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Thread: rotax 447 vs 377

  1. #1
    Registered User
    Join Date
    Jul 2005

    rotax 447 vs 377

    hi guys does anyone know if the cooling shroud from 377 fit 447 ,i bought 447 which flown on ul type cub airplane ,and someone modified the exhaust system which include cutting inside the cooling shroud to fit tighter exhaust y pipe ,if anyone has used cooling shourd available im willing to buy one thanks

  2. #2
    Registered User
    Join Date
    Mar 2011
    Sunfair, Ca / USA

    Re: rotax 447 vs 377

    Most of the parts will interchange between a 377 and a 447. The only things that you really can't swap are the pistons, cylinders, heads, and carburetor jetting. Avoid the aluminium shrouds, they are a big problem, use only steel ones.

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