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:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
