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250CC Modified Hydroplane

250CC Modified Hydroplane

250cc Modified Hydro (250ccMH), Also known a "A Mod" & AMH

Class Specifications

Minimum Length:
Minimum Weight:365 lbs.
Engine:Swanson/Champion or American Hot Rod, "A" Mercury KG4H and Mark 15, or "converted" Mark20H
Fuel:
Approximate Speed:60-65mph
National Champion:
High Point Winner: