HONDA 11100-KZ3-P00 Right Crankcase Block 309

( Manufacturer Part Number: 11100-KZ3-P00 ), ( Part Type: Block ), ( Non-domestic Product: No ), ( Machine Type: Dirt Bike, Off-road Motorcycle ), ( Color: Silver ), ( Compatible Model: Cr250, Cr250r, Cr125, Cr125r ), ( Material: Aluminum ), ( Placement On Vehicle: Right ), ( Unit Type: Unit ), ( Compatible Year: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994 ), ( Country Of Origin: Japan )

Review HONDA Right Crankcase Block 309 fits CR250R 2000–2001

The **Honda CR250R 11100-KZ3-P00 crankcase block (model years 2000 and 2001)** is a precision-engineered component essential for the reliable performance of Honda s iconic sport-touring dual-sport motorcycle. This high-quality cast aluminum crankcase block is a critical part of the engine s lower unit, housing the crankshaft, connecting rods, and primary drive components while ensuring structural integrity and smooth operation. Designed with Honda s signature attention to detail, this crankcase features a robust, heat-treated aluminum alloy that balances strength with weight efficiency, contributing to the CR250R s agile handling and durability. The block is machined to exacting tolerances, with precision-mated surfaces for the oil pump, transmission housing, and rear sprocket interface, ensuring optimal lubrication and power transfer. For the 2000 and 2001 model years, this specific part (01-309) is a direct replacement for the original equipment, maintaining compatibility with the CR250R s 249cc single-cylinder engine and its iconic air-cooled design. Whether used in a restoration project or as a proactive replacement to prevent premature wear, this crankcase block exemplifies Honda s commitment to performance, longevity, and engineering excellence. Its seamless integration with the rest of the engine assembly including the cylinder block, pistons, and clutch housing ensures that riders can trust in consistent power delivery, whether navigating rough trails or cruising on paved roads. For enthusiasts seeking authenticity and reliability, this part stands as a testament to Honda s legacy of craftsmanship in off-road and adventure motorcycles.

### **Pros and Cons of Buying a Honda CR250R 2000/2001 Right Crankcase Block (11100-KZ3-P00, 01-309)**

1. **Reliability and Durability** Honda s air-cooled single-cylinder engines are known for longevity, especially when maintained properly. The CR250R s engine is robust and can last well beyond 10,000 miles with regular upkeep.

2. **Performance Potential** The stock engine is capable of producing strong power with minor modifications (e.g., porting, carb tuning, or a performance air filter). Many riders upgrade to a bigger bore kit or turbocharging later, making this a good base for future modifications.

3. **Parts Availability** Honda parts for the CR250R are widely available, both new and used. Aftermarket support (clutches, forks, exhausts, etc.) is also strong, making repairs and upgrades easier.

4. **Lightweight and Agile** The CR250R is one of the lightest production dirt bikes, making it highly maneuverable and ideal for motocross, enduro, or trail riding.

5. **Classic Design** The 2000-2001 models retain the iconic, simple styling of the era, appealing to riders who prefer a no-frills, no-electronics approach.

6. **Lower Cost of Ownership** Compared to modern bikes, fuel, maintenance, and repairs are significantly cheaper. Insurance and storage costs are also minimal.

7. **Community and Modding Culture** The CR250R has a strong following among off-road enthusiasts, with plenty of forums, build guides, and DIY resources available.

8. **Resale Value (for Well-Maintained Units)** A properly cared-for CR250R retains value better than many modern bikes, especially if it has a clean title and low mileage.

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1. **Outdated Technology** The bike lacks modern conveniences like disc brakes (early models had drum brakes), electronic fuel injection (EFI), and advanced suspension tuning. This can make it less capable on technical or high-speed trails compared to newer bikes.

2. **Maintenance Requirements** Air-cooled engines require more frequent cooling system checks (oil changes, radiator cleaning) and are more prone to overheating if neglected. The carburetor can drift over time, requiring tuning.

3. **Poor Fuel Economy** The CR250R consumes fuel at a higher rate than modern bikes, especially when modified. Expect to fill up more often, particularly on long rides.

4. **Limited Comfort for Long Rides** The rigid frame and minimal suspension travel make it less comfortable for extended trail riding compared to modern dual-sport or enduro bikes.

5. **No Electronic Assistance** Lack of traction control, launch control, or adjustable suspension settings means the rider must rely entirely on skill to manage the bike in tricky conditions.

6. **Potential for Hidden Issues** Older bikes may have worn-out components (e.g., clutch, chain, bearings) that require replacement. Always inspect the bike thoroughly before purchasing, especially the crankcase block for signs of wear or damage.

7. **Market Saturation** Due to its popularity, there are many used CR250Rs on the market, which can drive prices up for well-maintained examples. Scams or poorly maintained bikes are also more common.

8. **No Modern Safety Features** Absent are features like ABS, side stands with kill switches, or integrated lighting, which are standard on newer bikes.

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The **Honda CR250R (2000-2001) right crankcase block** is an excellent choice for riders who prioritize **simplicity, modding potential, and reliability** over modern conveniences. It s ideal for:

- **Motocross or enduro racing** (with proper setup).

- **Budget-conscious riders** who want a bike they can build up over time.

- **Enthusiasts who appreciate classic design and hands-on maintenance**.

- **Those who plan to modify the bike** (e.g., bore kit, turbo, or suspension upgrades).

- Riders who want **modern features** like EFI, disc brakes, or advanced suspension.

- Those who prioritize **comfort and efficiency** for long-distance trail riding.

- Beginners who may struggle with the bike s **lightweight agility** or lack of electronic aids.

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1. **Verify the Block s Condition** Ensure there are no cracks, warping, or excessive wear on the crankcase. A compression test or inspection by a mechanic is wise.

2. **Check for Complete Parts** Confirm that all necessary components (crankshaft, pistons, bearings, etc.) are included or available. Some sellers may sell just the block without the full engine build kit.

- **Clutch and rear sprocket** (common wear points).

- **Chain and sprocket** (stretch or damage).

- **Forks and shock** (seals, rebound dampening).

- **Carburetor** (cleanliness, float level, jets).

- **Frame and fork legs** (cracks or bending).

- A **performance air filter** (K&N, KTM filter).

- **Carb tuning** (or an aftermarket carb like a Walbro or Mikuni).

- **Suspension upgrades** (if needed for your riding style).

- **Exhaust system** (for better flow and sound).

5. **Join the Community** Engage with CR250R forums (e.g., **Motocross Action, Dirt Bike Forum, or Honda CR250R groups on Facebook**) for advice on builds, common issues, and part recommendations.

6. **Consider a Build-Your-Own Option** If the bike itself is in poor condition, buying just the crankcase block and assembling a new bike from parts (e.g., a used frame, forks, and other components) can be cost-effective.

This crankcase block is a **great value for modders and purists**, but it requires **active maintenance and upgrades** to perform optimally. If you re willing to put in the work, it can be the foundation of a **fast, reliable, and fun** off-road bike. For casual riders or those seeking modern features, a newer bike may be a better long-term investment.

Details:

No heavy wear - broken/missing parts or pieces cracks, repairs, breaks, bends, twists, etc stripped threads/bolts Comes with everything shown in the listing pictures These are from a 2000 HONDA CR250R. The Ask a Question link near bottom left of this listing for quick response THIS LISTING IS PARTS PULLED FROM AN EXCELLENT RUNNING AND RIDING 2000 HONDA CR250R. Gasket surfaces look OK.

part #: 11100kz3p00 prices

• $199.99-$899.00

specifications cyclevintagee:

• for makes: Honda
• for years: 2000-2001
• mpn: 11100-kz3-p00
• part type: Block
• non-domestic product: No
• machine type: Dirt Bike, Off-road Motorcycle
• color: Silver
• compatible model: Cr250, Cr250r, Cr125, Cr125r
• material: Aluminum
• placement on vehicle: Right
• unit type: Unit
• compatible year: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994
• country of origin: Japan

shipping cyclevintagee:

• carrier: UPS, FedEx
• service: UPS Ground Saver, UPS Ground, FedEx Ground / FedEx Home Delivery, UPS 2nd Day Air
• type: Calculated
• cost: $10.96
• transit: 3-8 Days
• class: Economy, Standard, Expedited

seller cyclevintagee:

• # reviews: 1999
• rating: 100.0%
• city: Hutchinson, Kansas

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

returns cyclevintagee:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

payments cyclevintagee:

• wallet: Paypal
• credit card: Discover
• other

offer cyclevintagee:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: April 20, 2026
• sold: 0

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