Thread Size: M8. Aprilia: Rally 50 LC, Scarabeo (98-04), Scarabeo (-98), Scarabeo 50 Di-Tech up to 07.03, RX 50 (99-05) AM6, MX 50 (-2005) AM6, RX 50 (2006-), Scarabeo 100 2T. Yamaha: DT 50 (2003-), DT 50 (95-02) AM6, DT 50 R (89-97).
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