Engine
Top End Kits / Piston Kits
A top-end rebuild can help to improve the performance of your ride, keeping it running in peak condition. Namura's Top-End Kits include everything you need to get your ride operational again; pistons, a top-end gasket kit and wrist-pin bearings (where applicable) are all included in this convenient, time saving kit. Top End Kits
SEA DOO Model (PWC)
Years
Size
Oversize Piston Kit
Small End Con Rod
Top End Kit Part No
Explorer 580
1993
76mm STD 76.25mm +0.25 76.5mm +0.50 77mm +1.00 76mm STD 76.25mm +0.25 76.5mm +0.50 77mm +1.00
56-801
78-5602
56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0000_000.NM 56-T0000_025.NM 56-T0000_050.NM 56-T0000_100.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0001_000.NM 56-T0001_050.NM 56-T0004_000.NM 56-T0004_050.NM 56-T0004_000.NM 56-T0004_050.NM 56-T0004_000.NM 56-T0004_050.NM 56-T0004_000.NM 56-T0004_050.NM 56-T0004_000.NM 56-T0004_050.NM 56-T0004_000.NM 56-T0004_050.NM
(Twin Cylinder, Dual Ring)
SPX 580
1993
56-801
78-5602
(Twin Cylinder, Dual Ring)
GT 580
1990 - 91 76mm STD
56-801
(Twin Cylinder, Dual Ring)
76.25mm +0.25 76.5mm +0.50 77mm +1.00
GTS 580
1992 - 96 76mm STD
56-801
78-5602
(Twin Cylinder, Dual Ring)
76.25mm +0.25 76.5mm +0.50 77mm +1.00
GTX 580
1992 - 93 76mm STD
56-801
78-5602
(Twin Cylinder, Dual Ring)
76.25mm +0.25 76.5mm +0.50 77mm +1.00 76mm STD
SP 580
56-801
78-5602
(Twin Cylinder, Dual Ring)
1990 - 96 76.25mm +0.25
76.5mm +0.50 77mm +1.00
SPI 580 SPI 580
1991 - 92
78-5602 78-5602
1993 - 96 76mm STD
56-801
(Twin Cylinder, Dual Ring)
76.25mm +0.25 76.5mm +0.50 77mm +1.00 76mm STD 76.25mm +0.25 76.5mm +0.50 77mm +1.00
XP 580
1992
(Twin Cylinder, Dual Ring)
Explorer 650
1994 - 96 78mm STD
56-835
78-5600
(Twin Cylinder, Dual Ring)
78.5mm +0.50
GTX 650
1994 - 95 78mm STD
56-835
78-5600
(Twin Cylinder, Dual Ring)
78.5mm +0.50
Speedster 650
1994 - 95 78mm STD
56-835
78-5600
(Twin Cylinder, Dual Ring)
78.5mm +0.50
SPX 650
1994 - 95 78mm STD
56-835
78-5600
(Twin Cylinder, Dual Ring)
78.5mm +0.50 78mm STD 78.5mm +0.50
Sportster 650
1995
56-835
78-5600
(Twin Cylinder, Dual Ring)
XP 650
1993 - 95 78mm STD
56-835
78-5600
(Twin Cylinder, Dual Ring)
78.5mm +0.50 78mm STD 78.5mm +0.50
XPI 650
1994
56-835
78-5600
(Twin Cylinder, Dual Ring)
78-5601 * 78-5615 ** 78-5601 * 75-5615 ** 78-5601 * 78-5615 ** 78-5601 * 78-5615 ** 78-5601 * 78-5615 ** 78-5601 * 78-5615 **
Challenger 720
1998 - 01 82mm STD
78-W003_000.NT 78-W003_050.NT 78-W003_000.NT 78-W003_050.NT 78-W003_000.NT 78-W003_050.NT 78-W003_000.NT 78-W003_050.NT 78-W003_000.NT 78-W003_050.NT 78-W003_000.NT 78-W003_050.NT
(Twin Cylinder, Dual Ring)
82.5mm +0.50
Explorer 720
1997 - 02 82mm STD
(Twin Cylinder, Dual Ring)
82.5mm +0.50
GS 720 / GTS 720
1997 - 01 82mm STD
(Twin Cylinder, Dual Ring)
82.5mm +0.50 82mm STD 82.5mm +0.50 82mm STD 82.5mm +0.50
GSI 720
1997
(Twin Cylinder, Dual Ring)
SP 720
1997
(Twin Cylinder, Dual Ring)
GTI 720
1996 - 05 82mm STD
(Twin Cylinder, Dual Ring)
82.5mm +0.50
78-5601 * Short Pin Model Connecting Rod, 78-5616 ** Long Pin Model Connecting Rod
*Please visit our website for current prices
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
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