Naraku 70cc Performance Cylinder & Piston Kit | Minarelli

Naraku 70cc Performance Cylinder & Piston Kit | Minarelli. Compatible with Adly: Thunder Bike 50.

Specifications

• Black anodized aluminum cylinder (47mm bore)
• Displacement: 70cc (with stock crankshaft)
• Cylinder Bore: 47mm
• Cylinder Sleeve Outer Diameter: 50.5mm
• Wrist Pin Diameter: 10mm
• Engine Type: Air-cooled horizontal Minarelli 2-stroke
• Other scooters with air-cooled horizontal Minarelli 2-stroke engines
• Bump your air-cooled horizontal Minarelli 2-stroke to 70cc with the Naraku 70cc Big Bore Cylinder Kit . This complete kit includes a black anodized aluminum cylinder, low-friction molybdenum-coated flat-top piston, piston rings, 10mm wrist pin, circlips, head gasket, base gasket, and exhaust gasket — everything needed for the bore-up. When used with a stock crankshaft, total displacement comes out to 70cc

Compatible With

• CPI: Oliver 50, Hussar 50, Popcorn 50
• Genuine: Buddy 50, RoughHouse 50
• Yamaha: Jog 50 (1992–2001), Zuma (2002–2011), Vino 2T
• Compatible with a stock or performance exhaust. Can be used with the stock cylinder head for higher compression, or with a larger 70cc head. Note: if used with the stock head, the electric starter may have difficulty turning over the engine due to increased compression

Product Details

• Molybdenum-coated flat-top piston with Naraku logo
• Piston rings
• Circlips (x2)
• Head gasket
• Base gasket
• Exhaust gasket
• Adly: Thunder Bike 50
• Aprilia: Scarabeo 50 (1993–2006), SR50 (1994–2002)
• Benelli: Pepe 50, Andretti 50
• E-Ton: Beamer 2
• Malaguti: Ciak 50 (2002–2005), F10, F12 AC, F15 AC, Yesterday 50 (2001–2006)
• MuZ/MZ-Moskito: RX50, SX50
• Kit Contents
• Technical Specifications
• Model Compatibility

Important Notes

• 10mm wrist pin (wrist pin bearing not included)
• Wrist Pin Bearing: Not included
• Engine case modification may be required to accommodate the larger cylinder

Shipping & Use Restrictions

• For off-road and closed-course competition use only. Not intended for use on public roads or land
• California Prop 65 Warning: www.p65warnings.ca.gov