Cast Piston Kit

This is a very high quality cast aluminum alloy piston. This kit comes with the piston, Riken rings, 21.5mm wrist pin and pin clips.

These pistons are available in Port and Starboard in sizes STD, .010″, .020″, .030″ and .040″ oversize as well as coated / uncoated options. Please use the dropdowns to select the options you need.

For models with 6E5 connecting rod

Fits:

Yamaha 2-stroke

115hp 1984-92
130hp 1984-92
150hp 1984-92
175hp 1984-92
200hp 1984-91
225hp 1984-91

To order, select your desired options, then enter the quantity and click “add to cart”. Most standard and oversize pistons are in stock however some sizes may be on a short backorder from time to time. Please don’t hesitate to contact us for assistance.

Replaces: 6G5-11642-00-93, 6G5-11642-00-94, 6K7-11642-01-93, 6K7-11642-01-92, 6K7-11642-00-94, 6K7-11642-00-95, 6K7-11642-01-94, 6G5-11631-00-93, 6K7-11631-01-92, 6K7-11631-01-93, 6K7-11631-00-94, 6K7-11631-00-95, 6K7-11631-01-94