Yamaha pistons and rings

V4 & V-6 Engines	Port Standard Piston	Stbd. Standard Piston	Port .25mm Piston	Stbd .25MM Piston	Port .50MM piston	Stbd .50MM piston
115 hp. w/22mm wrist pin V-4 years 1984 - 86, 1987 - 1992 130 hp. w/22mm wrist pin V-4 years 1984 - 1992   150 hp. 175 hp. w/22mm wrist pin V6 years 1984 -1992 200 hp., 225 hp. w/22mm wrist pin V-6 years 1984 - 1992 SPECIAL J,K,LN,XN (6G7) V-6 years 1984 - 1986	018-41280 $101.98	018-41290 $101.98	018-41300 $101.98	018-41310 $101.98	018-41320 $101.98	018-41330 $101.98
115 hp. w/23mm wrist pin V-4 years 1995 - 2003 130 hp. w/23mm wrist pin V-4 years 1993 - 2003   150 hp. 175 hp. w/23mm wrist pin V6 years 1993 -1999 200 hp., 225 hp. w/22mm wrist pin V-6 years 1993 - 1999	018-40800 $93.98	018-40810 $93.98	018-40820 $93.98	018-40830 $93.98	018-40840 $93.98	018-40850 $93.98