While uncommon, some items may ship from a separate warehouse

About the Clutch Cover

Features
Set your ride apart from the rest with the ultimate look in race performance
Lightweight factory clutch covers provide years of outstanding protection; guaranteed not to warp
Individually surfaced for a perfect, leak-free fit
Super-tough, powder-coated finish resists weathering and wear and tear
Asbestos-free gasket is bound with nitrile for tight, leak-free seal

UPC: 804429506217

Specs
Units Each
Color/Finish Powder-Coated / Black
Model Factory Racing
Product Name Cover
Type Clutch
Riding Style Off-Road

Package info
Weight 0.65 lbs
Height 2.67
Length 7.95
Width 7.87

About the Supercooler Water Pump Cover and Impeller Kit

Features
An aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system
This high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolant
By increasing the flow at all rpm ranges, the engine will run cooler at a more constant temperature
Patented nautilus style impeller for hydrodynamic efficiency
Extend engine life

UPC: 804429506187

Specs
Model Supercooler
Color/Finish Black / Powder-Coated
Material Aluminum
Product Name Cover and Impeller Kit
Riding Style Off-Road
Units Kit
Type Water Pump

Package info
Weight 0.4 lbs
Height 2.36
Length 5.58
Width 4.52

About the 2004-2009 Honda CRF250R

The 2004–2009 Honda CRF250R marked Honda’s groundbreaking entry into the high-performance 250cc four-stroke motocross category. This bike quickly became the benchmark for handling, balance, and agility, earning widespread acclaim among racers, amateurs, and motocross enthusiasts alike.

Here’s an in-depth overview of the 2004–2009 Honda CRF250R:

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Overview and Historical Context:

Honda introduced the CRF250R in 2004 following the massive success of its larger sibling, the CRF450R. This new 250cc four-stroke quickly reshaped the motocross landscape by offering smooth, tractable power, class-leading handling, and superior ergonomics. The CRF250R was an immediate favorite with amateur racers, quickly proving itself as a serious competitor against existing two-stroke models.

Honda continually refined the CRF250R from 2004 through 2009, focusing on incremental performance, reliability improvements, and chassis refinements. These models remain sought-after today for their performance, accessibility, and reliability.

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Engine and Performance:

• Engine Specifications:

  • 249cc liquid-cooled, single-cylinder, four-stroke
  • Unicam single overhead camshaft design (SOHC) for reduced weight and compact size
  • Four-valve titanium valve configuration (two intake, two exhaust)
  • Carbureted (Keihin FCR) throughout the 2004–2009 years
  • 5-speed close-ratio gearbox

• Performance Traits:

  • Smooth, linear power delivery ideal for precise throttle control
  • Exceptional low-to-mid-range torque compared to contemporary two-strokes
  • Responsive throttle response with excellent tractability in slippery or challenging conditions
  • Renowned for its "rideability" and manageable power characteristics, ideal for racers transitioning from two-stroke models

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Chassis, Suspension, and Handling:

• Frame and Chassis:

  • Lightweight aluminum twin-spar perimeter frame; continuously refined throughout production
  • Excellent handling characteristics, offering sharp, precise cornering and exceptional stability
  • Ergonomic design favored by riders for natural riding position and easy maneuverability

• Suspension:

  • High-quality Showa suspension components:
    • Front: Fully adjustable Showa inverted forks, progressive damping characteristics
    • Rear: Showa Pro-Link shock with fully adjustable damping and preload
  • Suspension praised for plushness, track feedback, and excellent bottoming resistance

• Braking System:

  • Hydraulic disc brakes front and rear (Nissin components), powerful, consistent stopping capability

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Evolution by Model Year:

2004 (First Year):

• Groundbreaking introduction of the CRF250R, highly praised for handling, ergonomics, and engine performance
• Set a new standard in 250 four-stroke class, becoming the benchmark almost immediately

2005–2006:

• Improved engine durability, refined suspension valving, and minor adjustments to carburetor tuning
• Slight frame modifications improved overall handling and reduced rider fatigue
• Valve reliability slightly improved; however, valve clearances required regular checks due to titanium intake valves

2007–2009:

• Revised camshaft profiles and cylinder head design improved power delivery, especially mid-to-top-end performance
• Refined suspension settings for even smoother performance and reduced rider fatigue
• Improved transmission durability and shifting precision
• Enhanced cooling system and minor reliability improvements in valve-train components
• 2009 represented the last carbureted model before Honda transitioned to fuel injection (starting in 2010)

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Racing Heritage and Legacy:

• Quickly became one of the most popular bikes in amateur racing due to excellent performance, ease of riding, and competitive edge.
• Widely raced in AMA motocross, supercross, and amateur championships with considerable success, notably in the amateur ranks at events such as Loretta Lynn’s Amateur National Championships.
• The bike served as a stepping stone for many future motocross stars due to its manageable powerband and precise handling.

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Common Maintenance and Issues:

• Valve Clearance and Durability:

  • Titanium intake valves prone to tightening clearance over time; frequent valve clearance checks recommended every 15–20 hours of riding.
  • Stainless steel valve replacements commonly used as aftermarket upgrades for increased durability.

• Top-End Maintenance:

  • Recommended top-end rebuild every 40–60 hours (piston, rings, timing chain) to maintain optimal performance and reliability.

• Carburetor Maintenance:

  • Keihin FCR carburetor may require regular cleaning and precise tuning to maintain crisp throttle response, especially in varying climates.

• Suspension Service:

  • Regular fork seal replacement and shock oil changes critical for maintaining optimal handling performance.

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Collectibility and Market Popularity:

The 2004–2009 Honda CRF250R remains very popular today for budget-minded racers, recreational riders, and enthusiasts looking for a reliable, capable, and competitively priced four-stroke motocross machine.

• Most Desirable Models:

  • 2007–2009: Refined power delivery, improved reliability, and excellent suspension tuning make these models highly valued.
  • 2009: Last year carbureted, known for excellent reliability and tuning potential before EFI transition.

• Parts and Aftermarket Support:

  • Abundant availability of OEM and aftermarket parts, making maintenance straightforward.

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Conclusion:

The 2004–2009 Honda CRF250R stands as an iconic motocross motorcycle, recognized for its balanced handling, rider-friendly power, and significant impact in popularizing the four-stroke era of motocross. Its reliability, ease of maintenance, and enduring performance continue to make it a favorite choice among riders and amateur racers today.