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Old 28 May 2018, 09:35   #1
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Johnson 25hp 2T 1999 gear oil?

I need some gear oil for my johnson and found some from a company Westway Lubricants.

EP 80w/90 Hypoid oil GL-5 is this the correct weight and oil for my johnson 25

Thanks..DirtyOars
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Old 28 May 2018, 10:09   #2
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I think your manual will ask for own brand Ultra-HPF marine gear oil. Not sure if that is a 80w/90 or a GL-5. Most important is the oil from the Westway supplier a marine gear oil? If not do you mind?
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Old 28 May 2018, 10:30   #3
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Is it against forum rules to post an ebay link i can link you to it?

I do have some standard 80w/90 GL5 hypoid gear oil from when i serviced my mates motorcycle i could use that but id prefer to use the correct outboard oil if your going to do a job might aswel do it properly
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Old 28 May 2018, 11:53   #4
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Ebay links are fine, we’re always at it!
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Old 28 May 2018, 12:03   #5
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Quote:
Originally Posted by DirtyOars View Post
Is it against forum rules to post an ebay link i can link you to it?

I do have some standard 80w/90 GL5 hypoid gear oil from when i serviced my mates motorcycle i could use that but id prefer to use the correct outboard oil if your going to do a job might aswel do it properly


According to the blurb, the marine stuff emulsifies water & can carry about 25% by volume & still be within spec. I always used the BRP hpf in my Etecs. As with all these types of questions, it's about your attitude to cost/risk, & the true cost is the difference between using the proper gear & the cheapo substitute. I.e if the cheap stuff is £1 & the proper stuff is £1.50, the actual cost of the proper stuff is £0.50p. As you're a bloke who likes to do it right, I'd spend the extra 50p
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Old 28 May 2018, 17:40   #6
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https://www.ebay.co.uk/itm/1L-80w90-...UAAOSwZQxW3e7b
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Old 28 May 2018, 17:46   #7
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That seems to be what you already have in your post #3.

Personal choice but whatever age of OB I use the marine stuff as PD.
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Old 29 May 2018, 08:23   #8
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Thanks fenlander.

Are you saying this isnt the right oil for my outboard?

Seller assured me its an outboard gear oil thats why i come on here to ask the pro's
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Old 29 May 2018, 09:12   #9
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My rule is to want to see the packaging labelled up for marine use and I did look at the link and didn’t see any mention... did I miss it?

Assuming it’s not mentioned on the packaging then that is likely because it doesn’t meet a marine spec.

As I said above up to personal choice if that bothers you.
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Old 29 May 2018, 09:44   #10
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Cheers fenlander ill find one marked up for marine use

Thanks very much
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