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Piston Kits for  Watercraft
Jet Ski JS300 '86-88, JS300SX '87-91
Crankcase cleanup needed for WK1029 & WK1030
kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1026 |
295cc |
76mm/std. |
$ 110.95 |
$ 89.95 |
|
WK1027 |
299cc |
76.5mm/.020 |
$ 110.95 |
$ 89.95 |
|
WK1028 |
303cc |
77mm/.040 |
$ 110.95 |
$ 89.95 |
|
WK1029 |
307cc |
77.5mm/.060 |
$ 110.95 |
$ 89.95 |
|
WK1030 |
311cc |
78mm/.080 |
$ 110.95 |
$ 89.95 |
|
| JS440's '77-90, JS440SX '91-92 |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1000 |
436cc |
68mm/std. |
$ 198.95 |
$ 159.95 |
|
WK1001 |
439cc |
68.25mm/.010 |
$ 198.95 |
$ 159.95 |
|
WK1002 |
442cc |
68.5mm/.020 |
$ 198.95 |
$ 159.95 |
|
WK1003 |
449cc |
69mm/.040 |
$ 198.95 |
$ 159.95 |
|
WK1004 |
455cc |
69.5mm/.060 |
$ 198.95 |
$ 159.95 |
|
WK1005 |
462cc |
70mm/.080 |
$ 198.95 |
$ 159.95 |
|
JS440 '77-90, JS440SX '91-92 Big Bore Kit
For use in aluminum cylinders only, sleeving
needed |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1006 |
475cc |
71mm/std. |
$ 214.95 |
$ 179.95 |
|
WK1007 |
481cc |
71.5mm/.020 |
$ 214.95 |
$ 179.95 |
|
WK1008 |
488cc |
72mm/.040 |
$ 214.95 |
$ 179.95 |
|
WK1009 |
496cc |
72.5mm/.060 |
$ 214.95 |
$ 179.95 |
|
WK1010 |
502cc |
73mm/.080 |
$ 214.95 |
$ 179.95 |
|
JS550/SX '82-90
Supplied with copper head gasket. Crankcase cleanup
needed for WK1014 & WK1015 kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1011 |
531cc |
75mm/std. |
$ 223.95 |
$ 183.64 |
|
WK1012 |
537cc |
75.5mm/.020 |
$ 223.95 |
$ 183.64 |
|
WK1013 |
544cc |
76mm/.040 |
$ 223.95 |
$ 183.64 |
|
WK1014 |
551cc |
76.5mm/.060 |
$ 223.95 |
$ 183.64 |
|
WK1015 |
559cc |
77mm/.080 |
$ 223.95 |
$ 183.64 |
|
JS550/SX '91-96
Crankcase cleanup needed for WK1048 kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1045 |
531cc |
75mm/std. |
$ 223.95 |
$ 183.64 |
|
WK1046 |
537cc |
75.5mm/.020 |
$ 223.95 |
$ 183.64 |
|
WK1047 |
544cc |
76mm/.040 |
$ 223.95 |
$ 183.64 |
|
WK1048 |
551cc |
76.5mm/.060 |
$ 223.95 |
$ 183.64 |
|
WK1049 |
559cc |
77mm/.080 |
$ 223.95 |
$ 183.64 |
|
JS550/SX (Reed Cutaway) '91-96
Crankcase cleanup needed for WK1057 kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1054 |
531cc |
75mm/std. |
$ 221.95 |
$ 182.00 |
|
WK1055 |
537cc |
75.5mm/.020 |
$ 221.95 |
$ 182.00 |
|
WK1056 |
544cc |
76mm/.040 |
$ 221.95 |
$ 182.00 |
|
WK1057 |
551cc |
76.5mm/.060 |
$ 221.95 |
$ 182.00 |
|
WK1058 |
559cc |
77mm/.080 |
$ 221.95 |
$ 182.00 |
|
JB650 Jet Mate '89-92, JL650SC '91-95,
JF650TS '89-96, JF650X-2 '86-95, JS650SX '87-93
Crankcase cleanup needed for WK1019 & WK1020
kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1016 |
635cc |
76mm/std. |
$ 221.95 |
$ 182.00 |
|
WK1017 |
643cc |
76.5mm/.020 |
$ 221.95 |
$ 182.00 |
|
WK1018 |
657cc |
77mm/.040 |
$ 221.95 |
$ 182.00 |
|
WK1019 |
660cc |
77.5mm/.060 |
$ 221.95 |
$ 182.00 |
|
WK1020 |
668cc |
78mm/.080 |
$ 221.95 |
$ 182.00 |
|
WK1021 |
701cc |
80mm/.140 |
$ 221.95 |
$ 182.00 |
|
JH750SS/Xi/XiR '92-95, JS750SX '92-95,
JT750ST '94-95
Crankcase cleanup needed for WK1090 & WK1091
kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1059 |
743cc |
80mm/std. |
$ 221.95 |
$ 182.00 |
|
WK1060 |
752cc |
80.5mm/.020 |
$ 221.95 |
$ 182.00 |
|
WK1061 |
760cc |
81mm/.040 |
$ 221.95 |
$ 182.00 |
|
WK1062 |
771cc |
81.5mm/.060 |
$ 221.95 |
$ 182.00 |
|
WK1063 |
779cc |
82mm/.080 |
$ 221.95 |
$ 182.00 |
|
WK1090 |
795cc |
83mm/.140 |
$ 221.95 |
$ 182.00 |
|
WK1091 |
840cc |
85mm/.200 |
$ 221.95 |
$ 182.00 |
|
WK1092 |
849cc |
85.5mm/.120 |
$ 221.95 |
$ 182.00 |
|
| JH750ZXi, JS750SXi, JT750STS '95-97, JS750SXi Pro
'98-00, JT750STX '98 |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1095 |
743cc |
80mm/std. |
$ 229.95 |
$ 188.56 |
|
WK1099 |
779cc |
82mm/.080 |
$ 229.95 |
$ 188.56 |
|
WK1284 |
795cc |
83mm/.120 |
$ 229.95 |
$ 188.56 |
|
WK1285 |
820cc |
84mm/.160 |
$ 229.95 |
$ 188.56 |
|
JH750ZXi, JS750SXi, JT750STS '95-97, JS750SXi Pro
'98-00, JT750STX '98 - XPS / E - Coated
Crankcase cleanup & resleeving needed for
WK1261, WK1262 & WK1263 kits. |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1241 |
743cc |
80mm/std. |
$ 249.95 |
$ 204.96 |
|
WK1242 |
752cc |
80.5mm/.020 |
$ 249.95 |
$ 204.96 |
|
WK1243 |
760cc |
81mm/.040 |
$ 249.95 |
$ 204.96 |
|
WK1244 |
771cc |
81.5mm/.060 |
$ 249.95 |
$ 204.96 |
|
WK1245 |
779cc |
82mm/.080 |
$ 249.95 |
$ 204.96 |
|
WK1261 |
795cc |
83mm/.120 |
$ 249.95 |
$ 204.96 |
|
WK1262 |
820cc |
84mm/.160 |
$ 249.95 |
$ 204.96 |
|
WK1263 |
830cc |
84.5mm/.180 |
$ 249.95 |
$ 204.96 |
|
| JH900ZXi '95-97, JT900STX '97-00 |
Kit Number |
Displacement |
Bore |
MSRP Price |
Our Price |
Buy |
WK1100 |
891cc |
73mm/std. |
$ 322.95 |
$ 264.82 |
|
WK1101 |
903cc |
73.5mm/.020 |
$ 322.95 |
$ 264.82 |
|
WK1102 |
915cc |
74mm/.040 |
$ 322.95 |
$ 264.82 |
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