CR250.2002.2004 325.CYL.KIT.CEO
$700.00
| Product Overview | |
|---|---|
| Manufacturer | Eddie Sanders Racing (ESR) |
| Application | Yamaha Banshee (CR250 Conversion) |
| Model Years | 2002 – 2004 |
| Displacement | 325cc |
| Technical Specifications | |
| Cylinder Material | CNC-machined aluminum alloy |
| Bore Type | Oversized CR250-based bore |
| Bore Coating | Nikasil (Nickel-Silicon Carbide) |
| Piston Type | Forged aluminum oversized piston |
| Cooling | Optimized for liquid-cooled systems |
| Port Design | High-flow race-inspired port timing |
| Fuel Type | Premix |
| Intended Use | Performance, racing, high-output builds |
CR250 2002–2004 325cc Cylinder Kit (CEO) for Yamaha Banshee Builds
Built for riders who refuse to settle, the CR250 2002–2004 325cc Cylinder Kit (CEO) transforms the Yamaha Banshee into a torque-heavy, rev-happy two‑stroke weapon. This kit brings CR250 motocross engineering into the Banshee world—delivering a broader powerband, harder hit, and superior durability compared to stock or common big‑bore options.
Competitor Landscape & Why This Kit Wins
Top-ranking CR250‑Banshee conversion pages tend to share the same weaknesses: thin technical detail, vague fitment notes, limited riding use cases, and little explanation of why a CR‑based bore outperforms generic cast cylinders. They often skip coating quality, port architecture, heat management, and real‑world tuning considerations.
The CEO 325cc kit closes every gap. You get a CNC‑machined aluminum cylinder with a Nikasil (Nickel‑Silicon Carbide) plated bore, CR250‑derived port geometry, and race‑ready tolerances. This isn’t just a bigger cylinder—it’s a smarter power system designed for aggressive trail riding, dunes, drag pulls, and closed‑course racing.
Engineering That Matters
The heart of this kit is its CR250‑based oversized bore, optimized for the Yamaha Banshee bottom end. The aluminum alloy construction dissipates heat rapidly, while the Nikasil coating reduces friction, improves ring seal, and dramatically extends service intervals. Compared to iron sleeves, Nikasil keeps power consistent under sustained abuse—perfect for wide‑open dune runs or long moto sessions.
Port timing and shape are engineered to deliver a meaty midrange hit without sacrificing top‑end over‑rev. That means quicker spool out of corners, stronger pulls through the gears, and a sound that screams classic two‑stroke dominance. Pair it with quality pipes, proper jetting, and ignition timing, and the result is a Banshee that feels alive everywhere in the RPM range.
Real‑World Riding Use Cases
- Dunes: Massive torque to climb and carry speed with fewer shifts.
- Drag & Sand Drags: Hard launch characteristics and strong mid‑to‑top pull.
- Trail & Woods: Broad powerband reduces clutch work and rider fatigue.
- Track & Closed‑Course: Consistent temps and repeatable power lap after lap.
Built for Tuners & Builders
This kit is tuner‑friendly. The CR250 platform enjoys deep aftermarket support for pistons, rings, gaskets, and porting services. Builders can tailor compression, squish, and timing to their exact riding style. Whether you’re chasing reliability or peak numbers, the CEO 325cc gives you the foundation to do it right.
Why Choose CEO Over Alternatives
- Nikasil over sleeves: Better heat control, longevity, and power consistency.
- CR250 geometry: Proven motocross DNA adapted for ATV punishment.
- Precision CNC machining: Tight tolerances, cleaner ports, better seal.
- Global parts ecosystem: Easier sourcing, long‑term serviceability.
Buyer Motivation Triggers
This kit taps straight into two‑stroke nostalgia—the smell, the sound, the snap—while delivering modern reliability. It’s about standing out at the dunes, winning holeshots, and building something different that knowledgeable riders respect. Demand is high because results are real.
Key Benefits
- Massive torque increase over stock Banshee cylinders
- Broader, more usable powerband
- Faster heat dissipation under load
- Reduced friction for longer engine life
- Stronger midrange hit for aggressive riding
- Superior ring seal and compression stability
- Ideal base for custom porting and tuning
- Race‑proven CR250 architecture
- Consistent power in extreme conditions
- Premium build quality for high‑RPM abuse
- Enhances exhaust and carb upgrades
- Increases resale appeal of built Banshees
- Fewer rebuilds compared to sleeved bores
- Authentic two‑stroke race sound
- Compatible with global aftermarket parts
Related products
-
Add to cartThe 30″ HILLSHOOTER axle is Gun-Drilled the entire length with a 19mm hole. All axle assemblies come complete with tools needed for adjustments. (P…
Technical Specifications Length 30 inches (762 mm) Material Aerospace-grade steel alloy Manufacturing CNC-machined, heat-treated Spline count OEM spec spline count for perfect fit Tolerance ±0.01 mm Weight Approx. 4.5 lbs (varies slightly by batch) Compatibility Yamaha Banshee 350 (1987-2006) Finish Corrosion-resistant black oxide coating -
1993 Yamaha Banshee 350
$6,600.00Add to cartProduct Overview Category Details Brand Yamaha Materials / Composition High-tensile steel frame; aluminum swingarm; reinforced plastics; liquid-cooled 347cc twin-cylinder engine Size / Dimensions / Specs Approx. length: 72 in; width: 43 in; height: 42.5 in; wheelbase: 50 in; engine: 347cc two-stroke twin Performance Output / Effects High-RPM power, rapid throttle response, explosive acceleration, top-tier dune and drag performance Compatible Models / Usage Areas 1987–2006 Yamaha Banshee models; dunes, tracks, trails, racing Installation Method Full ATV unit; standard maintenance and tuning procedures required Durability / Lifespan 20–40+ years with proper maintenance; rebuildable engine Storage / Maintenance Recommendations Store indoors; maintain coolant system; fog motor before long-term storage; regular chain and carburetor service Package Contents Complete 1993 Yamaha Banshee 350 unit (varies by seller) Country of Origin Japan Certifications / Manufacturing Standards Yamaha factory quality control and motorsport engineering standards Safety Notes / Rider Precautions Wear protective gear; warm engine before riding; avoid excessive RPM on cold engine -
2020 Suzuki Youth Quad Sport Z90
$2,100.00Add to cartProduct Specification Overview Specification Details Brand Suzuki Materials / Composition Powder-coated tubular steel frame, reinforced plastics, SOHC four-stroke engine Size / Dimensions / Specs Length: 50 in; Width: 29.9 in; Height: 30 in; Seat Height: 21.1 in;
Dry Weight: ~174 lbs; Engine: 89ccPerformance Output / Effects Smooth youth-tuned powerband, stable handling, predictable cornering, consistent braking Compatible Models / Usage Areas Youth riders 12+; Training grounds; Trails; Farms; Recreational riding Installation Method Fully assembled vehicle; minor dealer prep required Durability / Lifespan 5–10+ years with proper maintenance Storage / Maintenance Recommendations Store indoors; check fluids monthly; maintain chain tension; clean air filter routinely Package Contents Complete ATV unit; owner’s manual; tool kit Country of Origin Japan Certifications / Standards Complies with international youth ATV safety and emissions standards Safety Notes / Rider Precautions Adult supervision required; always wear protective gear; use throttle limiter -
Banshee Clutch Basket’s Innerhub
$315.00Add to cartHinson Racing Banshee Clutch Basket’s 8 Plate Billet Innerhub
Product Overview Technical Specifications Material Aerospace-grade billet aluminum alloy Heat Treatment Advanced surface hardening for increased wear resistance Compatibility Fits 1987–2006 Yamaha Banshee 350 models Weight Approximately 320 grams (varies slightly by batch) Manufacturing Process CNC machined with ±0.01 mm tolerance Finish Anodized coating for corrosion and wear protection Dimensions OEM stock fitment standard Warranty Limited lifetime warranty from Hinson Racing -
Add to cartYamaha Banshee 350 FMF Full Exhaust Fatty Pipes PowerCore 2 II Silencers Set Kit Don’t let anything stand in your way of Yamaha Banshee 350 dominance with FMF Full Exhaust Fatty Pipes and PowerCore 2 II Silencers Set Kit. This exhaust system is perfect for gifted riders who want more horsepower and high rpm RPM performance from their Suzuki Banshee. The Fatty Pipes are …
Yamaha Banshee 350 FMF Full Exhaust Fatty Pipes PowerCore 2 II Silencers Set KitRead More
Reviews
There are no reviews yet.