Athena Big Bore Cylinder Kit with Head 10 mm Pin - Domed Head Piston - 070100 | Yamaha CW50 Zuma II 1997-2001

Features:

• Kits come complete with aluminum cylinder (with a nickel carbide-plated 47.66mm bore), cylinder head, piston assembly (piston, rings, 10mm wrist pin and circlips), carbon reeds and all required top-end gaskets
• Optional high-performance crankshafts (sold separately) replace OEM and are manufactured to Athena's highest standards
• Replacement top-end gasket kits and piston kits also available separately

Note: It is recommended that Athena's 17.5mm or 19mm Scooter carburetor be used with these bolt-on big bore kits.