Hirth F-23 - Page 34

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Engine model number ____________________ Engine horsepower _______________
Engine serial number. ____________________
Date of purchase. ____________________
Place of purchase. ____________________
PSRU - Type/Ratio. ____________________ PRSU = Propeller speed reduction unit.
Number of carburetors _____ Type of carburetor _________________
Application – Type of vehicle ______________ Tractor or pusher prop_____________