Cylinder Works 80mm Big Bore Kit – KX250F 2004-2008 /RM-Z250 (269cc)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
✓ Fits:
- 2004-2008 Kawasaki / Suzuki KX250F
- 2004-2008 Kawasaki / Suzuki RM-Z250
✓ Features:
- 80.00 mm nickel–silicon-carbide plated cylinder (stock-appearance casting)
- Top-end gasket kit (valve stem seals not included)
- Big bore to ≈269cc for stronger mid-range and top-end pull
- 12.6:1 compression for crisp throttle response (pump premium recommended)
- Nikasil (nickel–silicon-carbide) plating for durability and heat transfer
- Matched Vertex piston reduces noise and enhances longevity
- Cylinder looks just like stock ; seamless OEM fit
✓ What's Included:
- Vertex piston kit (piston, rings, wrist pin, circlips) matched to the bore
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
