Cylinder Works 02-08 CRF 450 R Standard Bore Cylinder
The Cylinder Works 02-08 CRF 450 R Standard Bore Cylinder is made to restore lost power on your Honda CRF450R. It replaces a worn or damaged cylinder with a factory-size bore. The part fits like stock and works with OEM pistons. You get strong compression, smooth throttle, and reliable starts again.Product Specifications
- Fitment: Honda CRF450R 2002–2008
- Bore Type: Standard bore
- Material: Aluminum casting
- Coating: Nickel-silicon carbide plated
- Use: OEM piston compatible
- Compatibility: Works with OEM pistons and gaskets
- Construction: Precision-cast and finished
Features at a glance
- Direct replacement for 02–08 CRF450R
- Standard bore, factory compression
- Precision honed finish
- Strong heat-resistant plating
- Correct port and coolant design
- Bolt-on installation
Why Riders Choose this Cylinder
Built to Match OEM Size
- Standard bore size, no overbore needed
- Works with stock piston and rings
- Keeps the engine feeling close to factory
Ready to Install
- Comes fully machined and honed
- No extra cylinder work required
- Direct bolt-on for 2002–2008 CRF450R
Durable Nickel-Silicon Coating
- Hardened plated cylinder wall
- Resists heat and wear
- Holds oil film better
Strong Casting Design
- Matches OEM port layout
- Correct water jacket flow
- Precise deck height
Real-Life Results
Most riders notice the difference on the first ride. Cold starts get easier. The bike pulls clean from low rpm. A tired engine often feels lazy and loud. After this cylinder, the same bike feels tight again. Throttle becomes crisp. Power comes back where it used to live.One weekend rider rebuilt his 2005 CRF450R after low compression. He used this cylinder with a stock piston. The bike fired on the second kick. He said it felt like the day he bought it. That is the goal of this part.Who is this for
- Riders with worn stock cylinders
- Mechanics doing a full top-end rebuild
- Racers who want OEM feel, not big bore
- Owners keep the bike for many more seasons
Installation Notes
Use new gaskets and fresh coolant. Check piston and ring condition. Follow factory torque specs. A clean break-in helps the plating seat correctly. Change oil after the first ride.Frequently Asked Questions (FAQs)
1. Does this fit all CRF450R from 2002 to 2008?
Yes. It is made for every CRF450R model year from 2002 through 2008.2. Do I need a special piston?
No. The cylinder works with OEM-size pistons and rings.3. Is machine work required before installation?
No. The cylinder comes ready to install with a finished hone.4. Is this a big-bore kit?
No. It is standard bore to keep factory power delivery.5. Will it help low compression issues?
Yes. A new cylinder restores sealing and compression.6. Can I use my stock head and valves?
Yes. It matches the stock head design.7. Is a break-in needed?
Yes. Follow normal break-in and oil change steps.The Cylinder Works 02-08 CRF 450 R Standard Bore Cylinder gives you a true factory-feel rebuild. It fixes wear without changing the soul of the bike. You get reliable starts, smooth power, and confidence on every ride. For riders who want their Honda to feel new again, this cylinder is the simple and smart choice.3 reviews for Cylinder Works 02-08 CRF 450 R Standard Bore Cylinder
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Pete Flynn –
Restoring my old CRF450 and this cylinder was a perfect fit. Saved me a fortune over dealer pricing.
Chris Christensen –
Great quality bore and plating. Broke it in properly and it’s holding compression like a champ very happy with this purchase.
Josh (Shea) Rubenstein –
This thing slid right into my 450R with no issues. Came nicely packaged and protected. Bike rips now.