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BEARINGS
TOP END
BEARINGS
TOP END
BEARINGS
50
FUEL
SYSTEMS
ENGINE/
GASKETS
EXHAUST
DRIVE LINE
HANDLING
ELECTRICAL
WATERLINE
/BILGE
STEERING
& CONTROLS
BODY
ACCESSORIES
SERVICE TOOLS
/HARDWARE
CHEMICAL
FREESTYLE
RACING
FOUR
STROKE
STD
NIKS/PRO-X PISTON KITS
Niks/Pro-X Piston Kits are manufactured in Japan and are
designed to be an O.E.M. replacement. The aluminum alloy
used in the manufacturing of Pro-X pistons maintains or
exceeds the factory specifications. Additional oversizes are
available in .010 increments
up to .080 (2.00 mm).
* - Rings are available for all pistons. For Rings Part Number,
put “R” after piston part number.
.010 .020 .030 .040 .050 .060 .070 .080
.25mm .50mm .75mm 1mm 1.25mm 1.5mm 1.75mm 2mm
.010 .020 .030 .040 .050 .060 .070 .080
.25mm .50mm .75mm 1mm 1.25mm 1.5mm 1.75mm 2mm
Std. Bore
SEA DOO
580 All thru 1996
720 HX, XP, GTS, GS
SPX, GTI, GSI ‘1995-02
800 XP
GSX, GTX, RFI
SPX 1995-02
951 XPL, GSXL, GTXL,
RX, LRV 1997-07
76.00
82.00
82.00
88.00
8020
8040
8050
8060
8021
8041
8051
8061
8022
8042
8052
8062
8023
8043
8053
8063
8024
8044
8054
8064
8026
8046
8056
650 All Thru 1996
701 All Thru 2007
760 All Thru 1998
1100 Wave Raider ‘95-97
Wave Venture 1996-97
1200/GP1200All thru ‘98
800 All thru 2002
GP1200 R 2000-02
XL1200 LTD 1998-00
XLT1200 2001-02
GP1300 R 2003-07
77.00
81.00
84.00
81.00
84.00
79.90
79.91
79.92
83.90
83.91
83.92
7090
7110
7090
7110
7170A
7170B
7170C
7190A
7190B
7190C
7101
7091
7111
7091
7111
7092
7112
7092
7112
7103
7093
7113
7093
7113
7094
7114
7094
7114
7105
7106
7096
7116
7096
7116
7098
7118
7098
7118
JS-440 1976-90
JS-550 1982-90
JS, JF-650 1986-96
JS-750 SS, XS, Xi 1993-97
JS-750 ZXi, SXi ‘95-98
800SX-R 2003-07
JS-900 ZXi, STX 1995-06
JS-1100 ZXi 1996-98
Ultra 180 99-05
STX-R1200 2002-05
68.00
75.00
76.00
80.00
80.00
82.00
80.00
80.00
79.87
79.88
79.89
4470
4480
4490
4510
4500
4490
4520A
4520B
4520C
4451
4471
4481
4491
4511
4501
4491
4482
4492
4512
4502
4492
4453
4463
4473
4483
4493
4513
4503
4493
4454
4484
4494
4514
4504
4494
4455
4465
4475
4505
4495
4456
4466
4486
4496
4506
4496
4457
4467
4477
4487
4458
4468
4478
4488
.010 .020 .030 .040 .050 .060 .070 .080
.25mm .50mm .75mm 1mm 1.25mm 1.5mm 1.75mm 2mm
Std. Bore
Std. Bore
YAMAHA
KAWASAKI
STD
STD
STD
STD
STD
50-4185
50-4184
50-4184
01343
50-3302
50-3483
50-3483
50-3483
50-3483
01343
50-3122
50-3122
50-3272
50-3302
50-3304
50-3304
50-3302
50-3304
50-4186