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Home
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Pistons and related
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Wiseco
» Pistons - Yamaha 2 Stroke
Pistons - Yamaha 2 Stroke
$65.94 to $156.94
Retail Price
$92.95 to $219.95
Forged from high-silicon aluminum alloy for maximum strength and dependability
Durability, longevity and increased horsepower
Innovative forging design and piston skirt provide maximum horsepower and torque
Available in Standard size or oversize
All Wiseco piston kits are supplied with Piston, Ring and circlips.
Wrist Pins are included in most kits.
This item qualifies for free
shipping on orders over $125
details
select:
PLEASE SELECT FROM THIS LIST ....
YSR50 thru 1992: 40.00mm ($73.94)
YSR50 thru 1992: 40.50mm ($73.94)
YSR50 thru 1992: 41.00mm ($73.94)
YSR50 thru 1992: 41.50mm ($79.94)
YSR50 thru 1992: 42.00mm ($79.94)
YSR50 Big Bore 3mm Oversize thru 1992: 43.00mm ($78.94)
YSR50 Big Bore 3mm Oversize thru 1992: 43.50mm ($78.94)
YSR50 Big Bore 3mm Oversize thru 1992: 44.00mm ($78.94)
PW50 85-09: 40.00mm ($65.94)
PW50 85-09: 40.25mm ($65.94)
PW50 85-09: 40.50mm ($65.94)
PW50 85-09: 41.00mm ($65.94)
PW50 85-09: 41.50mm ($71.94)
PW50 85-09: 42.00mm ($74.94)
MX80 80-82: 47.00mm ($94.94)
MX80 80-82: 47.50mm ($94.94)
MX80 80-82: 48.00mm ($94.94)
MX80 80-82: 48.50mm ($103.94)
TY80 74-75: 47.00mm ($94.94)
TY80 74-75: 47.50mm ($94.94)
TY80 74-75: 48.00mm ($94.94)
TY80 74-75: 48.50mm ($103.94)
GT1 73-75: 47.00mm ($94.94)
GT1 73-75: 47.50mm ($94.94)
GT1 73-75: 48.00mm ($94.94)
GT1 73-75: 48.50mm ($103.94)
PW80 thru 2006: 47.00mm ($67.94)
PW80 thru 2006: 47.50mm ($67.94)
BW80 86-88: 48.00mm ($67.94)
BW80 86-88: 48.50mm ($74.94)
BW80 86-88: 49.00mm ($74.94)
BW80 1990: 48.00mm ($67.94)
BW80 1990: 48.50mm ($74.94)
BW80 1990: 49.00mm ($74.94)
YZ80 74-75: 47.00mm ($94.94)
YZ80 74-75: 47.50mm ($94.94)
YZ80 74-75: 48.00mm ($94.94)
YZ80 74-75: 48.50mm ($103.94)
YZ80 76-80: 49.00mm ($114.94)
YZ80 76-80: 49.50mm ($117.94)
YZ80 76-80: 50.00mm ($114.94)
YZ80 76-80: 50.50mm ($126.94)
YZ80 76-80: 51.00mm ($126.94)
YZ80 1981: 49.00mm ($128.94)
YZ80 1981: 49.50mm ($128.94)
YZ80 1981: 50.00mm ($128.94)
YZ80 1981: 50.50mm ($141.94)
YZ80 1981: 51.00mm ($141.94)
YZ80 82-83: 47.00mm ($98.94)
YZ80 82-83: 47.50mm ($98.94)
YZ80 82-83: 48.00mm ($98.94)
YZ80 82-83: 48.50mm ($107.94)
YZ80 82-83: 49.00mm ($107.94)
YZ80 84: 48.00mm ($111.94)
YZ80 84: 48.50mm ($111.94)
YZ80 84: 49.00mm ($111.94)
YZ80 84: 50.00mm ($122.94)
YZ80 85-87: 48.00mm ($103.94)
YZ80 85-87: 48.50mm ($98.94)
YZ80 85-87: 49.00mm ($98.94)
YZ80 85-87: 49.50mm ($108.94)
YZ80 85-87: 50.00mm ($108.94)
YZ80 88-92: 48.00mm ($89.94)
YZ80 88-92: 48.50mm ($89.94)
YZ80 88-92: 49.00mm ($89.94)
YZ80 88-92: 49.50mm ($98.94)
YZ80 88-92: 50.00mm ($98.94)
YZ80 93-01 International Bore: 46.00mm ($87.94)
YZ80 93-01: 47.00mm ($79.94)
YZ80 93-01: 47.50mm ($79.94)
YZ80 93-01: 48.00mm ($79.94)
YZ80 93-01: 48.50mm ($91.94)
YZ80 93-01: 49.00mm ($91.94)
YZ80 93-01: Racers Choice Supermini: 52.50mm ($98.94)
YZ85 02-10: 47.50mm ($71.94)
YZ85 02-10: 48.00mm ($71.94)
YZ85 02-10: 48.50mm ($71.94)
YZ85 02-10: 49.50mm ($78.94)
YZ85 02-10: Racers Choice Supermini: 52.50mm ($98.94)
LT100: 52.00mm ($117.94)
LT100: 52.50mm ($117.94)
LT100: 53.00mm ($117.94)
LT100: 53.50mm ($129.94)
LT100: 54.00mm ($129.94)
MX100: 52.00mm ($117.94)
MX100: 52.50mm ($117.94)
MX100: 53.00mm ($117.94)
MX100: 53.50mm ($129.94)
MX100: 54.00mm ($129.94)
DT100: 52.00mm ($117.94)
DT100: 52.50mm ($117.94)
DT100: 53.00mm ($117.94)
DT100: 53.50mm ($129.94)
DT100: 54.00mm ($129.94)
YZ100 76-83: 50.00mm ($114.94)
YZ100 76-83: 50.50mm ($114.94)
YZ100 76-83: 51.00mm ($114.94)
YZ100 76-83: 51.50mm ($125.94)
YZ100 76-83: 52.00mm ($125.94)
RT100 90-00: 52.00mm ($76.94)
RT100 90-00: 52.50mm ($76.94)
RT100 90-00: 53.00mm ($76.94)
RT100 90-00: 54.00mm ($84.94)
AT2/AT3 125 80-86: 56.00mm ($113.94)
AT2/AT3 125 80-86: 56.50mm ($113.94)
AT2/AT3 125 80-86: 57.00mm ($113.94)
AT2/AT3 125 80-86: 57.50mm ($124.94)
AT2/AT3 125 80-86: 58.00mm ($124.94)
MX125 80-86: 56.00mm ($113.94)
MX125 80-86: 56.50mm ($113.94)
MX125 80-86: 57.00mm ($113.94)
MX125 80-86: 57.50mm ($124.94)
MX125 80-86: 58.00mm ($124.94)
IT125 80-86: 56.00mm ($113.94)
IT125 80-86: 56.50mm ($113.94)
IT125 80-86: 57.00mm ($113.94)
IT125 80-86: 57.50mm ($124.94)
IT125 80-86: 58.00mm ($124.94)
DT125 1973 and up: 56.00mm ($113.94)
DT125 1973 and up: 56.50mm ($113.94)
DT125 1973 and up: 57.00mm ($113.94)
DT125 1973 and up: 57.50mm ($124.94)
DT125 1973 and up: 58.00mm ($124.94)
YZ125 76-82: 56.00mm ($106.94)
YZ125 76-82: 56.50mm ($106.94)
YZ125 76-82: 57.00mm ($106.94)
YZ125 76-82: 57.50mm ($117.94)
YZ125 76-82: 58.00mm ($117.94)
YZ125 83: 56.00mm ($107.94)
YZ125 83: 56.50mm ($107.94)
YZ125 83: 57.00mm ($107.94)
YZ125 83: 57.50mm ($118.94)
YZ125 83: 58.00mm ($118.94)
YZ125 84: 56.00mm ($109.94)
YZ125 84: 56.50mm ($109.94)
YZ125 84: 57.00mm ($109.94)
YZ125 84: 57.50mm ($121.94)
YZ125 84: 58.00mm ($121.94)
YZ125 85: 56.00mm ($109.94)
YZ125 85: 56.50mm ($109.94)
YZ125 85 Power Valve must be modied: 57.00mm ($109.94)
YZ125 85 Power Valve must be modied: 57.50mm ($121.94)
YZ125 85 Power Valve must be modied: 58.00mm ($121.94)
YZ125 86-88: 56.00mm ($116.94)
YZ125 86-88: 56.50mm ($116.94)
YZ125 86-88 Power Valve must be modied: 57.00mm ($116.94)
YZ125 86-88 Power Valve must be modied: 57.50mm ($128.94)
YZ125 86-88 Power Valve must be modied: 58.00mm ($128.94)
YZ125 1989: 56.00mm ($113.94)
YZ125 1989: 56.50mm ($113.94)
YZ125 1989: 57.00mm ($113.94)
YZ125 90-92: 56.00mm ($99.94)
YZ125 90-92: 56.50mm ($99.94)
YZ125 90-92: 57.00mm ($99.94)
YZ125 1993: 56.00mm ($101.94)
YZ125 1993: 56.50mm ($101.94)
YZ125 1993: 57.00mm ($101.94)
YZ125 94-96: 54.00mm ($88.94)
YZ125 94-96: 54.50mm ($88.94)
YZ125 94-96: 55.00mm ($88.94)
YZ125 94-96: 56.00mm ($97.94)
YZ125 1997: 54.00mm ($102.94)
YZ125 1997: 56.00mm ($115.94)
YZ125 98-01: 54.00mm ($84.94)
YZ125 98-01: 54.50mm ($84.94)
YZ125 98-01: 55.00mm ($84.94)
YZ125 98-01: 56.00mm ($92.94)
YZ125 97-04 Racers Choice GP Style, No intake window, Longer skirt than stock: 54.00mm ($99.94)
YZ125 97-04 Racers Choice GP Style, No intake window, Longer skirt than stock: 56.00mm ($108.94)
YZ125 97-04 Racers Choice Flat Top Conversion, No intake window: 54.00mm ($102.94)
YZ125 97-04 Racers Choice Flat Top Conversion, No intake window: 56.00mm ($112.94)
YZ125 02-04: 54.00mm ($80.94)
YZ125 02-04: 54.50mm ($80.94)
YZ125 02-04: 55.00mm ($80.94)
YZ125 02-04: 56.00mm ($88.94)
YZ125 05-10: 54.00mm ($80.94)
YZ125 05-10: 56.00mm ($88.94)
YZ125 05-10 Racers Choice GP Style, No intake window: 54.00mm ($99.94)
YZ125 05-10 Racers Choice GP Style, No intake window: 56.00mm ($108.94)
YZ125 05-10 Racers Choice GP Style, No intake window: 58.00mm ($108.94)
175CT-2/175CT-3 thru 77: 66.00mm ($113.94)
175CT-2/175CT-3 thru 77: 66.50mm ($113.94)
175CT-2/175CT-3 thru 77: 67.00mm ($113.94)
175CT-2/175CT-3 thru 77: 67.50mm ($124.94)
175CT-2/175CT-3 thru 77: 68.00mm ($124.94)
175DT 79-81: 66.00mm ($113.94)
175DT 79-81: 66.50mm ($113.94)
175DT 79-81: 67.00mm ($113.94)
175DT 79-81: 67.50mm ($124.94)
175DT 79-81: 68.00mm ($124.94)
175MX 79-82: 66.00mm ($113.94)
175MX 79-82: 66.50mm ($113.94)
175MX 79-82: 67.00mm ($113.94)
175MX 79-82: 68.00mm ($124.94)
175DT 79-81: 66.00mm ($113.94)
175DT 79-81: 66.50mm ($113.94)
175DT 79-81: 67.00mm ($113.94)
175DT 79-81: 67.50mm ($124.94)
175DT 79-81: 68.00mm ($124.94)
175MX 79-82: 66.00mm ($113.94)
175MX 79-82: 66.50mm ($113.94)
175MX 79-82: 67.00mm ($113.94)
175MX 79-82: 67.50mm ($124.94)
175MX 79-82: 68.00mm ($124.94)
IT175 76-81: 66.00mm ($103.94)
IT175 76-81: 66.50mm ($103.94)
IT175 76-81: 67.00mm ($103.94)
IT175 76-81: 67.50mm ($113.94)
IT175 76-81: 68.00mm ($113.94)
YZ175 76-81: 66.00mm ($103.94)
YZ175 76-81: 66.50mm ($103.94)
YZ175 76-81: 67.00mm ($103.94)
YZ175 76-81: 67.50mm ($113.94)
YZ175 76-81: 68.00mm ($113.94)
RT180 90-00: 64.50mm ($85.94)
RT180 90-00: 65.00mm ($85.94)
RT180 90-00: 65.50mm ($85.94)
RT180 90-00: 66.00mm ($94.94)
IT200 84-86: 66.00mm ($109.94)
IT200 84-86: 66.50mm ($109.94)
IT200 84-86: 67.00mm ($109.94)
IT200 84-86: 67.50mm ($123.94)
IT200 84-86: 68.00mm ($123.94)
WR200 92-98: 66.80mm ($86.94)
WR200 92-98: 67.00mm ($86.94)
WR200 92-98: 67.50mm ($86.94)
WR200 92-98: 68.00mm ($95.94)
WR200 92-98: 68.50mm ($95.94)
IT250 78-80: 70.00mm ($132.94)
IT250 78-80: 70.50mm ($132.94)
IT250 78-80: 71.00mm ($132.94)
IT250 78-80: 71.50mm ($146.94)
IT250 78-80: 72.00mm ($146.94)
DT250 74-79: 70.00mm ($132.94)
DT250 74-79: 70.50mm ($132.94)
DT250 74-79: 71.00mm ($132.94)
DT250 74-79: 71.50mm ($146.94)
DT250 74-79: 72.00mm ($146.94)
MX250 73-75: 70.00mm ($132.94)
MX250 73-75: 70.50mm ($132.94)
MX250 73-75: 71.00mm ($132.94)
MX250 73-75: 71.50mm ($146.94)
MX250 73-75: 72.00mm ($146.94)
IT250 81-82: 70.00mm ($124.94)
IT250 81-82: 70.50mm ($124.94)
IT250 81-82: 71.00mm ($124.94)
IT250 81-82: 71.50mm ($137.94)
IT250 81-82: 72.00mm ($137.94)
IT250 1983: 68.00mm ($117.94)
IT250 1983: 68.50mm ($117.94)
IT250 1983: 69.00mm ($117.94)
IT250 1983: 69.50mm ($129.94)
IT250 1983: 70.00mm ($129.94)
YZ250 76-79: 70.00mm ($132.94)
YZ250 76-79: 70.50mm ($132.94)
YZ250 76-79: 71.00mm ($132.94)
YZ250 76-79: 71.50mm ($146.94)
YZ250 76-79: 72.00mm ($146.94)
YZ250 80-82: 70.00mm ($124.94)
YZ250 80-82: 70.50mm ($124.94)
YZ250 80-82: 71.00mm ($124.94)
YZ250 80-82: 71.50mm ($137.94)
YZ250 80-82: 72.00mm ($137.94)
YZ250 83-87: 68.00mm ($134.94)
YZ250 83-87: 68.50mm ($134.94)
YZ250 83-87 Power Valve must be modified: 69.00mm ($134.94)
YZ250 83-87 Power Valve must be modified: 69.50mm ($148.94)
YZ250 83-87 Power Valve must be modified: 70.00mm ($148.94)
YZ250 88-91: 68.00mm ($115.94)
YZ250 88-91: 68.50mm ($115.94)
YZ250 88-91 Power Valve must be modied: 69.00mm ($115.94)
YZ250 88-91 Power Valve must be modied: 69.50mm ($127.94)
YZ250 88-91 Power Valve must be modied: 70.00mm ($127.94)
YZ250 92-94: 68.00mm ($109.94)
YZ250 92-94: 68.50mm ($109.94)
YZ250 92-94: 69.00mm ($109.94)
YZ250 92-94: 70.00mm ($121.94)
YZ250 92-98 Racers Choice Single Ring: 68.00mm ($121.94)
YZ250 95-98: 68.00mm ($109.94)
YZ250 95-98: 68.50mm ($109.94)
YZ250 95-98: 69.00mm ($109.94)
YZ250 95-98: 70.00mm ($121.94)
YZ250 99-01: 66.40mm ($107.94)
YZ250 99-01: 68.50mm ($117.94)
YZ250 02-10: 66.40mm ($101.94)
YZ250 02-10: 67.00mm ($101.94)
YZ250 02-10: 67.50mm ($101.94)
YZ250 02-10: 68.50mm ($111.94)
YZ250 02-10 Racers Choice Single Ring: 66.40mm ($129.94)
WR250 88-91: 68.00mm ($115.94)
WR250 88-91: 68.50mm ($115.94)
WR250 88-91 Power Valve must be modified: 69.00mm ($115.94)
WR250 88-91 Power Valve must be modified: 69.50mm ($127.94)
WR250 88-91 Power Valve must be modified: 70.00mm ($127.94)
WR250 92-94: 68.00mm ($109.94)
WR250 92-94: 68.50mm ($109.94)
WR250 92-94: 69.00mm ($109.94)
WR250 92-94: 70.00mm ($121.94)
WR250 95-98: 68.00mm ($109.94)
WR250 95-98: 68.50mm ($109.94)
WR250 95-98: 69.00mm ($109.94)
WR250 95-98: 70.00mm ($121.94)
DT400 75-78: 85.00mm ($131.94)
DT400 75-78: 85.50mm ($131.94)
DT400 75-78: 86.00mm ($131.94)
DT400 75-78: 86.50mm ($144.94)
MX400 75-76: 85.00mm ($131.94)
MX400 75-76: 85.50mm ($131.94)
MX400 75-76: 86.00mm ($131.94)
MX400 75-76: 86.50mm ($144.94)
IT400 77-78: 85.00mm ($114.94)
IT400 77-78: 85.50mm ($114.94)
IT400 77-78: 86.00mm ($114.94)
IT400 77-78: 86.50mm ($125.94)
IT400 77-78: 87.00mm ($125.94)
YZ400 77-78: 85.00mm ($114.94)
YZ400 77-78: 85.50mm ($114.94)
YZ400 77-78: 86.00mm ($114.94)
YZ400 77-78: 86.50mm ($125.94)
YZ400 77-78: 87.00mm ($125.94)
IT465 81-82: 85.00mm ($134.94)
IT465 81-82: 85.50mm ($134.94)
IT465 81-82: 86.00mm ($134.94)
IT465 81-82: 86.50mm ($148.94)
IT465 81-82: 87.00mm ($148.94)
YZ465 80-81: 85.00mm ($134.94)
YZ465 80-81: 85.50mm ($134.94)
YZ465 80-81: 86.00mm ($134.94)
YZ465 80-81: 86.50mm ($148.94)
YZ465 80-81: 87.00mm ($148.94)
IT490 83-84: 87.00mm ($141.94)
IT490 83-84: 87.50mm ($141.94)
IT490 83-84: 88.00mm ($141.94)
IT490 83-84: 88.50mm ($156.94)
IT490 83-84: 89.00mm ($156.94)
YZ490 82-83: 87.00mm ($141.94)
YZ490 82-83: 87.50mm ($141.94)
YZ490 82-83: 88.00mm ($141.94)
YZ490 82-83: 88.50mm ($156.94)
YZ490 82-83: 89.00mm ($156.94)
YZ490 84-90: 87.00mm ($134.94)
YZ490 84-90: 87.50mm ($134.94)
YZ490 84-90: 88.00mm ($134.94)
YZ490 84-90: 88.50mm ($148.94)
YZ490 84-90: 89.00mm ($148.94)
WR500 91-93: 87.00mm ($134.94)
WR500 91-93: 87.50mm ($134.94)
WR500 91-93: 88.00mm ($134.94)
WR500 91-93: 88.50mm ($148.94)
WR500 91-93: 89.00mm ($148.94)
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