Piston Ring (RM80) $ 55.00 SKU: 12140-20440-050 Piston ring set to suit RM80. Back to: Pistons & Rings ×Close Suzuki Manufacturers of automobiles, motorcycles and marine equipment. http://www.globalsuzuki.com/ Description Suit RM80 1982. Suit 48.5mm piston. Please check part number (SKU) on this page to confirm that it is the correct part you need. May also fit other models so please ask us or your dealer if not sure.