Base flange cylinder (5mm) Polini for the following applications: Aprilia Area 51 / Rally 50 LC / Sonic 50 GP (CY) / SR 50 2T LC Stealth, Racing, Netscaper / SR 50 2T (mod.94, 95, 96) H2O / SR 50 2T WWW / Benelli RR / Racing / SP / Sport 491 50 / K2 50 LC / Beta Ark 50 LC, Series K / Eikon 50 / Italjet Dragster 50 LC / Malaguti F 12 50 Phantom LC / F 15 50 H2O Firefox / MBK Nitro 50 H2O / Nitro 50 H2O (1996->) / Yamaha Aerox 50 2T H2O / Aerox 50 2T H2O (2004->) / Jog 50 LC RR.
This flange is necessary if a long stroke crankshaft of 85 mm (210.0022) is manufactured in combination with a racing cylinder with a stroke of 80 mm. Delivered with four pins.
Technical specifications:
- Thickness: 5 mm.
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