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post #1 of 11 (permalink) Old 01-25-2019, 09:25 PM Thread Starter
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Stupid question but do these fluids look correct. Just want to make sure before I drop them in tomorrow. Prestone 50/50 antifreeze, Mobil1 10w-40 high mileage, moly-lithium for the splines and 80w-90 gear oil for the final drive

Last edited by Chevy65; 01-25-2019 at 11:47 PM.
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post #2 of 11 (permalink) Old 01-26-2019, 12:50 AM
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That high mileage stuff has friction modifiers in it. Why would you want the friction plates in your clutch to slip? And the seal swellers in it can make the friction materials swell and actually let loose. Not a good idea.

Rotella for deisel engines is my go to for shared sump engines. Water or air cooled.
Read about additive packages and think about your application and you'll see why.

If you insist on mobile one, they make two oils specifically for motorcycles with shared sumps...
"4T" and "Vtwin"
Water cooled and air cooled respectively.

50/50 just means pre mixed
You need the coolant bottle to say "safe for aluminum"

That spline lube should be just fine.
Lithium stays put till melted and the "Molly" makes it slicker

The 80/90 sounds good too
It's marked "Hypoid" gear oil, right?

Last edited by SkyPilot; 01-26-2019 at 01:03 AM.
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post #3 of 11 (permalink) Old 01-26-2019, 02:06 AM Thread Starter
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Defently DONOT want that. I saw the 4T but wasn’t sure about it and also saw the stuff for v twins but only in a higher weight than what I wanted. Didn’t know the high mileage had that stuff in it I read the label but there wasn’t a “idiot label” an my ignorance got the best of me.

Do not insist on Mobil one just want the best I can get for it. Will defently take that stuff back!!!
About the coolant it’s the prestone cor-guard, read on there website that it’s is safe for aluminum but couldn’t find a stamp on the jug saying so. Thanks for the response before I messed this thing up

Same with the Valvoline gear oil but on there website for the specific bottle I bought it says for conventional hypoid differentials so I’m assuming that’s good?
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post #4 of 11 (permalink) Old 01-26-2019, 10:47 AM
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I like Rotella T4 (conventional) 15w40. But their T5 and T6 (synthetic blend and full synthetic) are good also.

Wasn't sure about the lithium, but after searching around, it should be ok. Answered you here: https://www.vn750.com/forum/26-trans...line-lube.html

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post #5 of 11 (permalink) Old 01-26-2019, 01:10 PM
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I have used some conventional auto motor oil before as well. key is the 'energy conserving' rating. without it, you should be ok. my last couple changes where using Amalie 10-40 semi synthetic. I had good results, it even helped my coffee grinder syndrome a little (yea, I was too lazy to pull the basket and drill).

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post #6 of 11 (permalink) Old 01-26-2019, 08:42 PM Thread Starter
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Got a jug of Rotella t5 15w40! Is the t5 as good as the t6? T6 was $59 a gallon. Made me kinda pale in the face
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post #7 of 11 (permalink) Old 01-27-2019, 11:48 AM
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I'm a convert now. I'll only use synthetic oils or gear oils now. But you definitely want a high moly grease for the splines. (They do make a synthetic, Kraytec? but it's like $80 an ounce)
Mobil One "Racing" Motorcycle oil is great stuff, but it's hard to find, and a bit $$. I'm fine with the Rottella Synthetic. (Triumph only recommends synthetics for their bikes)

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post #8 of 11 (permalink) Old 01-28-2019, 04:23 PM
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Synthetic motor oil is meant for modern "tighter" tolerances...
Definitely wouldn't throw them in a high mileage bike. End up burning a lot of oil past the rings...
And without those seal swelling additives, your gonna find all the leaks!
Just change the "dinosaur" oil as the manual recommends and you'll be fine.
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post #9 of 11 (permalink) Old 01-28-2019, 08:30 PM Thread Starter
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Quote:
Originally Posted by Spockster View Post
I like Rotella T4 (conventional) 15w40. But their T5 and T6 (synthetic blend and full synthetic) are good also.

Wasn't sure about the lithium, but after searching around, it should be ok. Answered you here: https://www.vn750.com/forum/26-trans...line-lube.html

Ended up with the Rotella t5. Thank you for the research! I looked around but couldn’t really find much.
Also down loaded the service manual links. Very useful.
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post #10 of 11 (permalink) Old 01-28-2019, 08:32 PM Thread Starter
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Quote:
Originally Posted by michiganteddybear View Post
I have used some conventional auto motor oil before as well. key is the 'energy conserving' rating. without it, you should be ok. my last couple changes where using Amalie 10-40 semi synthetic. I had good results, it even helped my coffee grinder syndrome a little (yea, I was too lazy to pull the basket and drill).
Let me show my green alil... what is the coffee grinder syndrome??
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