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Engines, pumps and impellers

Under the hatch and behind the grate. Yamaha 1.8s, Rotax, wear rings, cooling, speed lost. 2 threads, 12 posts.

Threads

  1. 2019 Yamaha AR195 overheat alarm idling through the no wake zone, only on hot July afternoons
    started by used_to_own_a_mastercraft
    5 replies3110 views
    Aug 4, 2025by twin_engine_dad
  2. 2018 Yamaha 242 Limited S lost 5 mph and the hole shot is soft: impeller, wear ring, or something dumber?
    started by twin_engine_dad
    5 replies3195 views
    Jul 12, 2025by twin_engine_dad

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