Dynoman Performance - Austin Texas - Motorcycle Racing Parts 
Quick reference:
550cc 750cc ZX900    ZX10 KZ / GPz1100
600cc KZ900 KZ1000 ZX1100
650cc Pro Stock 1000J 1200cc

This page was updated on 12/19/2012

WisecoWISECO
Big Bore Kits for
Kawasaki Street Bikes

 

Displacement Bore Size
Stroke
Kit Part # Comp. Ratio    
ZX, KZ, GPZ550
1982-95
       
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) CFM20 Head Gasket
615cc

Sugg Retail $664.00
Dynoman $529.95

See also DP615z high compression kits HERE

 

2.402" or 61.00mm
3mm oversize
Stroke - 52.59mm
K615 10.25:1 Cylinder boring only
Piston: 4185M06100        Rings: 2402XA       Piston Pins: S394
Retainer Clips: CW14       CFM20 Head Gasket: W3162
ZX6R Ninja
1995-99
       
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
617cc

Discontinued by Wiseco.
Please contact us for options

2.638" or 67.00mm
1mm oversize
Stroke - 43.74
R613 11.8:1 Cylinder boring only
Piston: 4583M06700        Rings: 2638XA       Piston Pins: S554
Retainer Clips: CW16          Spring Steel Head Gasket: W5476
Optional: Base Gasket: W6050
ZX6R Ninja 2000-02          
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
618cc

Discontinued by Wiseco.
Please contact us for options

2.638" or 67.00mm
1mm oversize
Stroke - 43.80mm
CK108 13:1 Cylinder boring and re-plating required
Piston: 4700M06700        Rings: 2638XA       Piston Pins: S554
Retainer Clips: CW16          Spring Steel Head Gasket: W5476
Optional: Base Gasket: W6050
637cc

Discontinued by Wiseco.
Please contact us for options

2.677" or 68.00mm
2mm oversize
Stroke - 43.80mm
CK120 13.4:1 Cylinder boring and re-plating required
Piston: 4700M06800        Rings: 2677XA       Piston Pins: S554
Retainer Clips: CW16          Spring Steel Head Gasket: W5476
Optional: Base Gasket: W6050
ZX6R Ninja
2003-05 
       
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
636cc

Sugg Retail $646
Dynoman $519.95

2.677" or 68.00mm
STD
Stroke - 43.80mm
CK175 12.9:1 Cylinder deglazing required
Piston: 4874M06800            Rings: 2677XA      
Piston Pins: S686
Retainer Clips:   CW16      
Optional Spring Steel Head Gasket: W6359
662cc

Discontinued by Wiseco.
Please contact us for options

2.716" or 69.00mm
1mm oversize
Stroke - 43.80mm
CK176 13.1:1 Cylinder boring and re-plating required
Piston: 4874M06900
Rings: 2717XA
Piston Pins: S686
Retainer Clips:
Optional Spring Steel Head Gasket: W6360
674cc

Sugg Retail $698
Dynoman $539.95

 

2.756" or 70.00mm
2mm oversize
Stroke 43.80mm

CK202

13.35:1

Cylinder boring required, Cylinder replating required
 
ZX600P and R
2007-2010
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips
599cc

Discontinued by Wiseco.
Please contact us for options

 

67mm   13.8:1    
KZ650
1976-83
         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) CFM20 Head Gasket
700cc

Sugg Retail $675.00
Dynoman $529.95

 

2.520" or 64.00mm
2mm oversize
Stroke - 54.38
K700 10.25:1 Cylinder boring only
Piston: 4037M06400        Rings: 2520XC       Piston Pins: S522
Retainer Clips: CW15       CFM20 Head Gasket: W2486
ZN, KZ, GPZ 750 1980-85          
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) CFM20 Head Gasket
810cc

Sugg Retail $675.00
Dynoman $529.95

2.717" or 69.00mm
3mm oversize
Stroke - 54.14mm
K810 10.25:1 Cylinder boring only
Piston: 4186M06900        Rings: 2717XC       Piston Pins: S526
Retainer Clips: CW15      CFM20 Head Gasket: W3163
Optional Sleeve: KA686SL
ZX750 E1, Turbo          
Kit includes: (4) Pistons, Ring Sets, Piston Pins, and Retainer Clips.    Head Gasket not supplied with kit - Copper head gasket recommended
810cc

Sugg Retail $700
Dynoman $549.95

2.717" or 69.00mm
3mm oversize
Stroke - 54.14mm
P809B 8:1 Cylinder boring only
Piston: 4335M06900       
Rings: 2717XC      
Piston Pins: S529
Retainer Clips: CW16      
Optional Sleeve: KA686SL.
Kit does not include head
or base gaskets.

Buy Head Gasket only here>>

Buy P809B Kit
$549.95


Buy P809B Kit with Cometic CFM Head Gasket - $589.90

ZX750, ZX750R, ZX7 1991-95          
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
748cc

Discontinued by Wiseco.
Please contact us for options

2.795" or 71.00mm
Standard
Stroke - 47.24mm
R736 13:1 Cylinder deglazing required
Piston: 4516M07100        Rings: 2795XA       Piston Pins: S537
Retainer Clips: CW18      Spring Steel Head Gasket: W5534
Optional Base Gasket: W6051
 
765cc

By custom order only.
Please contact us for options

2.835" or 72.00mm
1mm oversize
Stroke - 47.24mm
R766 12:1 Cylinder boring only
Piston: 4518M07200        Rings: 2835XA       Piston Pins: S537
Retainer Clips: CW18      Spring Steel Head Gasket: W5534
Optional Base Gasket: W6051
 
ZX7R,
ZX7RR 
1996-03
         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
748cc

Discontinued by Wiseco.
Please contact us for options

2.874" or 73.00mm
Standard
Stroke - 49.7mm
CK110 13:1 Cylinder deglazing required
Piston: 4702M07300        Rings: 2874XA       Piston Pins: S537
Retainer Clips: CW18      Spring Steel Head Gasket: W5886
Optional Base Gasket: W6052
779cc

Sugg Retail $755
Dynoman $569.95

 

2.933" or 74.50mm
1.5mm oversize
Stroke - 49.7mm
CK111 12.5:1 Cylinder boring only
Piston: 4703M07450        Rings: 2933XA       Piston Pins: S537
Retainer Clips: CW18       Spring Steel Head Gasket: W5887
Optional Base Gasket: W6052
ZX9R
1994-97
         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
950cc

Sugg Retail $755
Dynoman $549.95

2.953" or 75.00mm
2mm oversize
Stroke - 53.74mm
R951 13:1 Cylinder boring only
Piston: 4591M07500        Rings: 2953XG       Piston Pins: S343
Retainer Clips: CW18       Spring Steel Head Gasket: W5440
Optional Base Gasket: W6051       Optional Sleeve: 3261FA
ZX9R
1998-99
         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
923cc

Discontinued by Wiseco.
Please contact us for options

2.992" or 76.00mm
1mm oversize
Stroke - 50.87mm
R923 12:1 Cylinder boring only
Piston: 4652M07600        Rings: 2992XG       Piston Pins: S343
Retainer Clips: CW18       Spring Steel Head Gasket: W5687
Optional Base Gasket: W6053
ZX9R
2000-03
         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
923cc

Discontinued by Wiseco.
Please contact us for options

2.992" or 76.00mm
1mm oversize
Stroke - 50.87mm
R923 12:1 Cylinder boring and re-plating required
Piston: 4652M07600        Rings: 2992XG       Piston Pins: S343
Retainer Clips: CW18      Spring Steel Head Gasket: W5687
Optional Base Gasket: W6053
GPZ900R Ninja, Eliminator thru 1987        
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) CFM20 Head Gasket
972cc

Sugg Retail $677
Dynoman $519.95

2.953" or 75.00mm
2.5mm oversize
Stroke - 55mm
K972 11:1 Cylinder boring only
Piston: 4415M07500        Rings: 2953XG       Piston Pins: S555
Retainer Clips: CW18      CFM20 Head Gasket: W3885
Optional Sleeve: KA863SL        Optional Base Gasket: W6055
ZX10-R
2004-07
         
Kit includes: (4) pistons, ring sets, Piston pins and Retainer Clips      
998cc

Sugg Retail $685
Dynoman $529.95

2.992" or 76.00mm
Standard
Stroke - 55mm
CK157 13.5:1 Cylinder boring and re-plating required
Piston: 4853M07600       Rings: 2992XG       Piston Pins: S688
Retainer Clips: CW17      Must use OEM Head Gasket
KZ1000J, KZ1000R 1981-83 (17mm pin)      
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) CFM20 Head Gasket
1075cc

Sugg Retail $700.00
Dynoman $539.95

2.835" or 72.00mm
2.5mm oversize
Stroke - 66mm
K1076 10.25:1 Cylinder boring only
Piston: 4548M07200        Rings: 2835XC       Piston Pins: S523
Retainer Clips: CW17      CFM20 Head Gasket: W3918
Optional  Base Gasket: W5026
1105cc

Sugg Retail $700.00
Dynoman $539.95

 

2.874" or 73.00mm
3.5mm oversize
Stroke - 66mm
K1106 10.25:1 Cylinder boring only
Piston: 4548M07300        Rings: 2874XC       Piston Pins: S523
Retainer Clips: CW17      CFM20 Head Gasket: W3918
Optional Base Gasket: W5026
GPZ1000RX
Ninja 1986-87
GTR1000 1986-00 (18mm pin)
     
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) CFM20 Head Gasket
1039cc

Sugg Retail $677
Dynoman $529.95

2.973" or 75.50mm
1.5mm oversize
Stroke - 58mm
K1039 11:1 Cylinder boring only
Piston: 4413M07550       Rings: 2973XG       Piston Pins: S555
Retainer Clips: CW18     CFM20 Head Gasket: W3885
ZX10, ZX1000 Ninja, Tom Cat 1988-89        
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
1039cc

Sugg Retail $711
Dynoman $569.95

 

2.973" or 75.00mm
1.5mm oversize
Stroke - 58mm
K1040 11:1 Cylinder boring only
Piston: 4445M07550        Rings: 2973XG       Piston Pins: S555
Retainer Clips: CW18      Spring Steel Head Gasket: W5533
Optional Base Gasket: W6055
ZX11 C1 1990-94         
ZX11 D1 1993-01         
ZZR1100 1990-01         
ZRX1100 1997-01         
GPZ1100 1995-97         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
1109cc

Sugg Retail $755
Dynoman $589.95

 

3.071" or 78.00mm
2mm oversize
Stroke - 58mm
R1052 12:1 Cylinder boring only
Piston: 4578M07800       Rings: 3071XG       Piston Pins: S524
Retainer Clips: CW18     Spring Steel Head Gasket: W5486
Optional Base Gasket: W6057
KZ900, KZ1000, KZ1000 ST
thru 1980
 
     
Z1R, Z2R 1977-80       
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Overbore Head Gasket
Base gaskets and sleeves are supplied as noted        
1015cc

Sugg Retail $678
Dynoman $519.95

2.756" or 70.00mm
Standard for KZ1000
4mm oversize for KZ900
Stroke - 65.93mm
K1015 10.25:1 Cylinder boring only for KZ900        Drop in kit for KZ1000
Piston: 4020M07000       Rings: 2756XC       Piston Pins: S523
Retainer Clips: CW17     CFM20 Head Gasket: W3917   Fiber Base Gasket: W5380
Optional:   Sleeve: KA627SL,
1045cc

Sugg Retail $678
Dynoman $519.95

2.795" or 71.00mm
1mm oversize for KZ1000
5mm oversize for KZ900
Stroke - 65.93mm
K1045 10.25:1 Cylinder boring only
Piston: 4022M07100       Rings: 2795XC       Piston Pins: S523
Retainer Clips: CW17     CFM20 Head Gasket: W3917   Fiber Base Gasket: W5380
Optional:   Sleeve: KA627SL,
1075cc

Sugg Retail $678
Dynoman $519.95

2.835" or 72.00mm K10751
Stroke - 65.93mm
K1075-1 10.25:1 Cylinder boring only. Resleeving required for KZ900, 2mm oversize for KZ1000
Piston: 4052M07200 $152.00
Rings: 2835XC
Piston Pins: S523
Stroke - 65.93mm
Retainer Clips: CW17
CFM20 Head Gasket: W3918
Fiber Base Gasket: W5380  Optional: Sleeve: KA627SL,
1075cc

Sugg Retail $967
Dynoman $699.95

2.835" or 72.00mm
2mm oversize for KZ1000
Stroke - 65.93mm
K1075 10.25:1 Re-sleeving required for KZ900
Piston: 4052M07200      Rings: 2835XC       Piston Pins: S523
Retainer Clips: CW17    CFM20 Head Gasket: W3918   Fiber Base Gasket: W5380
Sleeve: KA627SL
1075cc

Sugg Retail $707
Dynoman $549.95

2.835" or 72.00mm
2mm oversize for KZ1000
Stroke - 65.93mm
R1075 12:1 Re-sleeving required for KZ900  Cylinder boring only for KZ1000
Piston: 4227M07200      Rings: 2835XC       Piston Pins: S523
Retainer Clips: CW17    CFM20 Head Gasket: W3918   Fiber Base Gasket: W5380
Optional:   Sleeve: KA627SL,
1105cc

Sugg Retail $975.00
Dynoman $729.95

2.874" or 73.00mm
3mm oversize for KZ1000
Stroke - 65.93mm
K1105 10.25:1 re-sleeving and crankcase cleanup required for KZ900
Piston: 4052M07200      Rings: 2874XC       Piston Pins: S523
Retainer Clips: CW17    CFM20 Head Gasket: W3918   Fiber Base Gasket: W5380
Sleeve: KA629SL,
1135cc

Sugg Retail $975.00
Dynoman $729.95

2.913" or 74.00mm
4mm oversize for KZ1000
Stroke - 65.93mm
K1135 10.25:1 re-sleeving and crankcase cleanup required
Piston: 4052M07400      Rings: 2913XC       Piston Pins: S523
Retainer Clips: CW17    CFM20 Head Gasket: W3918   Fiber Base Gasket: W5380
Sleeve: KA629SL,
1197cc

Sugg Retail $975.00
Dynoman $729.95

2.992" or 76.00mm
6mm oversize for KZ1000
Stroke - 65.93mm
K1200 10.25:1 re-sleeving and crankcase cleanup required
Piston: 4177M07600     Rings: 2992XG       Piston Pins: S523
Retainer Clips: CW17    CFM20 Head Gasket: W3919   Fiber Base Gasket: W5380
KA629SL,
1197cc

Discontinued by Wiseco.
Please contact us for options
2.992" or 76.00mm
6mm oversize for KZ1000
Stroke - 65.93mm
P1200 13.5:1 re-sleeving and crankcase cleanup required    Racing only
Piston: (Left):  4076M07600     Rings: 2992XG       Piston Pins: S557
Piston: (Right): 4077M07600   Retainer Clips: CW17       Copper Head Gasket: W2743 
Copper Base Gasket: W5026     Optional Sleeve: KA629SL,
1327cc

Discontinued by Wiseco.
Please contact us for options

3.150" or 80.00mm
10mm oversize for KZ1000
Stroke - 65.93mm
K1325 10.25:1 re-sleeving and crankcase cleanup and W3715-1 Big Block required
Piston: (Left):  4287M08000     Rings: 3150XG       Piston Pins: S523
Retainer Clips: CW17       CFM20 Head Gasket: W3921 
Fiber Base Gasket: W5364     Optional Sleeve: KA773SL, 3031FA
1393cc

Discontinued by Wiseco.
Please contact us for options

3.228" or 82.00mm
12mm oversize for KZ1000
Stroke-  65.93mm
K1385 10.25:1 re-sleeving and crankcase cleanup and W3715-1 Big Block required
Piston:  4287M08200     Rings: 3228XG       Piston Pins: S523   Retainer Clips: CW17   
CFM20 Head Gasket: W3922  Fiber Base Gasket: W5364   Sleeve: KA773SL, 3031FA
1393cc

Discontinued by Wiseco.
Please contact us for options

3.228" or 82.00mm
12mm oversize for KZ1000
Stroke - 65.93mm
P1385B 8:1 re-sleeving and crankcase cleanup and W3715-1 Big Block required  Turbo application
Piston:  4263M008200     Rings: 3228XG       Piston Pins: S557   Retainer Clips: CW17   
Copper Head Gasket: W5947  Fiber Base Gasket: W5364  
Optional Sleeve: KA773SL, 3031FA   
1428cc

Sugg Retail $672
Dynoman $589.95

3.268" or 83.00mm
13mm oversize for KZ1000
Stroke - 65.93mm
P1425 13.5:1 re-sleeving and crankcase cleanup and W3715-1 Big Block required  Drag Racing Only
Piston: (Left):  4248M08300     Rings: 3268XG       Piston Pins: S557  Retainer Clips: CW17 
Piston: (Rignt): 4249M08300  Copper Head Gasket: W5948
Optional Sleeve: KA773SL, 3031FA
1428cc

Discontinued by Wiseco.
Please contact us for options

 

3.268" or 83.00mm
13mm oversize for KZ1000
Stroke - 65.93mm
P1425B 8:1 re-sleeving and crankcase cleanup and W3715-1 Big Block required  Turbo application
Piston:  4264M08300     Rings: 3268XG       Piston Pins: S557   Retainer Clips: CW17   
Copper Head Gasket: W5948  Optional Sleeve: KA773SL, 3031FA
KZ, GPZ, Pro Stock Gas Ported (2-Valve)        
Kit includes: (4) Pistons with 450 Angle Domes, 17mm Pin Holes, Ring Sets, Piston Pins and Retainer Clips - Gaskets not included
1428cc

Discontinued by Wiseco.
Please contact us for options
3.268" or 83.00mm
13mm oversize
Stroke - 65.93mm
P1428 13.5:1 Pro Stock - Drag Racing only   Extensive cylinder head machining required
Piston:  4566M08300     Rings: 3268XG       Piston Pins: S557   Retainer Clips: CW17    
Optional Base Gasket: W5363       Big Block required
1497cc

Discontinued by Wiseco.
Please contact us for options

 

3.347" or 85.00mm
15mm oversize for KZ1000
Stroke - 65.93mm
P1494 13.5:1 Pro Stock - Drag Racing only   Extensive cylinder head machining required
Piston:  4563M08500     Rings: 3347XC       Piston Pins: S557   Retainer Clips: CW17    
Optional Base Gasket: W5363              Big Block required
GPZ1100 1981-82 (17mm pin)          
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, (1) CFM20 Head Gasket and (1) Fiber Base Gasket
1135cc

Sugg Retail $679
Dynoman $509.95

2.913" or 74.00mm
1.5mm oversize
Stroke - 65.99mm
K1136 10.25:1 Cylinder boring only
Piston:  4256M07400     Rings: 2913XC       Piston Pins: S523   Retainer Clips: CW17    
Composite Head Gasket: W3918    Fiber Base Gasket: W5496 
Optional:   Sleeve: KA629SL, 3030FA
1166cc

Sugg Retail $679
Dynoman $509.95

2.913" or 75.00mm
2.5mm oversize
Stroke - 65.99mm
K1171
 
10.25:1 Cylinder boring only
Piston:  4255M07500     Rings: 2953XG       Piston Pins: S523   Retainer Clips: CW17    
CFM-20 Head Gasket: W5963    Fiber Base Gasket: W5496 
Optional:   Sleeve: KA629SL, 3030FA
KZ1100, GPZ1100, GPZX1100, ZX1100 1983-84 (18mm pin)      
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, (1) CFM20 Head Gasket and (1) Fiber Base Gasket
1170cc

Sugg Retail $691
Dynoman $519.95

2.953" or 75.00mm
2.5mm oversize
Stroke - 66.2mm
K1173 9.5:1 Cylinder boring only
Piston:  4380M07500     Rings: 2953XG       Piston Pins: S555   Retainer Clips: CW18    
CFM-20 Head Gasket: W5963    Fiber Base Gasket: W5496 
Optional:   Sleeve: KA629SL, 3030FA
1170cc

Sugg Retail $691
Dynoman $519.95

2.953" or 75.00mm
2.5mm oversize
Stroke - 66.2mm
K1172 10.25:1 Cylinder boring only
Piston:  4302M07500     Rings: 2953XG       Piston Pins: S555   Retainer Clips: CW18    
CFM-20 Head Gasket: W5963    Fiber Base Gasket: W5496 
Optional:   Sleeve: KA629SL, 3030FA
1262cc

Discontinued by Wiseco.
Please contact us for options

 

3.071" or 78.00mm
5.5mm oversize
Stroke - 66.2mm
K1262 10.25:1 re-sleeving required
Piston:  4304M07800     Rings: 3071XG       Piston Pins: S555   Retainer Clips: CW18    
Composite Head Gasket: W3920    Fiber Base Gasket: W5496  Sleeve: KA750SL, 3010FA
 
ZX12R
2000-05
         
Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket
1198cc

Sugg Retail $752
Dynoman $569.95

3.2677" or 83.00mm
STD Bore
Stroke - 55.40mm
CK132 13.5:1 Cylinder deglazing required
Piston:  4765M08300     Rings: 3268XG       Piston Pins: S527   Retainer Clips: CW21    
Spring Steel Head Gasket: C8642
Optional Base Gasket: W6058     
1272cc

Discontinued by Wiseco.
Please contact us for options

3.3661" or 85.50mm
2.5mm oversize
Stroke - 55.40mm
CK133 13.5:1 Cylinder boring and re-plating required
Piston:  4766M08550     Rings: 8550XX       Piston Pins: S527   Retainer Clips: CW21    
Spring Steel Head Gasket: W6037  
Optional Base Gasket: W6058    

Prices as of 1/1/2012

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 

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