Yammalube.....

[smann]

I understand that Yammalube is made for their outboards, but are there any other alternatives for the 4 stroke engine that may be a little more cost effective? What about AMSoil? Thanks!!

 

[yamatech43]

Re: Yammalube.....

Here is the thing, any automotive oil that is decent(castrol, shell, etc) is fine....yama does NOT recommend synthetic oils in it's motors.....the only
problem is that in cooler waters outboards run a lot cooler at times than car engines, and Yamaha especially has had a problem with "oil growth", which
is due to excess fuel that gets past rings into crankcase which is normally burned off(boiled) in combustion engines but since outboards run so cool...it doesn't...so the oils are special to try to minimize this 'oil growth' but most people don't have a problem with this...so you may not need the special oil just a good oil....

 

[smann]

Re: Yammalube.....

Thanks! I live in Alabama so cooler waters are not an issue unless fishing in the dead of winter. As far as the oil is concerned do you use a 5w-30-40, 10w-30-40?

 

[seahorse5]

Re: Yammalube.....

Amsoil makes a 4-stroke outboard oil that is FC-W certified by the National Association of Marine Manufacturers and is approved by Yamaha and all other 4-stroke outboard companies since it is registered to meet the specs and warranty coverage requirements.

If you don't want the more expensive synthetic oils, look for the FC-W certified logo on other makes of 4-stroke outboard oils or go to nmma.org and look up the brands that are certifed FC-W (4 Cycle - Watercooled)

 

[Cavitating]

Re: Yammalube.....

Here is the thing, any automotive oil that is decent(castrol, shell, etc) is fine....yama does NOT recommend synthetic oils in it's motors.....the only
problem is that in cooler waters outboards run a lot cooler at times than car engines, and Yamaha especially has had a problem with "oil growth", which
is due to excess fuel that gets past rings into crankcase which is normally burned off(boiled) in combustion engines but since outboards run so cool...it doesn't...so the oils are special to try to minimize this 'oil growth' but most people don't have a problem with this...so you may not need the special oil just a good


Why would Yamaha make a 4M FC-W synthetic if they don't recommend it?
Read the information below and go to the Yamalube page.
http://www.yamaha-motor.com/outboard/apparel/apscitemdetail/3/121/802/1/10100/detail.aspx


Yamalube 4M FC-W? Full Synthetic SAE 5W-30 Marine Motor Oil

Group IV fully synthetic oil offers our best outboard lubrication and performance, and it?s FC-W? rated by the National Marine Manufacturers Association (NMMA?). Contains all of the benefits of mineral oil-based Yamalube 4M, with increased lubricity for lower friction levels and potentially improved fuel economy. Specific marine additives help combat rust, corrosion, varnish, and wear; all while providing high levels of bearing protection, resistance to foaming, and lubrication. Recommended primarily for Yamaha V MAX SHO outboards. Also works well in other Yamaha four stroke outboards (such as the V6 Offshore and F70 models) as well as other brands of marine sterndrive and inboard engines. 5W-30 weight provides excellent lubrication in all climates.
*Please refer to your authorized Yamaha dealer for pricing

32 oz. Bottle Only


LUB-05W30-FC-12 $134.00 *
*

*



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[patbalmos]

Re: Yammalube.....

I run 15w40 in my four stroke 115 during the summertime. My book says 10w30 in all temperatures and 25w40 from 40 digrees on up. I figure the 15w40 is in between and has served me well so far. And a lot cheaper than Yamaha oil

 

[seahorse5]

Re: Yammalube.....

Why would Yamaha make a 4M FC-W synthetic if they don't recommend it?

They are no different than Harley-Davidson who badmouthed synthetic oil for many years then came out with their own brand of synthetic oil due to the increased heat generated in their Twin-Cam motor.

Now that Yamaha has no cast-iron cylinder sleeves, just a plasma coating over the aluminum cylinder block, better lubrication was needed and they came out with a synthetic oil for themselves.

 

[mommicked]

Re: Yammalube.....

For what the motor cost and making oil issues I encounter. I dont mind buying the yamalube. I put a leftover half quart in my 82 Toyota 22R and it felt like it had 10 more hp for a while!