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GUARANTEED Manufacturer OEM Parts
The 50cc GY6 Engine, 1P39QMB, is a factory-spec OEM long-case automatic motor designed to deliver smooth, reliable power while preserving your bike’s original fit and performance! Tailored specifically for Icebear Maddog 50 cc scooters—including Generation I (PMZ50-19), Gen 4 (PMZ50-21), Gen 5 (PMZ50-22), as well as models like PMZ50-20, PMZ50-M1, PMZ50-M5, PMZ50-4J, PMZ50-17, and PST50 variants—this engine ensures seamless integration with factory mounts and drivetrain systems for a true plug-and-play installation.
Financing is also available! Get the parts you need now and pay over time with Sezzle or Klarna! Choose one at checkout to split your purchase into easy, interest-free payments.
LONG CASE ENGINE










