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Boyesen Supercooler Water Pump Cover Kit Magnesium for Honda CRF250X/R

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$194.95
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The 2004-2017 Honda CRF250X is a trail and off-road-focused motorcycle derived from Honda’s CRF250R motocross model. Designed to excel in technical terrains and enduro-style riding, the CRF250X is a versatile and durable bike that balances performance, handling, and reliability. Its electric start and user-friendly power delivery make it a favorite among recreational riders and off-road racers alike.


General Overview

  • Category: Off-road / Trail / Enduro
  • Production Years: 2004-2017
  • Engine Type: Four-stroke single-cylinder
  • Reputation: Known for its reliability, smooth power delivery, and ability to handle challenging off-road conditions, the CRF250X is a top choice for trail riders and amateur enduro competitors.

Engine and Performance

  • Displacement: 249 cc
  • Cooling System: Liquid-cooled, ensuring consistent performance in demanding conditions.
  • Bore x Stroke: 78 mm x 52.2 mm
  • Compression Ratio: Approximately 12.9:1.
  • Fuel System: Keihin 37 mm flat-slide carburetor (FCR), delivering smooth and responsive power.
  • Horsepower: Around 28-30 HP, tuned for broad and manageable power delivery rather than peak performance.
  • Power Delivery: Linear and predictable, with strong low-end torque for technical climbs and a smooth midrange for trail versatility.
  • Starter: Electric start as standard; some models included a backup kickstart.

Drivetrain

  • Transmission: 5-speed wide-ratio gearbox, offering versatility for both technical trails and faster open sections.
  • Clutch: Multi-plate wet clutch, designed for smooth engagement and durability.
  • Final Drive: Chain drive, typical for off-road motorcycles.

Chassis and Suspension

  • Frame: Twin-spar aluminum frame for lightweight rigidity and excellent handling.
  • Front Suspension:
    • Showa 47 mm inverted cartridge forks.
    • Fully adjustable for compression and rebound damping.
    • Travel: Approximately 12.4 inches.
  • Rear Suspension:
    • Pro-Link system with a fully adjustable Showa shock.
    • Travel: Around 12.3 inches.
  • Handling: Agile and stable, with a chassis geometry that balances cornering precision and high-speed stability.

Brakes and Wheels

  • Front Brakes: Single 240 mm hydraulic disc brake with a dual-piston caliper.
  • Rear Brakes: Single 240 mm hydraulic disc brake with a single-piston caliper.
  • Tires: 21-inch front and 18-inch rear wheels, optimized for off-road traction and durability.

Dimensions and Weight

  • Seat Height: Approximately 37.7 inches, standard for off-road bikes.
  • Ground Clearance: Around 13.6 inches, suitable for clearing obstacles on technical trails.
  • Wet Weight: Approximately 254 lbs, including fluids and ready to ride.
  • Fuel Capacity: 2.2 gallons, with a reserve for extended trail rides.

Key Features

  1. Electric Start: Convenient for trail riders, especially in technical or low-speed situations.
  2. Trail-Friendly Tuning: Engine and suspension are tuned for smoother, more controllable performance compared to the CRF250R motocross counterpart.
  3. Durability: Reinforced components and wide-ratio gearing make it suitable for long-distance and rugged trail riding.
  4. Lighting: Equipped with a headlight and taillight for trail and enduro use.
  5. Quiet Exhaust: A more subdued exhaust note than motocross bikes, meeting trail riding regulations in many areas.

Pros

  • Smooth and manageable power delivery, ideal for off-road and trail riding.
  • Reliable and durable, even under challenging conditions.
  • Lightweight and agile for technical terrain.
  • Electric start adds convenience, especially in difficult situations.
  • Excellent suspension, providing comfort and control on rough trails.
  • Quiet and compliant exhaust system for legal trail use.

Cons

  • Slightly heavier than motocross-focused bikes like the CRF250R.
  • Carburetor requires periodic tuning, especially when riding at varying altitudes.
  • Stock horsepower is moderate, which may feel underpowered for riders seeking peak performance.
  • Discontinued after 2017, so OEM parts availability may decline over time.

Riding Experience

  • The CRF250X excels in tight trails, technical climbs, and enduro-style riding, where its smooth power delivery and precise handling shine.
  • Its suspension absorbs rough terrain effectively, providing a comfortable and confidence-inspiring ride.
  • The bike is beginner-friendly but offers enough performance to satisfy experienced riders.

Legacy

  • The CRF250X gained a reputation as one of the most reliable and versatile off-road bikes of its time.
  • It served as a strong competitor to similar models like the Yamaha WR250F and KTM EXC-F 250.
  • Even after its discontinuation, the CRF250X remains a popular choice for off-road riders, thanks to its durability and strong aftermarket support.

If you’re considering a Honda CRF250X, you’re investing in a proven trail bike with a strong pedigree and a legacy of reliability and performance. With proper maintenance, it remains an excellent choice for riders seeking a versatile and capable off-road machine.

Enhance the cooling efficiency and overall performance of your Honda CRF250X or CRF250R with the Boyesen Supercooler Water Pump Cover and Impeller Kit. Engineered specifically for off-road enthusiasts, this premium kit is designed to optimize your engine's cooling system, ensuring consistent performance and extended engine life during the most demanding rides.

Crafted from high-grade aluminum, the investment-cast water pump cover and patented nautilus-style impeller combo deliver superior hydrodynamic efficiency. This high-flow, hydrodynamic water pump kit has been rigorously tested and designed to flow more coolant across all RPM ranges. By increasing coolant flow, your engine maintains a more constant and cooler temperature, preventing overheating and ensuring optimal performance.

The super-tough, powder-coated magnesium finish not only adds a sleek, professional look to your bike but also resists weathering and wear, ensuring durability in the harshest conditions. The asbestos-free gasket bound with nitrile guarantees a tight, leak-free seal, protecting your engine from dirt and water ingress.

Whether you're tackling rugged trails or pushing your limits on the track, the Boyesen Supercooler Water Pump Cover and Impeller Kit provides the reliability and efficiency that off-road riders demand. Upgrade your cooling system today and experience enhanced performance and engine protection like never before.


Item Specifics:

  • Brand: Boyesen
  • Manufacturer Part Number: WPK-07M / 0940-0263
  • Product Name: Supercooler Water Pump Cover and Impeller Kit
  • Type: Water Pump
  • Model: Supercooler
  • Color/Finish: Magnesium / Powder-Coated
  • Material: Aluminum
  • Units: Kit
  • Riding Style: Off-Road
  • Features:
    • Aluminum investment-cast water pump cover and impeller combo
    • Specifically designed to enhance engine cooling system performance
    • High-flow, hydrodynamic water pump kit tested for increased coolant flow
    • Maintains cooler engine temperatures at all RPM ranges
    • Patented nautilus-style impeller for hydrodynamic efficiency
    • Extends engine life by improving cooling efficiency
  • Condition: New

Fitment Table:

This Boyesen Supercooler Water Pump Cover & Impeller Kit fits the following Yamaha and Suzuki models:

Year Make Model
2004 Honda CRF250X
2005 Honda CRF250X
2006 Honda CRF250X
2007 Honda CRF250X
2008 Honda CRF250X
2009 Honda CRF250X
2010 Honda CRF250X
2011 Honda CRF250X
2012 Honda CRF250X
2013 Honda CRF250X
2014 Honda CRF250X
2015 Honda CRF250X
2016 Honda CRF250X
2017 Honda CRF250X
2004 Honda CRF250R
2005 Honda CRF250R
2006 Honda CRF250R
2007 Honda CRF250R
2008 Honda CRF250R
2009 Honda CRF250R

Package Information:

  • Weight: 0.3 lbs
  • Dimensions:
    • Height: 2.19 inches
    • Length: 5.43 inches
    • Width: 4.57 inches

Note: Please verify your motorcycle's model and year to ensure compatibility before purchasing. 


Enhance your bike's cooling performance and engine protection with the Boyesen Supercooler Water Pump Cover and Impeller Kit. Order yours today and experience superior cooling efficiency on every ride!