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Tan, MerCruiser Certified Technician
Category: Boat
Satisfied Customers: 10896
Experience:  40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.
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I recently purchased a t9.9 outboard motor pontoon boat.

Customer Question

I recently purchased a t9.9 outboard motor for my pontoon boat. And today my propeller bumped a bolder under water and the propellor is scrapped on one prop. I want to replace it my self. What size propellor do I get. The manual doesn't state it. My marina I purchased from said it is a 11 3/4 by 7. I want to order one tonight so I can switch it out. Thank u
Submitted: 2 years ago.
Category: Boat
Expert:  Tan replied 2 years ago.
Hello. My name is***** get the engine model year?
Customer: replied 2 years ago.
Yamaha t 9.9 ..brand new 2015
Expert:  Tan replied 2 years ago.
Look on the prop are there any numbers on the prop?
Customer: replied 2 years ago.
Hey tan, no I didn't see any.. My marina where I purchased it said it was a 11 3/4 ,,7.. That's the size but when I look it up on the internet not coming up
Expert:  Tan replied 2 years ago.
Yeah I'm having the same issue. Post the complete engine model number please.Have you looked in the center part of the hub of the prop for the number?
Expert:  Tan replied 2 years ago.
The only thing I come up with close is 11 3/4 X 9 1/4.
Customer: replied 2 years ago.
It's completely white and couldn't see it..its at the marina and I'd run down there to see but we are getting a bad storm at the moment...
Yamaha t 9.9 LPB 6AVK L(###) ###-####
Customer: replied 2 years ago.
Do I need the same size. I can change the size no.?
Expert:  Tan replied 2 years ago.
Found it. Here's the link. Here's the reference page. Scroll down to # *****
Customer: replied 2 years ago.
Ok thanks a lot tan ..
Expert:  Tan replied 2 years ago.
Your welcome...........Thank you..........Tan
Expert:  Tan replied 2 years ago.
Please don't forget to positively rate me as that is how I get credit for helping you. Thank you........Tan

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