This VintCo cylinder sleeve is a replacement cast-iron liner for vintage Ossa 250 models, intended for installation by an experienced and qualified machinist when rebuilding a worn or damaged cylinder. It is manufactured in the USA for VintCo by Advanced Sleeve and is designed with correctly angled ports to reduce the amount of port-matching work required. The sleeve can be bored and honed to suit the stock-size VintCo piston kit specified for this application.

Features

• Replacement cylinder sleeve for vintage Ossa 250 models
• Suitable for cylinder restoration and rebuild work
• USA-made cast-iron construction
• Made for VintCo by Advanced Sleeve
• Ports are angled correctly to reduce port-matching work
• Intended for installation by an experienced and qualified machinist
• Can be bored and honed to suit the stock-size VintCo piston kit

Specifications

• VintCo Part Number: OW-118-052
• Piston Part Number: OW-133-003-S.00
• Bore: 72 mm
• Height: 115.8 mm
• Outside Diameter: 78 mm
• Flange Outside Diameter: 82.95 mm
• Flange Height: 4.1 mm
• Wall Thickness: 3.5 mm
• Spigot Outside Diameter: 76.8 mm
• Spigot Height: 13 mm
• Exhaust Port Location: 37.6 mm

Vehicle Fitments

• 1970 Ossa Pioneer 250cc
• 1971 Ossa Pioneer 250cc
• 1972 Ossa Pioneer 250cc
• 1972 Ossa MAR Mick Andrews Replica 250cc
• 1973 Ossa SDR Six Day Replica
• 1973 Ossa Explorer 250cc
• 1973 Ossa MAR Mick Andrews Replica 250cc
• 1974 Ossa Explorer 250cc
• 1974 Ossa Super Pioneer
• 1975 Ossa Super Pioneer
• 1976 Ossa Super Pioneer