CR250.2005.2007.325.CYL.KITCEO
Original price was: $800.00.$750.00Current price is: $750.00.
| Product Overview | |
|---|---|
| Technical Specifications | |
| Product Type | Cylinder Conversion Kit |
| Manufacturer | CEO (CR Conversion Engineering) |
| Application | Yamaha Banshee |
| Donor Platform | Honda CR250 |
| CR Model Years | 2005–2007 |
| Displacement | 325cc per cylinder |
| Engine Type | 2-Stroke, Twin Cylinder |
| Material | CNC-machined aluminum alloy |
| Bore Design | Oversized CR250-based bore |
| Cooling | Liquid-cooled, modified passages |
| Porting | High-flow race port architecture |
| Compatibility | Performance cranks, big carbs, aftermarket pipes |
| Intended Use | Dunes, drag racing, hill climb, high-performance builds |
CEO CR250 325cc Cylinder Kit for Yamaha Banshee (2005–2007 Conversion)
If you’re building a serious Yamaha Banshee, stock cylinders are no longer part of the conversation. The CR250 325cc Cylinder Kit by CEO (CR Conversion Engineering) for 2005–2007 CR250 platforms represents one of the most respected, race-inspired cylinder conversions ever developed for the Banshee community. This is not a bolt-on gimmick — it’s a true performance transformation rooted in two-stroke racing heritage.
At its core, this kit adapts the legendary Honda CR250 2005–2007 cylinder architecture to the Yamaha Banshee engine platform, unlocking airflow, port timing, and displacement potential that factory Banshee cylinders simply cannot achieve. The result is brutal midrange torque, explosive top-end pull, and a broader, more usable powerband — whether you ride dunes, drag race, hill climb, or build show-quality performance machines.
Why CR250 Cylinders on a Banshee?
The 2005–2007 CR250 cylinders are widely recognized for their advanced port design, superior exhaust flow, and modern casting geometry. When converted properly by CEO, they become the foundation for 325cc displacement per cylinder, pushing your Banshee into an entirely different performance class.
Most competitor listings stop at vague claims like “more power” or “race proven.” What they fail to explain is why this setup works better:
-
Larger, more efficient transfer ports
-
Improved exhaust port shape for higher RPM stability
-
Superior reed and intake flow potential
-
Better compatibility with modern pipes and domes
CEO’s conversion process addresses alignment, coolant routing, stud placement, and port symmetry — areas where lesser conversions fail.
Built for Riders Who Know Two-Stroke Power
This kit is designed for enthusiasts who respect real two-stroke engineering. The CNC-machined aluminum cylinders are finished to exact tolerances, allowing aggressive port timing without sacrificing reliability. Whether you’re chasing dune dominance or building a drag Banshee that shocks people at the line, this kit delivers predictable, controllable power with race-level durability.
Paired with the right crank, carbs, pipes, and ignition, the CEO 325cc CR250 kit consistently supports 100+ horsepower builds — while still being rideable for aggressive trail or dune use.
Real-World Riding Use Cases
-
Dune riders wanting instant throttle response and endless pull in tall paddles
-
Drag racers looking for fast spool-up and top-end RPM stability
-
Hill climb competitors needing torque that doesn’t fall off
-
Custom builders creating show bikes with legitimate performance credibility
Unlike generic big-bore kits, this setup scales with your build. Mild or wild — the cylinders don’t limit you.
Trusted CEO Engineering
CEO (CR Conversion Engineering) is trusted because they understand both platforms — Yamaha Banshee and Honda CR250 — at an engineering level. Their conversions are known for:
-
Accurate port mapping
-
Clean coolant passages
-
Strong casting integrity
-
Long service life under high RPM
This is why experienced builders and racers consistently choose CEO over budget conversions.
Why This Kit Beats Alternatives
-
Larger usable powerband than stock or standard big bores
-
Better pipe compatibility than older CR conversions
-
Stronger midrange than Cub or Serval setups in comparable trims
-
Superior airflow potential for future upgrades
-
Proven conversion geometry, not experimental machining
If you’re investing in a Banshee build that matters, this kit belongs at the top of your parts list.
Key Benefits
-
Massive horsepower and torque increase
-
Wider, smoother powerband
-
Faster revving with stronger top-end pull
-
Superior airflow vs stock Banshee cylinders
-
Race-proven CR250 port design
-
Excellent pipe and carb compatibility
-
Built for high RPM reliability
-
Ideal foundation for 100+ HP builds
-
Enhances throttle response instantly
-
Elevates overall engine efficiency
-
Strong two-stroke sound and feel
-
Preserves Banshee heritage with modern power
-
Scales with future performance upgrades
-
Trusted by experienced builders
-
Higher resale value for serious builds
FAQs
1. Does this kit bolt directly onto a Yamaha Banshee?
No. This is a professional CR250 cylinder conversion and requires proper installation, supporting parts, and tuning.
2. What power gains can I expect?
Depending on setup, builds commonly see massive torque gains and the potential for 90–110+ HP.
3. What carbs work best with this kit?
Most builders use 35–39mm carbs depending on riding style and RPM goals.
4. Is this kit suitable for dunes and drag racing?
Yes. It excels in dunes, drag racing, and hill climb applications.
5. How does this compare to Cub or Serval cylinders?
CR250 conversions offer superior airflow and a broader powerband in many builds.
6. What fuel is required?
High-octane race fuel is recommended for aggressive compression setups.
7. Can this be used for trail riding?
Yes, when tuned conservatively — but it’s built for performance riders.
8. Who should install this kit?
An experienced Banshee engine builder or performance shop.
9. Is this kit reliable for long-term use?
When properly built and maintained, yes — CEO conversions are known for durability.
10. Is this a rare or high-demand setup?
Yes. CR250 2005–2007 conversions are highly sought after and limited.
Related products
-
2001 Yamaha Banshee 350 for Sale
$3,599.00Add to cartYamaha Banshee 350 – Product Overview Feature Specification Brand Yamaha Materials / Composition Steel chassis, aluminum components, OEM plastic bodywork, liquid-cooled twin-cylinder 2-stroke engine Size / Dimensions / Specs 347cc engine, 6-speed manual, dual carburetors, chain drive Performance Output / Effects Explosive mid-range, high-RPM top-end, fast acceleration, responsive handling Compatible Models / Usage Areas 2001 Yamaha Banshee 350 and all Banshee 350 years for cross-compatibility of many components Installation Method Direct OEM configuration; standard mechanical tools required Durability / Lifespan Designed for long-term use with proper maintenance Storage / Maintenance Recommendations Use quality 2-stroke oil, drain carburetors before storage, keep chain lubricated, check coolant regularly Package Contents Complete Yamaha Banshee 350 unit (2001 model) Country of Origin Japan Certifications / Manufacturing Standards Yamaha OEM production standards and quality control Safety Notes / Rider Precautions Wear full gear, avoid under-mixing oil, maintain brakes and suspension, warm engine before riding -
Buy Yamaha Banshee 2010
$5,500.00Add to cartProduct Description The 2010 Yamaha Banshee is the perfect combination of high-performance, thrilling speed, and legendary off-road capabilities. Known for its impressive 350cc twin-cylinder, two-stroke engine, this ATV is engineered to provide riders with an exhilarating experience every time they hit the trails. Whether you’re racing through the dunes or conquering muddy paths, the 2010 …
-
Yamaha Banshee Seats For Sale
$150.00Add to cartProduct Overview Attribute Specification Brand Premium Aftermarket Yamaha-Compatible Materials / Composition High-density foam, marine-grade UV-resistant vinyl Size / Dimensions / Specs OEM-fit Yamaha Banshee seat dimensions Performance Output / Effects Improved rider comfort, better body control, enhanced stability Compatible Models Yamaha Banshee 1987–2006 Installation Method Direct bolt-on, OEM mounting points Durability / Lifespan Long-term UV/weather resistant construction Storage / Maintenance Store away from direct sun; wipe clean after rides Package Contents Complete seat assembly with cover Country of Origin USA / International (varies by batch) Certifications Meets aftermarket ATV upholstery durability standards Safety Notes Ensure seat is fully latched before riding -
Used Banshee 350 For Sale
$8,000.00Add to cartYamaha Banshee 350 – Product Overview Specification Details Brand Yamaha Materials / Composition Aluminum alloy frame, reinforced steel components, liquid-cooled two-stroke engine Size / Dimensions / Specs 347cc twin-cylinder, approx. 74-inch length, 45-inch width, 43-inch height Performance Output / Effects High power-to-weight ratio, rapid acceleration, top speed approx. 70+ mph Compatible Models / Usage Areas Yamaha Banshee 350 quad bike, off-road trails, sand dunes, motocross circuits Installation Method Factory-installed; aftermarket parts require standard mechanical fitting Durability / Lifespan Built for longevity with proper maintenance; 10+ years typical with care Storage / Maintenance Recommendations Store indoors, regular oil and coolant checks, suspension servicing, engine tune-ups Package Contents Used Banshee 350 ATV unit, standard tools kit (varies by seller) Country of Origin Japan (Yamaha Manufacturing) Certifications / Manufacturing Standards ISO 9001 manufacturing, DOT-compliant lighting and safety standards Safety Notes / Rider Precautions Use protective gear, beginner caution advised, routine mechanical checks -
Add to cartProduct Overview Attribute Specification / Detail Brand Jett Labs / Keihin Materials / Composition Aluminum body, corrosion-resistant finishes Size / Dimensions / Specs Direct fit for Yamaha Banshee 350 Performance Output Improved throttle response, horsepower, fuel efficiency Compatible Models Yamaha Banshee 350 (all years, stock and modified engines) Installation Method Direct bolt-on replacement Durability / Lifespan High durability under off-road conditions Storage / Maintenance Clean, dry storage; regular cleaning and jet inspection Package Contents Complete carburetor with jets and tuning kit Country of Origin Manufactured in USA / Japan Certifications ISO manufacturing standards Safety Notes Professional tuning recommended; use compatible fuel
Reviews
There are no reviews yet.