Dirt Motorcycle Engine Parts
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Vintco Piston Kit 73-74 Yamaha MX 360 80.0mm Standard Vintco PSY35-00
VintCo PSY35-00 is a piston kit for 1973-1974 Yamaha MX360 models, supplied in standard 80.0 mm size for vintage 2-stroke engine service and rebuild work. The kit is manufactured using modern materials and manufacturing techniques to provide OEM-equivalent fit and performance, and includes the piston, rings, pin and clips for installation. A wrist pin bearing is available separately, with additional size options also available.Features Complete piston kit for vintage 2-stroke engine service Includes piston, rings, pin and clips Forged piston construction MoS2 coating for running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY35-00 Product Type: Piston kit Size: 80.0 mm Size Classification: Standard Piston Diameter: 79.94 mm Clearance: 0.06 mm Vehicle Fitments 1973 Yamaha MX360 1974 Yamaha MX360
£211.22
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Vintco Piston Kit 73-74 Yamaha MX 360 80.5mm 0.5mm Over Vintco PSY35-0.5
This VintCo piston kit is designed for 1973-1974 Yamaha MX360 models and suits vintage two-stroke engine rebuilds requiring an 80.5 mm piston with +0.5 mm oversize. The kit includes the piston, rings, pin and clips, and is manufactured using modern production methods for OEM-style fitment and performance.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage two-stroke engine rebuilds Wrist pin bearing available separately Additional size options available MoS2-coated to assist running-in Specifications VintCo Part Number: PSY35-0.5 Piston size: 80.5 mm Oversize: +0.5 mm Clearance: 0.06 mm Piston measurement: 80.44 mm Forged piston Made in Germany Vehicle Fitments 1973 Yamaha MX360 1974 Yamaha MX360
£211.22
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Vintco Piston Kit 74-75 Yamaha YZ 250 71.5mm +1.5mm Over Vintco PSY34-1.5
VintCo PSY34-1.5 is a piston kit for 1974-1975 Yamaha YZ250 models, supplied in a 71.5mm bore size with +1.5mm oversize. It is intended for vintage 2-stroke engine rebuilds and includes the piston, rings, pin and clips. The piston is manufactured using modern materials and manufacturing techniques for fit and performance comparable to OEM, and is finished with a MoS2 coating for initial running-in.Features Complete piston kit including piston, rings, pin and clips Suitable for vintage 2-stroke Yamaha YZ250 engine rebuilds Forged piston MoS2 coated for initial running-in Wrist pin bearing sold separately Additional size options available Rings will not work with the original chrome-plated Yamaha cylinder Rings are compatible only with Nikasil plating or an iron liner Specifications VintCo Part Number: PSY34-1.5 Bore size: 71.5mm Oversize: +1.5mm Piston size: 71.44mm Clearance: 0.06mm Country of manufacture: Germany Vehicle Fitments 1974 Yamaha YZ250 1975 Yamaha YZ250
£178.87
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Vintco Piston Kit 74-75 Yamaha YZ 250 71.0mm +1.0mm Over Vintco PSY34-1.0
This VintCo piston kit is for 1974-1975 Yamaha YZ250 models and provides a forged replacement piston assembly for vintage 2-stroke engines in 71.0 mm, +1.0 mm oversize. It includes the piston, rings, pin and clips, while the wrist pin bearing is available separately. The kit is made in Germany using modern materials and manufacturing techniques for OEM-style fitment and performance, and the supplied rings are intended for Nikasil-plated or iron-lined cylinders rather than the original chrome-plated Yamaha cylinder.Features Complete piston kit with piston, rings, pin and clips Wrist pin bearing sold separately Suitable for vintage 2-stroke Yamaha YZ250 applications Compatible with Nikasil-plated or iron-lined cylinders Rings are not compatible with the original chrome-plated Yamaha cylinder on 1974-1975 YZ250 models Additional size options are available Specifications VintCo Part Number: PSY34-1.0 Piston size: 71.0 mm Oversize: +1.0 mm Piston measurement: 70.94 mm Clearance: 0.06 mm Construction: Forged piston Coating: MoS2 coated for break-in Country of manufacture: Germany Vehicle Fitments 1974 Yamaha YZ250 1975 Yamaha YZ250
£178.87
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Vintco Piston Kit 74-75 Yamaha YZ 250 70.0mm Standard Vintco PSY34-00
This VintCo piston kit is designed for 1974-1975 Yamaha YZ250 models and provides a replacement piston assembly for vintage 2-stroke engine rebuilds. It is manufactured using modern materials and production methods for OEM-style fit and performance, and includes the piston, rings, pin and clips for straightforward installation. This kit is intended for use with Nikasil-plated or iron-lined cylinders only; the supplied rings are not compatible with the original chrome-plated Yamaha cylinder used on 1974-1975 YZ250 models. A wrist pin bearing is available separately, and additional size options are also available.Features Complete piston kit including piston, rings, pin and clips Suitable for vintage 2-stroke Yamaha YZ250 engine rebuilds OEM-style fit and performance Wrist pin bearing sold separately Additional size options available Rings are compatible with Nikasil-plated or iron-lined cylinders Rings are not compatible with the original chrome-plated Yamaha cylinder Specifications VintCo Part Number: PSY34-00 Piston size: 70.0 mm standard Piston measurement: 69.94 mm Clearance: 0.06 mm Forged piston MoS2 coated for break-in Made in Germany Vehicle Fitments 1974 Yamaha YZ250 1975 Yamaha YZ250
£178.87
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Vintco Piston Kit 74-75 Yamaha YZ 250 70.5mm 0.5mm Over Vintco PSY34-0.5
This VintCo piston kit is for 1974-1975 Yamaha YZ250 models and is intended for vintage 2-stroke engine rebuilds. It uses modern materials and manufacturing methods for OEM-level fitment and performance, and includes the piston, rings, pin and clips. This kit is a 70.5 mm piston in +0.5 mm oversize for vintage motorcycle applications.Features Complete piston kit with piston, rings, pin and clips Suitable for 1974-1975 Yamaha YZ250 models Forged piston MoS2 coated for break-in Wrist pin bearing sold separately Rings will not work with the original chrome-plated Yamaha cylinder on 1974-1975 YZ250 models Rings are only compatible with Nikasil plating or an iron liner Made in Germany Specifications VintCo Part Number: PSY34-0.5 Piston size: 70.5 mm Oversize: +0.5 mm Piston measurement: 70.44 mm Clearance: 0.06 mm Vehicle Fitments 1974 Yamaha YZ250 1975 Yamaha YZ250
£178.87
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Vintco Piston Kit 82-83 Yamaha It 175 67.5mm 1.5mm Over Vintco PSY33-1.5
VintCo piston kit PSY33-1.5 is a replacement piston kit for 1982-1983 Yamaha IT175 models. Intended for vintage 2-stroke engine service, it includes the piston, rings, pin and clips, with a wrist pin bearing available separately. The kit is produced using modern materials and manufacturing techniques for OEM-level fit and performance and is supplied in a 67.5 mm size at 1.5 mm oversize. Features Replacement piston kit for vintage 2-stroke engines Fits 1982-1983 Yamaha IT175 models Includes piston, rings, pin and clips Wrist pin bearing sold separately Additional size options available Designed for OEM-level fit and performance Specifications VintCo Part Number: PSY33-1.5 Piston size: 67.5 mm Oversize: +1.5 mm Measured size: 67.44 mm Clearance: 0.06 mm Piston type: Forged Coating: MoS2 coated for running-in Country of manufacture: Germany Vehicle Fitments 1982 Yamaha IT175 1983 Yamaha IT175
£157.62
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Vintco Piston Kit 82-83 Yamaha It 175 67mm 1.0mm Over Vintco PSY33-1.0
VintCo piston kit for 1982-1983 Yamaha IT175 models, intended for vintage 2-stroke motorcycle engine rebuilds. Manufactured using modern materials and production methods for OEM-equivalent fit and performance, this kit includes the piston, rings, pin and clips required for assembly, while the wrist pin bearing is available separately.Features Complete piston kit including piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Intended for Yamaha IT175 models Forged piston MoS2 coated for running-in Wrist pin bearing sold separately Manufactured in Germany Produced using modern materials and manufacturing techniques Specifications VintCo Part Number: PSY33-1.0 Piston size: 67 mm Oversize: +1.0 mm Diameter: 66.94 mm Clearance: 0.06 mm Vehicle Fitments 1982 Yamaha IT175 1983 Yamaha IT175
£157.62
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Vintco Piston Kit 82-83 Yamaha It 175 66mm Standard Vintco PSY33-00
VintCo PSY33-00 is a standard-size piston kit for 1982-1983 Yamaha IT175 models. Intended for vintage 2-stroke engine rebuilds and maintenance, it is manufactured using modern materials and production methods for OEM-style fitment and performance. The kit includes the piston, rings, pin and clips, with a wrist pin bearing available separately. Additional size options are also available.Features Suitable for vintage 2-stroke Yamaha IT175 applications Complete piston kit with piston, rings, pin and clips Wrist pin bearing sold separately Designed to support engine rebuild and maintenance work MoS2-coated for break-in Specifications VintCo Part Number: PSY33-00 Standard size Piston size: 66 mm Measurement: 65.44 mm Clearance: 0.06 mm Forged piston Made in Germany Vehicle Fitments 1982 Yamaha IT175 1983 Yamaha IT175
£157.62
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Vintco Piston Kit 82-83 Yamaha It 175 66.5mm 0.5mm Over Vintco PSY33-0.5
This VintCo piston kit is designed for 1982-1983 Yamaha IT175 models and is intended for vintage 2-stroke engine rebuilds. Manufactured using modern materials and production methods, it is designed to provide OEM-equivalent or better fit and performance. The kit includes the piston, rings, pin and clips, with the wrist pin bearing available separately.Features Complete piston kit for Yamaha IT175 applications Includes piston, rings, pin and clips Intended for vintage 2-stroke engine rebuilds Wrist pin bearing sold separately Designed to provide OEM-equivalent or better fit and performance MoS2 coating supports running-in Specifications VintCo Part Number: PSY33-0.5 Piston size: 66.5 mm Oversize: +0.5 mm Piston type: Forged Country of manufacture: Germany Piston measurement: 66.44 mm Clearance: 0.06 mm Vehicle Fitments 1982 Yamaha IT175 1983 Yamaha IT175
£157.62
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Vintco Piston Kit 89-89 Yamaha YZ 125 56.01mm Standard Vintco PSY32-00
This VintCo piston kit is a standard-size replacement for the 1989 Yamaha YZ125, supplied as a complete kit with rings, pin and clips. It features a forged piston manufactured in Germany with a MoS2 coating to assist during initial running-in. Wrist pin bearing is sold separately.Features Standard replacement piston kit Includes rings, pin and clips Wrist pin bearing sold separately Forged piston MoS2 coating for initial running-in Made in Germany Specifications VintCo Part Number: PSY32-00 Nominal size: 56.01 mm Piston measurement: 55.94 mm Clearance: 0.07 mm Size designation: Standard Vehicle Fitments1989 Yamaha YZ125
£135.38
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Vintco Piston Kit 83-85 Yamaha YZ 125 57.5mm 1.5mm Over Vintco PSY31-1.5
This VintCo piston kit is designed for select Yamaha YZ125 models and provides the main piston assembly components for an oversize rebuild. It is a forged piston kit made in Germany, supplied with rings, pin and clips, and features a MoS2 coating for break-in. Wrist pin bearing is sold separately.Features Piston kit includes rings, pin and clips Wrist pin bearing sold separately Forged piston Made in Germany MoS2 coated for break-in Specifications VintCo Part Number: PSY31-1.5 Piston size: 57.5 mm Oversize: 1.5 mm over Piston measurement: 57.44 mm Clearance: 0.06 mm Vehicle Fitments 1983 Yamaha YZ125 1985 Yamaha YZ125
£135.38
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Vintco Piston Kit 83-85 Yamaha YZ 125 57mm 1.0mm Over Vintco PSY31-1.0
Forged piston kit for Yamaha YZ125 models, supplied with rings, pin and clips for engine rebuild applications. This 1.0 mm oversize piston is made in Germany and uses a coating intended to support running-in; the wrist pin bearing is sold separately.Features Supplied with rings, pin and clips Intended for piston replacement and rebuild work Coating supports running-in Wrist pin bearing sold separately Specifications VintCo Part Number: PSY31-1.0 Nominal piston size: 57 mm Oversize: 1.0 mm over Piston measurement: 56.94 mm Clearance: 0.06 mm Piston construction: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1983 Yamaha YZ125 1985 Yamaha YZ125
£135.38
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Vintco Piston Kit 83-85 Yamaha YZ 125 56.5mm 0.5mm Over Vintco PSY31-0.5
This VintCo piston kit is designed for Yamaha YZ125 models from 1983 and 1985 and is supplied as a 0.5 mm oversize replacement for engine rebuild work. The kit includes the piston, rings, pin and clips, and features a forged piston with a running-in coating. It is manufactured in Germany, with the wrist pin bearing sold separately.Features Complete piston kit including rings, pin and clips Suitable for 0.5 mm oversize rebuild applications Wrist pin bearing sold separately Coated for running-in Manufactured in Germany Specifications VintCo Part Number: PSY31-0.5 Item Category: Piston Kits Nominal size: 56.5 mm Piston size: 56.44 mm Oversize: 0.5 mm over Clearance: 0.06 mm Construction: Forged piston Coating: MoS2 Vehicle Fitments 1983 Yamaha YZ125 1985 Yamaha YZ125
£135.38
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Vintco Piston Kit 84-84 Yamaha YZ 125 57.5mm 1.5mm Over Vintco PSY30-1.5
VintCo piston kit for the 1984 Yamaha YZ125, intended for engine rebuild applications. This forged piston is made in Germany, features an MoS2 coating for break-in, and is supplied with rings, pin and clips. The wrist pin bearing is sold separately.Features Supplied with rings, pin and clips Wrist pin bearing sold separately Forged piston MoS2 coated for break-in Made in Germany Specifications VintCo Part Number: PSY30-1.5 Piston size: 57.5 mm Oversize: 1.5 mm over Measured size: 57.44 mm Clearance: 0.06 mm Vehicle Fitments1984 Yamaha YZ125
£135.38
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Vintco Piston Kit 84-84 Yamaha YZ 125 57.00mm 1.0mm Over Vintco PSY30-1.0
VintCo piston kit PSY30-1.0 is a forged replacement piston assembly for the 1984 Yamaha YZ125, supplied with rings, pin and clips, and finished with a MoS2 coating to aid running-in. This 57.00 mm, 1.0 mm oversize piston is manufactured in Germany, with the wrist pin bearing sold separately.Features Replacement piston kit for 1984 Yamaha YZ125 Includes rings, pin and clips MoS2 coated to aid running-in Wrist pin bearing sold separately Specifications VintCo Part Number: PSY30-1.0 Piston size: 57.00 mm Oversize: 1.0 mm Piston measurement: 56.94 mm Clearance: 0.06 mm Forged piston Manufactured in Germany Vehicle Fitments1984 Yamaha YZ125
£135.38
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Vintco Piston Kit 84-84 Yamaha YZ 125 56.00mm Standard Vintco PSY30-00
VintCo PSY30-00 is a standard-size piston kit for the 1984 Yamaha YZ125. The kit includes the piston, rings, pin and clips, and is intended as a replacement assembly for engine rebuild or service work. It features a forged piston construction, is made in Germany, and has a MoS2 coating for break-in. Wrist pin bearing is sold separately.Features Standard-size replacement piston kit Includes rings, pin and clips Forged piston MoS2 coated for break-in Wrist pin bearing sold separately Made in Germany Specifications VintCo Part Number: PSY30-00 Piston size: 56.00 mm Piston measurement: 55.94 mm Clearance: 0.06 mm Vehicle Fitments1984 Yamaha YZ125
£135.38
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Vintco Piston Kit 84-84 Yamaha YZ 125 56.5mm 0.5mm Over Vintco PSY30-0.5
VintCo piston kit PSY30-0.5 is a forged replacement piston kit for the 1984 Yamaha YZ125, supplied with rings, pin and clips. This 56.5 mm piston is 0.5 mm oversize, features a MoS2 coating for break-in, and is made in Germany. Wrist pin bearing is sold separately.Features Complete piston kit including rings, pin and clips Forged piston MoS2 coated for break-in Made in Germany Wrist pin bearing sold separately Specifications VintCo Part Number: PSY30-0.5 Piston size: 56.5 mm Oversize: 0.5 mm over Measured size: 56.44 mm Clearance: 0.06 mm Vehicle Fitments1984 Yamaha YZ125
£135.38
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Vintco Piston Kit 86-88 Yamaha YZ 125 57.5mm 1.5mm Over Vintco PSY29-1.5
This VintCo piston kit is designed for 1986–1988 Yamaha YZ125 models and suits vintage 2-stroke engine rebuilds requiring a 57.5 mm piston in a +1.5 mm oversize. The kit includes the piston, rings, pin and clips, and is manufactured using modern materials and production techniques to provide OEM-equivalent fitment and performance. It is intended to help keep vintage motorcycles in service, with a wrist pin bearing available separately.Features Complete piston kit includes piston, rings, pin and clips Intended for vintage 2-stroke engine rebuilds OEM-equivalent fitment and performance Wrist pin bearing sold separately MoS2 coated for break-in Manufactured in Germany Specifications VintCo Part Number: PSY29-1.5 Piston diameter: 57.5 mm Oversize: +1.5 mm Piston measurement: 57.44 mm Clearance: 0.06 mm Forged piston construction Vehicle Fitments 1986 Yamaha YZ125 1987 Yamaha YZ125 1988 Yamaha YZ125
£135.27
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Vintco Piston Kit 86-88 Yamaha YZ 125 57mm 1.0mm Over Vintco PSY29-1.0
This VintCo piston kit is designed for 1986-1988 Yamaha YZ125 models and for rebuilding vintage 2-stroke engines. It includes the piston, rings, pin and clips, and is manufactured using modern production methods to provide OEM-equivalent fitment and performance. A wrist pin bearing is available separately, and other size options are also available.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilding Designed for OEM-equivalent fitment and performance Wrist pin bearing sold separately Additional size options available MoS2 coated for running-in Specifications VintCo Part Number: PSY29-1.0 Piston type: Forged Country of manufacture: Germany Piston size: 57 mm Oversize: +1.0 mm Piston measurement: 56.94 mm Clearance: 0.06 mm Vehicle Fitments 1986 Yamaha YZ125 1987 Yamaha YZ125 1988 Yamaha YZ125
£135.27
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Vintco Piston Kit 86-88 Yamaha YZ 125 56.00mm Standard Vintco PSY29-00
This VintCo standard-size piston kit is designed for 1986 to 1988 Yamaha YZ125 models. The kit includes the piston, rings, pin and clips, and uses a forged piston made in Germany with a MoS2 coating to assist running-in. Wrist pin bearing is sold separately.Features Complete piston kit with rings, pin and clips Wrist pin bearing sold separately Forged piston construction MoS2 coated to assist running-in Made in Germany Specifications VintCo Part Number: PSY29-00 Piston size: Standard Piston diameter: 56.00 mm Measured size: 55.94 mm Clearance: 0.06 mm Vehicle Fitments 1986 Yamaha YZ125 1987 Yamaha YZ125 1988 Yamaha YZ125
£135.38
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Vintco Piston Kit 86-88 Yamaha YZ 125 56.5mm 0.5mm Over Vintco PSY29-0.5
This piston kit is designed for 1986-1988 Yamaha YZ125 models and includes the piston, rings, pin and clips required for piston replacement. It is a forged VintCo piston kit for vintage 2-stroke applications, manufactured using modern materials and production methods for OEM-equivalent or improved fit and performance. A wrist pin bearing is available separately, and additional size options are also available.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Forged piston construction MoS2 coating aids running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY29-0.5 Piston size: 56.5 mm Oversize: +0.5 mm Piston measurement: 56.44 mm Clearance: 0.06 mm Country of manufacture: Germany MoS2 coated Vehicle Fitments 1986 Yamaha YZ125 1987 Yamaha YZ125 1988 Yamaha YZ125
£135.27
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Vintco Piston Kit 90-93 Yamaha YZ125 56.02mm Standard Vintco PSY28-00
This VintCo piston kit is designed for 1990-1993 Yamaha YZ125 models and vintage 2-stroke top-end service. It includes the piston, rings, pin and clips in one kit, and is manufactured using modern materials and production methods for OEM-equivalent fitment and performance.Features Complete piston kit supplied with piston, rings, pin and clips Intended for vintage 2-stroke rebuilds Supports straightforward piston replacement Wrist pin bearing available separately MoS2 coating supports initial running-in Specifications VintCo Part Number: PSY28-00 Piston kit type: Forged piston Size: Standard Piston size: 56.02 mm Piston measurement: 55.96 mm Clearance: 0.06 mm Country of manufacture: Germany Vehicle Fitments 1990 Yamaha YZ125 1991 Yamaha YZ125 1992 Yamaha YZ125 1993 Yamaha YZ125
£135.38
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Vintco Piston Kit 82-87 Yamaha It YZ 175 250 69.5mm 1.5mm Over Vintco PSY27-1.5
VintCo PSY27-1.5 is a forged piston kit for vintage Yamaha 2-stroke applications, referenced in the product title for IT/YZ 175/250 models and supplied here in a 69.5 mm (+1.5 mm oversize) size for the listed 1983-1987 YZ250 applications. The kit includes the piston, rings, pin and clips, and is manufactured in Germany using modern materials and manufacturing techniques to provide OEM-standard fit and performance. The piston is MoS2 coated for running-in, while the wrist pin bearing is available separately and additional size options are also available.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage Yamaha 2-stroke rebuilds Forged piston Coated to assist running-in OEM-standard fit and performance Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY27-1.5 Bore size: 69.5 mm Oversize: +1.5 mm Piston measurement: 69.44 mm Clearance: 0.06 mm Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1983 Yamaha YZ250 1984 Yamaha YZ250 1985 Yamaha YZ250 1986 Yamaha YZ250 1987 Yamaha YZ250
£167.73
