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Lower Gear Oil For Mercury Torque Master II #13739989 10/22/20 05:52 PM
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Hook'em79 Online Content OP
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What is the best oil to use on this lower unit? Got a new to me boat and want to change it out this weekend myself.

Thanks


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Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Lower Gear Oil For Mercury Torque Master II [Re: Hook'em79] #13740032 10/22/20 06:22 PM
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Ranger1 Offline
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I use Lucas Synthetic I believe it is 90 weight

Re: Lower Gear Oil For Mercury Torque Master II [Re: Hook'em79] #13740234 10/22/20 08:18 PM
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C130 Offline
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I use the Mercury/Quicksilver lower unit gear oil on my Torquemaster II but if I recall there’s two different ones, get the better of the two.


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Re: Lower Gear Oil For Mercury Torque Master II [Re: C130] #13741056 10/23/20 02:15 PM
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Mike2718 Offline
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Originally Posted by C130
I use the Mercury/Quicksilver lower unit gear oil on my Torquemaster II but if I recall there’s two different ones, get the better of the two.

C130 is correct. There are 2 different kinds of Mercury/Quicksilver lower unit oil. The MERCURY repair manual states the oil that is REQUIRED is called “Hi-Performance Gear Lube” by Mercury/Quicksilver. You will see that on the bottle. I’m not trying to start a debate because Lucas Synthetic may actually be just fine or even better but I was just stating what the official repair manual states.


Have a Blessed Day,
Mike
Re: Lower Gear Oil For Mercury Torque Master II [Re: Hook'em79] #13741081 10/23/20 02:36 PM
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Coolarrow Offline
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The Hi Performance gear oil is good oil. I run it in my lower units.

Re: Lower Gear Oil For Mercury Torque Master II [Re: Coolarrow] #13741501 10/23/20 08:14 PM
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Hook'em79 Online Content OP
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Thanks everyone for the advice, off to the store now to get it bought.


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