Don't be fooled by the imitators. DASA is the home of the ORIGINAL Superjet Big Bore Powervalve Cylinder. Dan Lamey has been developing and producing these cylinders for over 15 years. DASA (Dan Lamey) has a reputation of being the leader in watercraft development. DASA has helped to create numerous champions such as Nicolas Ruis, Eric Malone, Chris MacClugage, Alessander Lenzi, Tara Lahoe, Jeff Jacobs, Lee Stone, and many more. DASA Big Bore Powervalve Cylinders are the only cylinders trusted by Factory Yamaha Racing. If Factory Yamaha can trust DASA to put them on the top of the podium, so can you!
16mm/89mm Stroker Cylinder Kit Includes:
Stroke Size
Piston Size
85mm
89mm
90mm
91mm
Squish
Stock Stroke
772cc
846cc
865cc
885cc
.050"-.070"
5mm
828cc
N/A
6mm
840cc
920cc
941cc
963cc
8mm
863cc
945cc
967cc
988cc
10mm
970cc
992cc
1,014cc
12mm
901cc
995cc
1,018cc
1,040cc
16mm
1,045cc
1,069cc
1,093cc