Help,I am at "wits end" here. I have Suzuki 9.9 2 stroke 1988. I can find inexpensive,60 dollar,spares all over the place for years up to 87. Then nothing. My prop i.d.states;8x8.5 E800,Made in Japan. Suzuki wants to charge 150.00 for a substitute 3x9x8.5,part number 58100-92D11-019.Question...