Victa 2-stroke barrels have always been unlined cast iron.
The question with that barrel is, how deep are any corrosion pits, and what diameter overbore would be required to eliminate them?
Oversize piston/ring sets are available up to 0.060"/1.5mm over standard bore.
Cheers,
Gadge
"ODK Mods can explain it to you, but they can't understand it for you..."
"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."
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