155mm axial-flow, single-stage jet pump with a stainless-steel impeller, providing efficient propulsion and durability¹.
• Trim System: Equipped with a 5-position manual trim system to adjust the angle of the watercraft for optimal performance in various conditions¹.

These detailed performance metrics highlight the robust capabilities of the 2004 Yamaha FX Cruiser, making it a reliable and efficient choice for both recreational and competitive use.

Technical Features

Ignition System

• Type: TCI (Transistor Controlled Ignition)
• Description: The TCI system provides reliable ignition performance by using transistors to control the ignition timing. This results in more precise spark timing, improved fuel efficiency, and better overall engine performance¹.

Lubrication System

• Type: Dry Sump
• Description: The dry sump lubrication system ensures that the engine is properly lubricated by storing oil in a separate reservoir rather than in the crankcase. This design helps to reduce engine wear, improve cooling, and maintain consistent oil pressure even during aggressive riding¹.

Propulsion System

• Type: 155mm Axial-Flow, Single-Stage Jet Pump
• Description: The propulsion system uses a 155mm axial-flow, single-stage jet pump to provide efficient thrust and excellent handling. The axial-flow design ensures smooth water flow through the pump, enhancing performance and reducing cavitation².

Impeller

• Material: Stainless Steel
• Description: The stainless steel impeller is designed for durability and efficiency. It features a 3-blade design that provides optimal water displacement and thrust, contributing to the watercraft’s impressive acceleration and top speed².

Manual Reverse System

• Description: The manual reverse system allows the rider to easily maneuver the watercraft in tight spaces or when docking. By shifting the direction of the jet pump’s thrust, the reverse system provides greater control and convenience².

These technical features highlight the advanced engineering and design of the 2004 Yamaha FX Cruiser, making it a reliable and high-performance personal watercraft.

Maintenance and Upkeep

Regular Maintenance Tips

1. Engine Oil Change
   • Change the engine oil every 50 hours of operation or at least once a year¹.
   • Use Yamaha 4W 10W-40 oil for optimal performance.
2. Flushing the Cooling System
   • Flush the cooling system with fresh water after each use, especially if used in saltwater¹.
   • Connect a garden hose to the flushing port and run the engine for a few minutes to remove salt and debris.
3. Battery Maintenance
   • Check the battery regularly for corrosion and clean the terminals as needed¹.
   • Keep the battery charged and store it in a cool, dry place during the off-season.
4. Inspecting and Cleaning the Spark Plugs
   • Inspect the spark plugs every 25 hours of operation and replace them if necessary².
   • Use NGK CR9EB spark plugs for the best results.
5. Lubrication
   • Lubricate all moving parts, including the throttle and steering cables, to ensure smooth operation².
   • Use a marine-grade lubricant to prevent rust and corrosion.
6. Fuel System Maintenance
   • Inspect the fuel lines and connections for leaks or damage².
   • Use a fuel stabilizer if the watercraft will be stored for an extended period.

Common Issues and Troubleshooting

1. Engine Won’t Start
   • Possible Causes: Dead battery, faulty spark plugs, or empty fuel tank³.
   • Solutions: Charge or replace the battery, inspect and replace spark plugs, and ensure the fuel tank is full.
2. Engine Overheating
   • Possible Causes: Blocked cooling system or low coolant levels³.
   • Solutions: Flush the cooling system and check for blockages, ensure the coolant levels are adequate.
3. Poor Acceleration
   • Possible Causes: Clogged fuel injectors or dirty air filter³.
   • Solutions: Clean or replace the fuel injectors and air filter.
4. Excessive Vibration
   • Possible Causes: Damaged impeller or drive shaft⁴.
   • Solutions: Inspect and replace the impeller or drive shaft if necessary.

Recommended Service Intervals

1. Initial Service (20 Hours or 3 Months)
   • Change engine oil and filter.
   • Inspect and clean the spark plugs.
   • Check and adjust the throttle and steering cables⁵.
2. Regular Service (Every 50 Hours or Annually)
   • Change engine oil and filter.
   • Inspect and clean the spark plugs.
   • Flush the cooling system.
   • Lubricate all moving parts¹.
3. Comprehensive Service (Every 100 Hours or Annually)
   • Perform all regular service tasks.
   • Inspect and clean the fuel system.
   • Check and adjust the valve clearance.
   • Inspect the hull and body for damage⁵.
4. Major Service (Every 300 Hours or 3 Years)
   • Perform all comprehensive service tasks.
   • Replace the timing belt.
   • Inspect and replace the impeller and drive shaft if necessary⁵.

Regular maintenance and timely servicing are crucial to ensure the longevity and performance of your 2004 Yamaha FX Cruiser. By following these guidelines, you can enjoy a smooth and trouble-free riding experience.

User Experience and Reviews

Testimonials from Owners

Many owners of the 2004 Yamaha FX Cruiser have shared their positive experiences with this personal watercraft. Here are a few testimonials:

• Alex P.: “The FX Cruiser is incredibly reliable and performs well in various water conditions. The ride is smooth, and the cruise seat is very comfortable for long rides.”
• Maria S.: “I love the storage capacity and the overall design. It’s perfect for family outings, and the fuel efficiency is a big plus.”
• John T.: “The handling is excellent, and the power is more than enough for recreational use. The maintenance is straightforward, and parts are readily available.”

Pros and Cons Based on User Feedback

Pros

• Comfort: The bolstered Cruiser seat provides excellent back support, making long rides more comfortable¹.
• Performance: Both the standard and HO models offer impressive acceleration and top speeds, making them suitable for various water activities¹.
• Storage: Ample storage space, including underseat storage, glove box, and front storage well, allows for carrying essentials on long trips¹.
• Reliability: Owners appreciate the reliability and durability of the FX Cruiser, with many reporting minimal issues over years of use¹.
• Fuel Efficiency: The fuel-injected engine provides good fuel economy, which is beneficial for extended rides¹.

Cons

• Initial Cost: The initial purchase price can be high compared to other models in the same category¹.
• Maintenance: Regular maintenance is required to keep the watercraft in top condition, which can be time-consuming¹.
• Weight: The FX Cruiser is relatively heavy, which can make it more challenging to maneuver out of the water¹.

Comparison with Other Models in the Same Category

When comparing the 2004 Yamaha FX Cruiser to other models in the same category, several key differences and similarities stand out:

Yamaha FX Cruiser vs. Sea-Doo GTX 4-TEC

• Performance: Both models offer similar performance, with the FX Cruiser having a slight edge in top speed and acceleration².
• Comfort: The FX Cruiser’s bolstered seat provides better comfort for long rides compared to the standard seat on the GTX².
• Storage: The FX Cruiser offers more storage capacity, making it more suitable for long trips².

Yamaha FX Cruiser vs. Kawasaki STX-15F

• Performance: The STX-15F has a comparable top speed but slightly less acceleration than the FX Cruiser².
• Features: The FX Cruiser includes more advanced features such as digital instrumentation and a manual trim system².
• Price: The STX-15F is generally more affordable, making it a good option for budget-conscious buyers².

Yamaha FX Cruiser vs. Honda AquaTrax F-12X

• Performance: The AquaTrax F-12X offers similar performance but includes a turbocharged engine, providing a different riding experience².
• Reliability: Both models are known for their reliability, but the FX Cruiser’s simpler engine design may result in easier maintenance².
• Comfort: The FX Cruiser’s seat design is often preferred for long-distance comfort².

Overall, the 2004 Yamaha FX Cruiser stands out for its comfort, performance, and reliability, making it a popular choice among personal watercraft enthusiasts.

Conclusion

Summary of Key Points

The 2004 Yamaha FX Cruiser is a standout personal watercraft known for its robust performance, comfort, and reliability. Key features include:

• Engine Specifications: The FX Cruiser is powered by a 998cc engine in the standard model and a 1052cc engine in the High Output (HO) model, delivering 140 hp and 160 hp respectively.
• Technical Features: It boasts a TCI ignition system, dry sump lubrication, and a 155mm axial-flow, single-stage jet pump with a stainless steel impeller.
• Performance Metrics: The FX Cruiser offers impressive top speeds of 55-57 mph for the standard model and 57-60 mph for the HO model, with good fuel efficiency.
• Maintenance and Upkeep: Regular maintenance, including oil changes, flushing the cooling system, and battery care, is essential for optimal performance.
• User Experience and Reviews: Owners appreciate the comfort, performance, and reliability of the FX Cruiser, though the initial cost and maintenance requirements are noted as considerations.

Final Thoughts on the 2004 Yamaha FX Cruiser’s Motor Performance

The 2004 Yamaha FX Cruiser’s motor performance is exceptional, providing a powerful and smooth ride suitable for both recreational and competitive use. Its advanced engineering, including the fuel-injected engine and efficient propulsion system, ensures reliable and efficient operation. The FX Cruiser’s combination of speed, acceleration, and fuel efficiency makes it a top choice for personal watercraft enthusiasts. Regular maintenance and proper care will ensure that this watercraft continues to perform at its best for years to come.

Additional Resources

For more information and detailed guides on maintaining and optimizing your 2004 Yamaha FX Cruiser, consider the following resources:

• Yamaha WaveRunners Official Website: Yamaha WaveRunners
• Personal Watercraft Reviews and Forums: PersonalWatercraft.com
• Maintenance and Repair Manuals: ManualsLib
• Owner Communities and Forums: JetBoaters.Net, Yamaha Forums

These resources provide valuable information and support for Yamaha FX Cruiser owners, helping you get the most out of your watercraft.

FAQs

Q1: What is the top speed of the 2004 Yamaha FX Cruiser?

A1: The top speed of the 2004 Yamaha FX Cruiser is approximately 55-57 mph for the standard model and 57-60 mph for the High Output (HO) model¹².

Q2: How often should I change the engine oil on my 2004 Yamaha FX Cruiser?

A2: It is recommended to change the engine oil every 50 hours of operation or at least once a year.

Q3: What type of fuel does the 2004 Yamaha FX Cruiser use?

A3: The 2004 Yamaha FX Cruiser uses regular unleaded gasoline³.

Q4: How do I flush the cooling system on my 2004 Yamaha FX Cruiser?

A4: To flush the cooling system, connect a garden hose to the flushing port and run the engine for a few minutes to remove salt and debris, especially after using the watercraft in saltwater.

Q5: What should I do if my 2004 Yamaha FX Cruiser won’t start?

A5: If your watercraft won’t start, check the battery, inspect the spark plugs, and ensure the fuel tank is full. If the problem persists, consult a professional mechanic.

Q6: How many passengers can the 2004 Yamaha FX Cruiser accommodate?

A6: The 2004 Yamaha FX Cruiser is designed to accommodate up to three passengers⁴.

Q7: What is the fuel capacity of the 2004 Yamaha FX Cruiser?

A7: The fuel capacity of the 2004 Yamaha FX Cruiser is 18.5 gallons (70 liters)⁴.

Q8: How do I maintain the battery on my 2004 Yamaha FX Cruiser?

A8: Regularly check the battery for corrosion, clean the terminals, keep it charged, and store it in a cool, dry place during the off-season.

Q9: What type of ignition system does the 2004 Yamaha FX Cruiser use?

A9: The 2004 Yamaha FX Cruiser uses a TCI (Transistor Controlled Ignition) system¹.

Q10: Are there any common issues with the 2004 Yamaha FX Cruiser?

A10: Common issues include engine starting problems, overheating, poor acceleration, and excessive vibration. Regular maintenance and timely troubleshooting can help address these issues.