SX/TV/Li/Lis Horncast base. This fits between the bottom of horncast and mudguard.
Reed block (reed valve) petals for Yamaha RD350 type reed blocks.
0.5mm Magneto house gasket for series 1, 2, 3 & Gp/Dl. made by Mb
Standard 58mm stroke 107mm conrod Li/Sx crankshaft, made by Sip