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 July 21, 2014

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 $700.00
Dynoman $559.95

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 $675.00
Dynoman $549.95

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 $725.00
Dynoman $579.95

 

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 $700.00
Dynoman $559.95

 

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 $549.95

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 $700.00
Dynoman $559.95

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
$559.95


Buy P809B Kit with Cometic CFM Head Gasket - $614.29

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 $775.00
Dynoman $599.95

 

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 $775.00
Dynoman $599.95

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $559.95

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 $559.95

 

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 $700.00
Dynoman $559.95

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 $725.00
Dynoman $589.95

 

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 $775.00
Dynoman $609.95

 

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $975.00
Dynoman $799.95

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 $750.00
Dynoman $619.95

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 $799.95

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 $799.95

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 $799.95

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $700.00
Dynoman $559.95

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 $775.00
Dynoman $609.95

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 7/21/2014

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 

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