Dirt Motorcycle Engine Parts
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Vintco Piston Kit 91-91 Yamaha WR YZ 250 69.5mm 1.5mm Over Vintco PSY21-1.5
VintCo piston kit PSY21-1.5 is a complete oversize replacement kit for 1991 Yamaha WR250 and YZ250 models. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and is produced using modern materials and manufacturing methods for OEM-equivalent 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 OEM-equivalent fit and performance Wrist pin bearing sold separately Additional size options available MoS2 coating to aid running-in Specifications VintCo Part Number: PSY21-1.5 Bore size: 69.5 mm Oversize: +1.5 mm Piston size: 69.44 mm Clearance: 0.06 mm Piston type: Forged Country of manufacture: Germany Vehicle Fitments 1991 Yamaha WR250 1991 Yamaha YZ250
£167.73
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Vintco Piston Kit 91-91 Yamaha YZ WR 250 69mm 1.0mm Over Vintco PSY21-1.0
This VintCo piston kit is a replacement assembly for 1991 Yamaha YZ250 and WR250 2-stroke models, manufactured using modern materials and production methods for OEM-equivalent fitment and performance. The kit includes the piston, rings, pin and clips, and is intended for 69 mm applications with a +1.0 mm oversize.Features Complete piston kit including piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Forged piston MoS2 coated for running-in Wrist pin bearing available separately Made in Germany Specifications VintCo Part Number: PSY21-1.0 Piston size: 69 mm Oversize: +1.0 mm Piston measurement: 68.94 mm Clearance: 0.06 mm Vehicle Fitments 1991 Yamaha WR250 1991 Yamaha YZ250
£167.73
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Vintco Piston Kit 91-91 Yamaha YZ WR 250 68.01mm Standard Vintco PSY21-00
This piston kit is a standard-size replacement assembly for 1991 Yamaha YZ250 and WR250 models. It includes the piston, rings, pin and clips, and is manufactured in Germany with a forged construction and MoS2 coating to support initial running-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 Standard replacement size Specifications VintCo Part Number: PSY21-00 Bore size: 68.01 mm Piston size: 67.95 mm Clearance: 0.06 mm Vehicle Fitments 1991 Yamaha WR250 1991 Yamaha YZ250
£167.73
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Vintco Piston Kit 91-91 Yamaha YZ WR 250 68.5mm 0.5mm Over Vintco PSY21-0.5
VintCo piston kit PSY21-0.5 is a replacement piston assembly for 1991 Yamaha YZ250 and WR250 2-stroke models. Supplied in a 68.5 mm size with +0.5 mm oversize, this kit is intended for engine rebuild work and includes the piston, rings, pin and clips. It is manufactured using modern materials and production methods for OEM-style fitment and performance, with a MoS2 coating to support initial running-in.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds MoS2 coating supports break-in Wrist pin bearing sold separately Specifications VintCo Part Number: PSY21-0.5 Piston diameter: 68.5 mm Oversize: +0.5 mm Piston size: 68.44 mm Clearance: 0.06 mm Construction: Forged piston Made in Germany Vehicle Fitments 1991 Yamaha WR250 1991 Yamaha YZ250
£167.73
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Vintco Piston Kit 82-84 Yamaha It YZ 490 89mm 2.0mm Over Vintco PSY20-2.0
VintCo PSY20-2.0 is a piston kit for selected vintage Yamaha 2-stroke motorcycles, covering 1982-1984 IT490 and YZ490 applications. Manufactured in Germany using modern materials and production techniques, it is intended to provide OEM-equivalent or better fit and performance. This 89 mm piston kit is a +2.0 mm oversize assembly and includes the piston, rings, pin and clips; it also features a MoS2 coating for running-in. 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 Yamaha IT490 and YZ490 applications Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY20-2.0 Piston diameter: 89 mm Oversize: +2.0 mm Piston size: 88.92 mm Clearance: 0.08 mm Construction: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1982 Yamaha YZ490 1983 Yamaha IT490 1983 Yamaha YZ490 1984 Yamaha IT490
£183.91
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Vintco Piston Kit 82-84 Yamaha It YZ 490 88.5mm Over Vintco PSY20-1.5
VintCo PSY20-1.5 is a piston kit for Yamaha IT490 and YZ490 vintage 2-stroke models, supplied in a nominal 88.5 mm size with +1.5 mm oversize. The kit includes the piston, rings, pin and clips, and is produced using modern materials and manufacturing techniques for OEM-comparable fit and performance. This forged piston is made in Germany and features an MoS2 coating to assist running-in; a wrist pin bearing is available separately, and additional size options are also available.Features Designed for vintage 2-stroke engine rebuilds Includes piston, rings, pin and clips OEM-comparable fit and performance Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY20-1.5 Nominal size: 88.5 mm Oversize: +1.5 mm Piston size: 88.42 mm Clearance: 0.08 mm Manufacturing process: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1982 Yamaha YZ490 1983 Yamaha IT490 1983 Yamaha YZ490 1984 Yamaha IT490
£183.91
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Vintco Piston Kit 82-84 Yamaha YZ It 490 88mm 1.0mm Over Vintco PSY20-1.0
VintCo PSY20-1.0 is a piston kit for vintage Yamaha 2-stroke motorcycles, intended for rebuild and replacement use on specified IT490 and YZ490 models. The kit includes the piston, rings, pin and clips, with the wrist pin bearing available separately. It is manufactured using modern production methods to provide OEM-equivalent fitment and performance.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Wrist pin bearing sold separately Designed for OEM-equivalent fitment and performance Specifications VintCo Part Number: PSY20-1.0 Bore size: 88 mm Oversize: +1.0 mm Piston type: Forged Coating: MoS2 Country of manufacture: Germany Piston measurement: 87.92 mm Clearance: 0.08 mm Vehicle Fitments 1982 Yamaha YZ490 1983 Yamaha IT490 1983 Yamaha YZ490 1984 Yamaha IT490
£183.91
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Vintco Piston Kit 82-84 Yamaha It YZ 490 87mm Standard Vintco PSY20-00
This VintCo standard piston kit is a forged 87 mm replacement for selected 1983-1984 Yamaha IT490 and 1982-1983 Yamaha YZ490 models. Made in Germany, it includes the piston, rings, pin and clips, and is MoS2 coated for break-in. Wrist pin bearing is sold separately.Features Supplied with rings, pin and clips Standard-size piston kit MoS2 coated for break-in Wrist pin bearing sold separately Specifications VintCo Part Number: PSY20-00 Piston size: 87 mm Piston measurement: 86.92 mm Clearance: 0.08 mm Construction: Forged piston Country of manufacture: Germany Vehicle Fitments 1982 Yamaha YZ490 1983 Yamaha IT490 1983 Yamaha YZ490 1984 Yamaha IT490
£183.91
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Vintco Piston Kit 82-84 Yamaha It YZ 490 87.5mm 0.5mm Over Vintco PSY20-0.5
VintCo piston kit PSY20-0.5 is a replacement forged piston kit for vintage Yamaha IT490 and YZ490 2-stroke models from 1982 to 1984. It is supplied as an 87.5 mm piston in +0.5 mm oversize and includes the piston, rings, pin and clips. Manufactured in Germany using modern materials and manufacturing techniques, it is intended to provide OEM-equivalent fitment and performance, with a MoS2 coating to assist initial running-in.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Intended to provide OEM-equivalent fitment and performance MoS2 coating to assist initial running-in Wrist pin bearing sold separately Other size options are available Made using modern materials and manufacturing techniques Specifications VintCo Part Number: PSY20-0.5 Piston size: 87.5 mm Oversize: +0.5 mm Piston measurement: 87.42 mm Clearance: 0.08 mm Construction: Forged Country of manufacture: Germany Vehicle Fitments 1982 Yamaha YZ490 1983 Yamaha IT490 1983 Yamaha YZ490 1984 Yamaha IT490
£183.91
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Vintco Piston Kit 83-83 Yamaha It 250 69.5mm 1.5mm Over Vintco PSY19-1.5
This VintCo piston kit is designed for the 1983 Yamaha IT250 and provides a complete replacement assembly for vintage 2-stroke engine rebuilds. The kit includes the piston, rings, pin and clips, and is produced using modern materials and manufacturing methods for OEM-equivalent fitment and performance. It also features an MOS2-coated piston surface for running-in, while a wrist pin bearing is available separately.Features Complete kit with piston, rings, pin and clips Intended for vintage 2-stroke engine rebuilds MOS2-coated surface for running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY19-1.5 Nominal size: 69.5 mm Oversize: +1.5 mm Piston measurement: 69.44 mm Clearance: 0.06 mm Piston type: Forged Country of manufacture: Germany Vehicle Fitments1983 Yamaha IT250
£167.73
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Vintco Piston Kit 83-83 Yamaha It 250 69mm 1.0mm Over Vintco PSY19-1.0
VintCo piston kit PSY19-1.0 is a replacement forged piston kit for the 1983 Yamaha IT250 vintage 2-stroke. It is manufactured in Germany using modern materials and production methods to provide OEM-equivalent or better fit and performance, and includes the piston, rings, pin and clips for engine rebuild work. The kit is supplied in a 69 mm +1.0 mm oversize, with a wrist pin bearing available separately and additional size options also available.Features Complete piston kit for vintage 2-stroke engine rebuilds Includes piston, rings, pin and clips Forged piston construction MoS2 coated for break-in Wrist pin bearing sold separately Additional size options available Manufactured using modern materials and production methods Intended to provide OEM-equivalent or better fit and performance Made in Germany Specifications VintCo Part Number: PSY19-1.0 Piston diameter: 69 mm Oversize: +1.0 mm Piston measurement: 68.94 mm Clearance: 0.06 mm Vehicle Fitments1983 Yamaha IT250
£167.73
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Vintco Piston Kit 83-83 Yamaha It 250 68.00mm Standard Vintco PSY19-00
This VintCo piston kit is a standard-size replacement for the 1983 Yamaha IT250. The kit includes the piston, rings, pin and clips, with the wrist pin bearing sold separately. It features a forged piston construction, is made in Germany, and is MoS2 coated for break-in.Features Standard replacement piston kit Includes piston, rings, pin and clips Wrist pin bearing sold separately Forged piston MoS2 coated for break-in Made in Germany Specifications VintCo Part Number: PSY19-00 Piston size: 68.00 mm Standard size Piston measurement: 67.94 mm Clearance: 0.06 mm Vehicle Fitments1983 Yamaha IT250
£167.73
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Vintco Piston Kit 83-83 Yamaha It 250 68.5mm 0.5mm Over Vintco PSY19-0.5
VintCo piston kit PSY19-0.5 is a forged replacement piston assembly for the 1983 Yamaha IT250 vintage 2-stroke. Manufactured in Germany with modern materials and manufacturing techniques, it is intended to provide OEM-equivalent fitment and performance. This 68.5 mm (+0.5 mm oversize) kit includes the piston, rings, pin and clips; 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 applications MoS2 coated for running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY19-0.5 Piston size: 68.5 mm Oversize: +0.5 mm Measured size: 68.44 mm Clearance: 0.06 mm Piston construction: Forged Country of manufacture: Germany Vehicle Fitments1983 Yamaha IT250
£167.73
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Vintco Piston Kit 84-86 Yamaha It 200 67.5mm 1.5mm Over Vintco PSY18-1.5
VintCo PSY18-1.5 is a piston kit for 1984-1986 Yamaha IT200 vintage 2-stroke models, intended to support engine rebuilds and continued service. This 67.5 mm kit is 1.5 mm oversize and includes the piston, rings, pin and clips. The piston is manufactured using modern materials and manufacturing techniques for OEM-level fitment and performance, is forged, made in Germany, and MoS2 coated to assist running-in. A wrist pin bearing is available separately, and additional size options are also available.Features Complete piston kit with piston, rings, pin and clips Intended for vintage 2-stroke Yamaha IT200 engine rebuilds MoS2 coating assists break-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY18-1.5 Product type: Piston kit Piston diameter: 67.5 mm Oversize: +1.5 mm Piston measured size: 67.44 mm Clearance: 0.06 mm Piston construction: Forged Country of manufacture: Germany Vehicle Fitments 1984 Yamaha IT200 1985 Yamaha IT200 1986 Yamaha IT200
£167.73
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Vintco Piston Kit 84-86 Yamaha It 200 67mm 1.0mm Over Vintco PSY18-1.0
This VintCo piston kit is a replacement top-end component for Yamaha IT200 models from 1984 to 1986. Intended for vintage 2-stroke engine rebuilds, the kit provides a 67 mm piston in a 1.0 mm oversize configuration and includes the piston, rings, pin and clips. It is produced using modern manufacturing techniques for OEM-equivalent fitment and performance, with a wrist pin bearing available separately.Features Replacement piston kit for vintage 2-stroke Yamaha IT200 models Includes piston, rings, pin and clips Intended for rebuild and service work Wrist pin bearing available separately Designed for OEM-equivalent fitment and performance Specifications VintCo Part Number: PSY18-1.0 Piston size: 67 mm Oversize: +1.0 mm Piston measurement: 66.94 mm Clearance: 0.06 mm Construction: Forged piston Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1984 Yamaha IT200 1985 Yamaha IT200 1986 Yamaha IT200
£167.73
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Vintco Piston Kit 84-86 Yamaha It 200 66.00mm Standard Vintco PSY18-00
This VintCo standard-size piston kit is designed for 1984 to 1986 Yamaha IT200 models. The kit includes the piston, rings, pin and clips, with the wrist pin bearing sold separately. It is a forged piston made in Germany and finished with a MoS2 coating for running-in.Features Includes rings, pin and clips Wrist pin bearing sold separately MoS2-coated for running-in Specifications VintCo Part Number: PSY18-00 Nominal piston size: 66.00 mm Size: Standard Piston diameter: 65.94 mm Clearance: 0.06 mm Construction: Forged Country of manufacture: Germany Vehicle Fitments 1984 Yamaha IT200 1985 Yamaha IT200 1986 Yamaha IT200
£167.73
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Vintco Piston Kit 84-86 Yamaha It 200 66.5mm 0.5mm Over Vintco PSY18-0.5
VintCo piston kit PSY18-0.5 is a replacement piston assembly for Yamaha IT200 models from 1984 to 1986. Intended for vintage 2-stroke engine rebuilds, it is manufactured using modern materials and production methods for OEM-equivalent fit and performance, and includes the piston, rings, pin and clips. 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 OEM-equivalent fit and performance Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY18-0.5 Bore size: 66.5 mm Oversize: +0.5 mm Piston measurement: 66.44 mm Clearance: 0.06 mm Construction: Forged piston Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1984 Yamaha IT200 1985 Yamaha IT200 1986 Yamaha IT200
£167.73
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Vintco Piston Kit 73-75 Yamaha Rd 250 56.5mm 2.5mm Over Vintco PSY17-2.5
VintCo PSY17-2.5 is a piston kit for 1973-1975 Yamaha RD250 models, intended for vintage 2-stroke engine rebuilds. The kit includes one complete piston assembly with piston, rings, pin and clips, and is manufactured using modern production methods for OEM-level fit and performance.Features Complete piston assembly Includes piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Wrist pin bearing available separately Additional size options available Assists running-in Specifications VintCo Part Number: PSY17-2.5 Nominal piston size: 56.5 mm Oversize: +2.5 mm Piston measurement: 56.43 mm Clearance: 0.07 mm Forged piston MoS2 coated Made in Germany Vehicle Fitments 1973 Yamaha RD250 1974 Yamaha RD250 1975 Yamaha RD250
£167.73
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Vintco Piston Kit 73-75 Yamaha Rd 250 56.0mm 2.0mm Over Vintco PSY17-2.0
This VintCo piston kit is designed for Yamaha RD250 models from 1973 to 1975 and is intended for vintage 2-stroke engine rebuilds. The kit includes one complete piston assembly with the piston, rings, pin and clips. It is manufactured using modern materials and production techniques for OEM-equivalent fitment and performance, with additional wrist pin bearing availability separately.Features Suitable for vintage 2-stroke engine rebuilds Complete piston assembly Includes piston, rings, pin and clips Wrist pin bearing sold separately Intended for Yamaha RD250 models from 1973 to 1975 Specifications VintCo Part Number: PSY17-2.0 Piston size: 56.0 mm Oversize: +2.0 mm Piston measurement: 55.93 mm Clearance: 0.07 mm Construction: Forged piston Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1973 Yamaha RD250 1974 Yamaha RD250 1975 Yamaha RD250
£167.73
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Vintco Piston Kit 73-75 Yamaha Rd 250 55.5mm 1.5mm Over Vintco PSY17-1.5
VintCo piston kit for Yamaha RD250 models from 1973 to 1975, supplied as one complete piston assembly for vintage 2-stroke engine service and rebuild work. The kit includes the piston, rings, pin and clips, and is produced using modern materials and manufacturing techniques to provide OEM-level or better fitment and performance. A wrist pin bearing is available separately, with additional size options also available.Features Complete piston assembly for vintage 2-stroke Yamaha RD250 models Includes piston, rings, pin and clips Forged piston MoS2 coated for running-in Designed for OEM-level or better fitment and performance Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY17-1.5 Piston size: 55.5 mm Oversize: +1.5 mm Piston measurement: 55.43 mm Clearance: 0.07 mm Country of manufacture: Germany Vehicle Fitments 1973 Yamaha RD250 1974 Yamaha RD250 1975 Yamaha RD250
£167.73
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Vintco Piston Kit 73-75 Yamaha Rd 250 55.0mm 1.0mm Over Vintco PSY17-1.0
VintCo PSY17-1.0 is a piston kit for 1973-1975 Yamaha RD250 models, intended for vintage 2-stroke engine rebuilds. It includes one complete piston assembly with the piston, rings, pin and clips, and is manufactured with modern materials and production techniques for OEM-style fitment and performance. The piston is forged, made in Germany, and MoS2-coated for running-in. A wrist pin bearing is available separately.Features Suitable for vintage 2-stroke Yamaha RD250 engine rebuilds Includes piston, rings, pin and clips Supplied as one complete piston assembly Wrist pin bearing sold separately Designed for OEM-style fitment and performance Specifications VintCo Part Number: PSY17-1.0 Product type: Piston kit Piston diameter: 55.0 mm Oversize: +1.0 mm Piston size: 54.93 mm Clearance: 0.07 mm Piston construction: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1973 Yamaha RD250 1974 Yamaha RD250 1975 Yamaha RD250
£167.73
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Vintco Piston Kit 73-75 Yamaha Rd 250 54.0mm Standard Vintco PSY17-00
This VintCo piston kit is a complete standard-bore replacement assembly for 1973-1975 Yamaha RD250 models. Designed for vintage 2-stroke applications, it includes one piston with rings, pin and clips, and is manufactured using modern production methods for OEM-style fitment and performance. The piston is MoS2 coated to assist with running-in, while the wrist pin bearing is available separately.Features Complete piston assembly Includes piston, rings, pin and clips Suitable for vintage 2-stroke Yamaha RD250 applications Manufactured using modern materials and manufacturing techniques MoS2 coating assists during running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY17-00 Item Category: Piston Kits Nominal bore size: 54.0 mm Standard size: 53.93 mm Clearance: 0.07 mm Forged piston Country of manufacture: Germany Vehicle Fitments 1973 Yamaha RD250 1974 Yamaha RD250 1975 Yamaha RD250
£167.73
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Vintco Piston Kit 73-75 Yamaha Rd 250 54.5mm 0.5mm Over Vintco PSY17-0.5
This VintCo piston kit is a complete replacement piston assembly for Yamaha RD250 models from 1973 to 1975. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips in a single kit, with a wrist pin bearing available separately. The piston is produced using modern manufacturing methods for OEM-equivalent fitment and performance.Features Complete piston assembly Includes piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Wrist pin bearing sold separately MoS2 coating for running-in Specifications VintCo Part Number: PSY17-0.5 Forged piston Made in Germany Nominal size: 54.5 mm Oversize: +0.5 mm Piston diameter: 54.43 mm Clearance: 0.07 mm Vehicle Fitments 1973 Yamaha RD250 1974 Yamaha RD250 1975 Yamaha RD250
£167.73
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Vintco Piston Kit 73-82 Yamaha Gt MX 1 Lb Iia Ty YZ 80 49.0mm Vintco PSY16-2.0
This VintCo piston kit is designed for selected 1973-1982 Yamaha GT1, GT80, GTMX, LB80, LB80IIA, MX80, TY80 and YZ80 models. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and is manufactured in Germany using modern materials and manufacturing techniques for OEM-equivalent fit and performance.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage Yamaha 2-stroke engine rebuilds Coated to support running-in Wrist pin bearing available separately Additional size options available Specifications VintCo Part Number: PSY16-2.0 Nominal size: 49.0 mm Oversize: +2.0 mm Piston measurement: 48.95 mm Clearance: 0.05 mm Construction: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1973 Yamaha GT1 1973 Yamaha GTMX 1974 Yamaha TY80 1974 Yamaha YZ80 1974 Yamaha GT80 1974 Yamaha GTMX 1974 Yamaha GT1 1975 Yamaha TY80 1975 Yamaha YZ80 1975 Yamaha GT80 1975 Yamaha GTMX 1975 Yamaha GT1 1976 Yamaha GT80 1976 Yamaha GTMX 1976 Yamaha LB80IIA 1977 Yamaha GTMX 1977 Yamaha LB80 1977 Yamaha LB80IIA 1978 Yamaha GTMX 1978 Yamaha LB80IIA 1979 Yamaha GTMX 1980 Yamaha MX80 1981 Yamaha MX80 1982 Yamaha MX80
£103.02
