Dirt Motorcycle Engine Parts

17022 products

  • Piston Kit 73-82 Yamaha Gt GT1 Gtmx Lb Iia MX Ty YZ 80 48.5mm Vintco PSY16-1.5 Piston Kit 73-82 Yamaha Gt GT1 Gtmx Lb Iia MX Ty YZ 80 48.5mm Vintco PSY16-1.5

    Vintco Piston Kit 73-82 Yamaha Gt GT1 Gtmx Lb Iia MX Ty YZ 80 48.5mm Vintco PSY16-1.5

    1 in stock 1-2 business days

    VintCo PSY16-1.5 is a 48.5 mm (+1.5 mm oversize) piston kit for selected 1973-1982 Yamaha 2-stroke motorcycles, including GT1, GT80, GTMX, LB80, LB80IIA, MX80, TY80 and YZ80 applications. Manufactured using modern materials and production techniques for OEM-style fitment and performance, this 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 for vintage Yamaha 2-stroke applications Includes piston, rings, pin and clips Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY16-1.5 Piston size: 48.5 mm Oversize: +1.5 mm Measured diameter: 48.45 mm Clearance: 0.05 mm Construction: Forged piston Coating: MoS2 coated for break-in 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

    1 in stock 1-2 business days

    £103.02

  • Piston Kit 73-82 Yamaha Gt GT1 Gtmx Lb Lbiia MX Ty YZ 80 47.0mm Standard Vintco PSY16-00 Piston Kit 73-82 Yamaha Gt GT1 Gtmx Lb Lbiia MX Ty YZ 80 47.0mm Standard Vintco PSY16-00

    Vintco Piston Kit 73-82 Yamaha Gt GT1 Gtmx Lb Lbiia MX Ty YZ 80 47.0mm Standard Vintco PSY16-00

    1 in stock 1-2 business days

    The VintCo PSY16-00 piston kit is a standard-bore replacement kit for vintage Yamaha 2-stroke 80 models from 1973 to 1982, including GT1, GT80, GTMX, LB80, LB80IIA, MX80, TY80 and YZ80 applications. It is a forged piston kit made in Germany using modern materials and manufacturing techniques for OEM-style fit and performance, and includes the piston, rings, pin and clips.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage Yamaha 2-stroke applications Forged piston construction MoS2 coated for running-in Wrist pin bearing available separately Additional size options available separately Specifications VintCo Part Number: PSY16-00 Standard size Standard bore: 47.0 mm Piston size: 46.95 mm Clearance: 0.05 mm 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

    1 in stock 1-2 business days

    £103.02

  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5 Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5

    Vintco Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5

    Out of stock

    This VintCo piston kit is designed for Yamaha DT400 models from 1975-1978 and Yamaha MX400 models from 1975-1976. Intended for vintage 2-stroke engine rebuilds, it uses modern materials and manufacturing techniques to provide OEM-equivalent fitment and performance. The kit includes the piston, rings, pin and clips, while the wrist pin bearing is available separately.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Forged piston construction Coated for break-in Wrist pin bearing sold separately Additional size options available Designed for OEM-equivalent fitment and performance Specifications VintCo Part Number: PSY14-1.5 Piston size: 86.5 mm Oversize: +1.5 mm Piston measurement: 86.42 mm Clearance: 0.08 mm Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1975 Yamaha DT400 1975 Yamaha MX400 1976 Yamaha DT400 1976 Yamaha MX400 1977 Yamaha DT400 1978 Yamaha DT400

    Out of stock

    £211.22

  • Piston Kit 75-78 Yamaha Dt MX 400 86.0mm 1.0mm Over Vintco PSY14-1.0 Piston Kit 75-78 Yamaha Dt MX 400 86.0mm 1.0mm Over Vintco PSY14-1.0

    Vintco Piston Kit 75-78 Yamaha Dt MX 400 86.0mm 1.0mm Over Vintco PSY14-1.0

    Out of stock

    This VintCo piston kit is designed for Yamaha DT400 models from 1975 to 1978 and Yamaha MX400 models from 1975 to 1976. Intended for vintage 2-stroke engine rebuilds, it is manufactured using modern materials and manufacturing techniques for OEM-comparable fitment and performance. The kit includes the piston, rings, pin and clips, while the wrist pin bearing is available separately. Additional size options are also available.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds OEM-comparable fitment and performance Forged piston MoS2 coated for running-in Wrist pin bearing sold separately Additional size options available Made in Germany Specifications VintCo Part Number: PSY14-1.0 Piston size: 86.0 mm Oversize: +1.0 mm Piston measurement: 85.92 mm Clearance: 0.08 mm Vehicle Fitments 1975 Yamaha DT400 1975 Yamaha MX400 1976 Yamaha DT400 1976 Yamaha MX400 1977 Yamaha DT400 1978 Yamaha DT400

    Out of stock

    £211.22

  • Piston Kit 75-78 Yamaha Dt MX 400 85.0mm Standard Vintco PSY14-00 Piston Kit 75-78 Yamaha Dt MX 400 85.0mm Standard Vintco PSY14-00

    Vintco Piston Kit 75-78 Yamaha Dt MX 400 85.0mm Standard Vintco PSY14-00

    Out of stock

    VintCo PSY14-00 is a piston kit for Yamaha DT400 and MX400 models, intended for standard-bore rebuilds on vintage 2-stroke engines. The kit includes the piston, rings, pin and clips, and is manufactured using modern production methods to provide fit and performance comparable to OEM components. A wrist pin bearing is available separately.Features Complete piston kit with piston, rings, pin and clips Intended for standard-bore engine rebuilds Suitable for vintage Yamaha 2-stroke applications Wrist pin bearing sold separately Specifications VintCo Part Number: PSY14-00 Bore size: 85.0 mm standard Piston diameter: 84.92 mm Clearance: 0.08 mm Forged piston MOS2 coated for running-in Made in Germany Vehicle Fitments 1975 Yamaha DT400 1975 Yamaha MX400 1976 Yamaha DT400 1976 Yamaha MX400 1977 Yamaha DT400 1978 Yamaha DT400

    Out of stock

    £211.22

  • Piston Kit 75-78 Yamaha Dt MX 400 85.5mm 0.5mm Over Vintco PSY14-0.5 Piston Kit 75-78 Yamaha Dt MX 400 85.5mm 0.5mm Over Vintco PSY14-0.5

    Vintco Piston Kit 75-78 Yamaha Dt MX 400 85.5mm 0.5mm Over Vintco PSY14-0.5

    Out of stock

    This VintCo piston kit is a replacement assembly for Yamaha DT400 models from 1975-1978 and MX400 models from 1975-1976. Intended for vintage 2-stroke applications, it is manufactured using modern materials and production methods for OEM-style fitment and performance, and includes the piston, rings, pin and clips for installation.Features Complete piston kit including piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Wrist pin bearing available separately Coated for running-in Manufactured in Germany Specifications VintCo Part Number: PSY14-0.5 Piston size: 85.5 mm Oversize: +0.5 mm Piston type: Forged Coating: MoS2 Piston measurement: 85.42 mm Clearance: 0.08 mm Vehicle Fitments 1975 Yamaha DT400 1975 Yamaha MX400 1976 Yamaha DT400 1976 Yamaha MX400 1977 Yamaha DT400 1978 Yamaha DT400

    Out of stock

    £211.22

  • Piston Kit 73-75 Yamaha R5 350 66.0mm Over Vintco PSY13-2.0 Piston Kit 73-75 Yamaha R5 350 66.0mm Over Vintco PSY13-2.0

    Vintco Piston Kit 73-75 Yamaha R5 350 66.0mm Over Vintco PSY13-2.0

    Out of stock

    This VintCo piston kit is designed for 1973-1975 Yamaha 350R5 models and suits vintage 2-stroke engine rebuilds requiring a 66.0 mm piston at +2.0 mm oversize. It is supplied as one complete piston assembly and includes the piston, rings, pin and clips. The kit is produced using modern materials and manufacturing techniques to provide OEM-level fitment and performance, with additional size options available and a wrist pin bearing sold separately.Features Complete piston assembly for Yamaha 350R5 models Includes 1 piston, rings, pin and clips Intended for vintage 2-stroke engine rebuilds Produced using modern materials and manufacturing techniques OEM-level fitment and performance MoS2 coated for running-in Wrist pin bearing sold separately Other size options available Specifications VintCo Part Number: PSY13-2.0 Piston diameter: 66.0 mm Oversize: +2.0 mm Piston type: Forged Piston size: 65.93 mm Clearance: 0.07 mm Country of manufacture: Germany Vehicle Fitments 1973 Yamaha 350R5 1974 Yamaha 350R5 1975 Yamaha 350R5

    Out of stock

    £189.98

  • Piston Kit 73-75 Yamaha R5 350 65.5mm 1.5mm Over Vintco PSY13-1.5 Piston Kit 73-75 Yamaha R5 350 65.5mm 1.5mm Over Vintco PSY13-1.5

    Vintco Piston Kit 73-75 Yamaha R5 350 65.5mm 1.5mm Over Vintco PSY13-1.5

    Out of stock

    This VintCo piston kit is designed for 1973-1975 Yamaha 350R5 models and suits vintage 2-stroke engine rebuilds requiring a 65.5 mm piston at +1.5 mm oversize. The kit includes one complete piston assembly with piston, rings, pin and clips. It is manufactured using modern materials and production methods for OEM-equivalent fitment and performance. A wrist pin bearing is available separately, and additional size options are available.Features Complete piston assembly for Yamaha 350R5 applications Includes 1 piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds MoS2 coating for break-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY13-1.5 Piston type: Forged Country of manufacture: Germany Oversize: +1.5 mm Piston size: 65.5 mm Measured size: 65.43 mm Clearance: 0.07 mm Vehicle Fitments 1973 Yamaha 350R5 1974 Yamaha 350R5 1975 Yamaha 350R5

    Out of stock

    £189.98

  • Piston Kit 73-75 Yamaha R5 350 65.25mm +1.25mm Over Vintco PSY13-1.25 Piston Kit 73-75 Yamaha R5 350 65.25mm +1.25mm Over Vintco PSY13-1.25

    Vintco Piston Kit 73-75 Yamaha R5 350 65.25mm +1.25mm Over Vintco PSY13-1.25

    Out of stock

    VintCo PSY13-1.25 is a piston kit for 1973-1975 Yamaha 350R5 models, supplied as one complete piston assembly for vintage 2-stroke engine service. Sized at 65.25 mm with a +1.25 mm oversize, it is manufactured using modern materials and production methods to provide OEM-equivalent or better fit and performance. The kit includes the piston, rings, pin and clips, while the wrist pin bearing is available separately. Additional size options are also available.Features Complete piston assembly for vintage 2-stroke engine rebuilds Includes 1 piston, rings, pin and clips Intended to provide OEM-equivalent or better fit and performance Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY13-1.25 Nominal piston size: 65.25 mm Oversize: +1.25 mm Piston measurement: 65.18 mm Clearance: 0.07 mm Construction: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1973 Yamaha 350R5 1974 Yamaha 350R5 1975 Yamaha 350R5

    Out of stock

    £139.22

  • Piston Kit 73-75 Yamaha R5 350 65.0mm 1.0mm Over Vintco PSY13-1.0 Piston Kit 73-75 Yamaha R5 350 65.0mm 1.0mm Over Vintco PSY13-1.0

    Vintco Piston Kit 73-75 Yamaha R5 350 65.0mm 1.0mm Over Vintco PSY13-1.0

    Out of stock

    This VintCo piston kit is a complete replacement piston assembly for 1973-1975 Yamaha 350R5 models. Designed for vintage 2-stroke applications, it includes one piston, rings, pin and clips, and is manufactured using modern production methods for OEM-equivalent fit and performance. The kit is supplied in a 65.0 mm size with a 1.0 mm oversize. Wrist pin bearing is available separately.Features Complete piston assembly for Yamaha 350R5 models Includes 1 piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Wrist pin bearing sold separately MoS2 coated for break-in Specifications VintCo Part Number: PSY13-1.0 Piston diameter: 65.0 mm Oversize: +1.0 mm Piston measurement: 64.93 mm Clearance: 0.07 mm Forged piston Manufactured in Germany Vehicle Fitments 1973 Yamaha 350R5 1974 Yamaha 350R5 1975 Yamaha 350R5

    Out of stock

    £189.98

  • Piston Kit 73-75 Yamaha R5 350 64.0mm Standard Vintco PSY13-00 Piston Kit 73-75 Yamaha R5 350 64.0mm Standard Vintco PSY13-00

    Vintco Piston Kit 73-75 Yamaha R5 350 64.0mm Standard Vintco PSY13-00

    Out of stock

    This VintCo piston kit is a standard-bore replacement assembly for 1973-1975 Yamaha 350R5 models. It is supplied as one complete piston assembly and includes the piston, rings, pin and clips. The kit is intended for vintage 2-stroke engine rebuilds and uses modern manufacturing methods for OEM-type fitment. A wrist pin bearing is available separately.Features Complete piston assembly for Yamaha 350R5 models Includes 1 piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Wrist pin bearing sold separately MoS2 coating supports running-in Specifications VintCo Part Number: PSY13-00 Standard size Standard bore: 64.0 mm Piston size: 63.93 mm Clearance: 0.07 mm Forged piston Manufactured in Germany Vehicle Fitments 1973 Yamaha 350R5 1974 Yamaha 350R5 1975 Yamaha 350R5

    Out of stock

    £189.98

  • Piston Kit 73-75 Yamaha R5 350 64.5mm 0.5mm Over Vintco PSY13-0.5 Piston Kit 73-75 Yamaha R5 350 64.5mm 0.5mm Over Vintco PSY13-0.5

    Vintco Piston Kit 73-75 Yamaha R5 350 64.5mm 0.5mm Over Vintco PSY13-0.5

    Out of stock

    VintCo piston kit PSY13-0.5 is a replacement piston assembly for Yamaha 350R5 models from 1973 to 1975. Intended for vintage 2-stroke engine rebuilds, this kit is supplied as one complete assembly with the piston, rings, pin and clips. It is manufactured using modern materials and production methods for OEM-equivalent fit and performance. A wrist pin bearing is available separately, and additional size options are also available.Features Complete piston assembly for vintage 2-stroke engine replacement Includes 1 piston, rings, pin and clips Supplied as one complete piston assembly Wrist pin bearing sold separately OEM part number cross-reference provided for exact fitment checking Other size options available Specifications VintCo Part Number: PSY13-0.5 Piston size: 64.5 mm Oversize: +0.5 mm Piston measurement: 64.43 mm Clearance: 0.07 mm Construction: Forged piston Coating: MoS2 Country of manufacture: Germany Vehicle Fitments 1973 Yamaha 350R5 1974 Yamaha 350R5 1975 Yamaha 350R5

    Out of stock

    £189.98

  • Piston Kit 81-81 Yamaha YZ 80 51.0mm 2.0mm Over Vintco PSY12-2.0 Piston Kit 81-81 Yamaha YZ 80 51.0mm 2.0mm Over Vintco PSY12-2.0

    Vintco Piston Kit 81-81 Yamaha YZ 80 51.0mm 2.0mm Over Vintco PSY12-2.0

    Out of stock

    This VintCo piston kit is designed for the 1981 Yamaha YZ80 and provides a complete piston replacement for vintage 2-stroke use. It includes the piston, rings, pin and clips, and is manufactured using modern materials and production techniques to provide OEM-level fitment and performance. A wrist pin bearing is available separately, and additional size options are also offered.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke applications Intended to provide OEM-level fitment and performance Wrist pin bearing sold separately Additional size options available Forged piston MoS2 coated to aid running-in Made in Germany Specifications VintCo Part Number: PSY12-2.0 Piston diameter: 51.0 mm Oversize: +2.0 mm Piston measurement: 50.95 mm Clearance: 0.05 mm Vehicle Fitments1981 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 81-81 Yamaha YZ 80 50.5mm Over Vintco PSY12-1.5 Piston Kit 81-81 Yamaha YZ 80 50.5mm Over Vintco PSY12-1.5

    Vintco Piston Kit 81-81 Yamaha YZ 80 50.5mm Over Vintco PSY12-1.5

    Out of stock

    This VintCo piston kit is designed for the 1981 Yamaha YZ80 and provides a replacement piston assembly for vintage 2-stroke engine rebuilding. Manufactured using modern materials and production techniques, it is intended to deliver OEM-equivalent fitment and performance. The kit includes the piston, rings, pin and clips, and the forged piston is MoS2-coated to support initial running-in. A wrist pin bearing is available separately, additional size options are available, and fitment can be checked against OEM part number references.Features Replacement piston kit for vintage 2-stroke engine service Intended to provide OEM-equivalent fitment and performance Includes piston, rings, pin and clips Supports initial running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY12-1.5 Product type: Piston kit Piston type: Forged Coating: MoS2 Country of manufacture: Germany Piston size: 50.5 mm Oversize: +1.5 mm Measured size: 50.45 mm Clearance: 0.05 mm Vehicle Fitments1981 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 81-81 Yamaha YZ 80 50.0mm 1.0mm Over Vintco PSY12-1.0 Piston Kit 81-81 Yamaha YZ 80 50.0mm 1.0mm Over Vintco PSY12-1.0

    Vintco Piston Kit 81-81 Yamaha YZ 80 50.0mm 1.0mm Over Vintco PSY12-1.0

    Out of stock

    VintCo piston kit PSY12-1.0 is a 1.0 mm oversize replacement piston assembly for the 1981 Yamaha YZ80. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and is produced using modern manufacturing methods for OEM-equivalent fitment. The piston is forged, made in Germany, and finished with a MoS2 coating for running-in; a wrist pin bearing is available separately.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Separate wrist pin bearing available Additional size options available Specifications VintCo Part Number: PSY12-1.0 Piston size: 50.0 mm Oversize: 1.0 mm Measured piston diameter: 49.95 mm Clearance: 0.05 mm Construction: Forged Coating: MoS2 Country of manufacture: Germany Vehicle Fitments1981 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 81-81 Yamaha YZ 80 49.0mm Standard Vintco PSY12-00 Piston Kit 81-81 Yamaha YZ 80 49.0mm Standard Vintco PSY12-00

    Vintco Piston Kit 81-81 Yamaha YZ 80 49.0mm Standard Vintco PSY12-00

    Out of stock

    VintCo PSY12-00 is a standard-size piston kit for the 1981 Yamaha YZ80, intended for vintage 2-stroke engine rebuilds and replacement work. The kit includes the piston, rings, pin and clips, and is manufactured using modern production methods for OEM-level fit and performance. This forged piston is made in Germany and features a MoS2 coating to assist running-in. A wrist pin bearing is available separately.Features Complete piston kit including piston, rings, pin and clips Suitable for standard-bore replacement Intended for vintage 2-stroke engine rebuilds Manufactured for OEM-level fit and performance MoS2 coated to assist running-in Wrist pin bearing available separately Specifications VintCo Part Number: PSY12-00 Piston diameter: 49.0 mm Actual piston size: 48.95 mm Clearance: 0.05 mm Size: Standard Construction: Forged piston Country of manufacture: Germany Vehicle Fitments1981 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 81-81 Yamaha YZ 80 49.5mm 0.5mm Over Vintco PSY12-0.5 Piston Kit 81-81 Yamaha YZ 80 49.5mm 0.5mm Over Vintco PSY12-0.5

    Vintco Piston Kit 81-81 Yamaha YZ 80 49.5mm 0.5mm Over Vintco PSY12-0.5

    Out of stock

    This VintCo piston kit is designed for the 1981 Yamaha YZ80 and suits vintage 2-stroke engine rebuilds. Manufactured in Germany using modern materials and production methods, it is intended to provide OEM-style fitment and performance. The kit includes a 49.5 mm piston in +0.5 mm oversize, along with the rings, pin and clips required for installation. 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 MoS2 coated for break-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY12-0.5 Piston size: 49.5 mm Oversize: +0.5 mm Piston measurement: 49.45 mm Clearance: 0.05 mm Made in Germany Vehicle Fitments1981 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 76-80 Yamaha YZ 80 51mm 2.0mm Over Vintco PSY11-2.0 Piston Kit 76-80 Yamaha YZ 80 51mm 2.0mm Over Vintco PSY11-2.0

    Vintco Piston Kit 76-80 Yamaha YZ 80 51mm 2.0mm Over Vintco PSY11-2.0

    Out of stock

    VintCo piston kit PSY11-2.0 is a complete replacement assembly for Yamaha YZ80 models from 1976 to 1980. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and uses modern materials and manufacturing techniques to provide OEM-equivalent fitment and performance. This version is a 51 mm, +2.0 mm oversize forged piston with MoS2 coating, manufactured in Germany. A wrist pin bearing is available separately.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke Yamaha YZ80 engine rebuilds Designed for OEM-equivalent fitment and performance Prepared for initial running-in Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY11-2.0 Product type: Piston kit Nominal size: 51 mm Oversize: +2.0 mm Piston diameter: 50.95 mm Clearance: 0.05 mm Construction: Forged Coating: MoS2 Manufacturing origin: Germany Vehicle Fitments 1976 Yamaha YZ80 1977 Yamaha YZ80 1978 Yamaha YZ80 1979 Yamaha YZ80 1980 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 76-80 Yamaha YZ 80 50.5mm Over Vintco PSY11-1.5 Piston Kit 76-80 Yamaha YZ 80 50.5mm Over Vintco PSY11-1.5

    Vintco Piston Kit 76-80 Yamaha YZ 80 50.5mm Over Vintco PSY11-1.5

    Out of stock

    VintCo PSY11-1.5 is a piston kit for Yamaha YZ80 models from 1976 to 1980, intended for vintage 2-stroke engine rebuilds. This oversize kit is designed to provide OEM-equivalent or better fitment and performance, using modern materials and manufacturing techniques. It includes the piston, rings, pin and clips for assembly, while a wrist pin bearing is available separately.Features Complete piston kit with piston, rings, pin and clips Intended for vintage 2-stroke engine rebuilds Designed for OEM-equivalent or better fitment and performance Supports running-in Wrist pin bearing sold separately Additional size options available OEM part number reference used to confirm fitment Specifications VintCo Part Number: PSY11-1.5 Forged piston Made in Germany MoS2 coated Oversize: +1.5 mm Nominal size: 50.5 mm Piston size: 50.45 mm Clearance: 0.05 mm Vehicle Fitments 1976 Yamaha YZ80 1977 Yamaha YZ80 1978 Yamaha YZ80 1979 Yamaha YZ80 1980 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 76-80 Yamaha YZ 80 50.0mm 1.0mm Over Vintco PSY11-1.0 Piston Kit 76-80 Yamaha YZ 80 50.0mm 1.0mm Over Vintco PSY11-1.0

    Vintco Piston Kit 76-80 Yamaha YZ 80 50.0mm 1.0mm Over Vintco PSY11-1.0

    Out of stock

    VintCo piston kit PSY11-1.0 is a replacement piston kit for 1976-1980 Yamaha YZ80 models. Intended for vintage 2-stroke engine rebuilds, this kit includes the piston, rings, pin and clips, with a wrist pin bearing available separately. It is manufactured using modern production methods for OEM-equivalent fitment and performance.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke Yamaha YZ80 applications Wrist pin bearing sold separately Additional size options available Specifications VintCo Part Number: PSY11-1.0 Piston size: 50.0 mm Oversize: +1.0 mm Piston measurement: 49.95 mm Clearance: 0.05 mm Forged piston MoS2 coated for break-in Made in Germany Vehicle Fitments 1976 Yamaha YZ80 1977 Yamaha YZ80 1978 Yamaha YZ80 1979 Yamaha YZ80 1980 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 76-80 Yamaha YZ 80 49.0mm Standard Vintco PSY11-00 Piston Kit 76-80 Yamaha YZ 80 49.0mm Standard Vintco PSY11-00

    Vintco Piston Kit 76-80 Yamaha YZ 80 49.0mm Standard Vintco PSY11-00

    Out of stock

    VintCo piston kit PSY11-00 is a standard-bore replacement kit for 1976-1980 Yamaha YZ80 models. Intended for vintage 2-stroke applications, it includes the piston, rings, pin and clips, with the wrist pin bearing available separately. The forged piston is made in Germany and MoS2 coated for running-in, and is manufactured using modern materials and processes for OEM-equivalent fitment and performance.Features Standard-bore replacement piston kit for Yamaha YZ80 models Suitable for vintage 2-stroke applications Includes piston, rings, pin and clips Wrist pin bearing sold separately Forged piston MoS2 coated for running-in Manufactured for OEM-equivalent fitment and performance Specifications VintCo Part Number: PSY11-00 Nominal size: 49.0 mm Standard size: 48.95 mm Clearance: 0.05 mm Country of manufacture: Germany Vehicle Fitments 1976 Yamaha YZ80 1977 Yamaha YZ80 1978 Yamaha YZ80 1979 Yamaha YZ80 1980 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 76-80 Yamaha YZ 80 49.5mm 0.5mm Over Vintco PSY11-0.5 Piston Kit 76-80 Yamaha YZ 80 49.5mm 0.5mm Over Vintco PSY11-0.5

    Vintco Piston Kit 76-80 Yamaha YZ 80 49.5mm 0.5mm Over Vintco PSY11-0.5

    Out of stock

    VintCo piston kit PSY11-0.5 is a forged replacement piston kit for 1976-1980 Yamaha YZ80 models. Intended for vintage 2-stroke engine rebuilds, it is manufactured using modern materials and production techniques for OEM-equivalent fit and performance. The kit includes the piston, rings, pin and clips, while the wrist pin bearing is available separately.Features Complete piston kit with piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Forged piston construction MoS2-coated for running-in Wrist pin bearing sold separately Made in Germany Specifications VintCo Part Number: PSY11-0.5 Nominal piston size: 49.5 mm Oversize: +0.5 mm Piston measurement: 49.45 mm Clearance: 0.05 mm Vehicle Fitments 1976 Yamaha YZ80 1977 Yamaha YZ80 1978 Yamaha YZ80 1979 Yamaha YZ80 1980 Yamaha YZ80

    Out of stock

    £103.02

  • Piston Kit 79-81 Yamaha Dt MX 175 68.0mm 2.0mm Over Vintco PSY10-2.0 Piston Kit 79-81 Yamaha Dt MX 175 68.0mm 2.0mm Over Vintco PSY10-2.0

    Vintco Piston Kit 79-81 Yamaha Dt MX 175 68.0mm 2.0mm Over Vintco PSY10-2.0

    Out of stock

    VintCo piston kit PSY10-2.0 is a forged replacement set for 1979-1981 Yamaha DT175 and MX175 2-stroke motorcycles. Manufactured in Germany using modern materials and manufacturing processes, it is designed to provide OEM-equivalent fit and performance for vintage engines. This 68.0 mm piston kit in +2.0 mm oversize includes the piston, rings, pin and clips.Features Complete kit with piston, rings, pin and clips OEM part number cross-reference provided for fitment verification Wrist pin bearing available separately Additional size options available MoS2 coating supports running-in Specifications VintCo Part Number: PSY10-2.0 Product type: Piston kit Piston diameter: 68.0 mm Oversize: +2.0 mm Piston measurement: 67.94 mm Clearance: 0.06 mm Construction: Forged Country of manufacture: Germany Vehicle Fitments 1979 Yamaha DT175 1979 Yamaha MX175 1980 Yamaha DT175 1980 Yamaha MX175 1981 Yamaha DT175 1981 Yamaha MX175

    Out of stock

    £157.62

  • Piston Kit 79-81 Yamaha Dt MX 175 67.5mm 1.5mm Over Vintco PSY10-1.5 Piston Kit 79-81 Yamaha Dt MX 175 67.5mm 1.5mm Over Vintco PSY10-1.5

    Vintco Piston Kit 79-81 Yamaha Dt MX 175 67.5mm 1.5mm Over Vintco PSY10-1.5

    Out of stock

    VintCo piston kit for Yamaha DT175 and MX175 models from 1979 to 1981, intended for vintage 2-stroke engine rebuilds. This forged 67.5 mm piston is 1.5 mm oversize and is supplied with rings, pin and clips. It is made in Germany and uses modern materials and manufacturing methods for OEM-equivalent fit and performance, with a MoS2 coating to aid running-in.Features Complete piston kit Includes piston, rings, pin and clips Suitable for vintage 2-stroke engine rebuilds Forged piston MoS2 coated for running-in Wrist pin bearing sold separately Additional size options available OEM part numbers are provided for fitment reference Made in Germany Specifications VintCo Part Number: PSY10-1.5 Piston size: 67.5 mm Oversize: +1.5 mm Piston measurement: 67.44 mm Clearance: 0.06 mm Vehicle Fitments 1979 Yamaha DT175 1979 Yamaha MX175 1980 Yamaha DT175 1980 Yamaha MX175 1981 Yamaha DT175 1981 Yamaha MX175

    Out of stock

    £157.62

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