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Author Topic:   1989 20' outrage 150hp prop size
johnbert35 posted 07-25-2001 06:23 PM ET (US)   Profile for johnbert35   Send Email to johnbert35  
Can anyone owning a 1989 20' outrage with a 150 hp motor tell me what size prop they are running?
Thank You
Bigshot posted 07-26-2001 09:42 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
What are you running now and what is your WOT rpm?
johnbert35 posted 07-30-2001 01:57 PM ET (US)     Profile for johnbert35  Send Email to johnbert35     
I run 4800 with a 13 3/4 x 18. went to a 15 1/4 x 15 and turn 5000. Performance with 15 1/4 is not good with a full load in boat.
Bigshot posted 07-30-2001 02:41 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Were you always running these rpm's or did they drop, just get the boat? Reason being the frst prop sounds about right. I would try a 14 or 14 1/4x 15. The other 15 you tried has too big a diameter. You should be up around 5500. I am just worried that you have other issues than a prop. Sometimes people will stick any prop on a boat to sell it, etc. Anyody out there have this combo or close. What would a 20' outrage run?
johnbert35 posted 07-31-2001 08:12 AM ET (US)     Profile for johnbert35  Send Email to johnbert35     
I just bought the boat and felt the rpm's where not high enought at 4800. I am going to do a compression test even thought the engine sounds and runs great.
Thank You
I will keep you posted.
White Bear posted 08-01-2001 08:13 PM ET (US)     Profile for White Bear  Send Email to White Bear     
1988 20'Outrage with 140hp Johnson; wheel is 14 x 17 - WOT rpm is 5300/5400.

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