Yamaha outboard parts *Lower unit drawings

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Yamaha piston V-4 V-6 engine application chart

GLM Marine aftermarket Yamaha piston help application chart. Standard piston or rings and (oversize pistons with .025 or 50mm) bore powerheads

Exploded view lower unit drawings
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V4 & V-6 Engines
Port
Standard
Piston
Stbd.
Standard
Piston
Port
.25mm
Piston
Stbd
.25MM
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 $99.29

018-41290 $92.29

018-41300 $90.29

018-41310 $59.29

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 $76.29

018-40810 $76.29

018-40820 $108.29

018-40830 $108.29

Yamaha outboard piston and rings
Yamaha outboard piston and rings