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#3354638 - 04/27/14 12:54 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
ddrumman2004 Offline


Registered: 11/16/04
Posts: 1003
Loc: Mississippi
It would sure make life easier if there was a good oil for all three "holes" on a Harley Twin Cam. My opinion, there isn't. My opinion that is!

I use Mobile V Twin in the oil tank on my Heritage, 75/90 gear oil in the transmission.....it's a gear box, not an engine with a wet clutch.....and good old Rotella 15/40 in the primary where the wet clutch lives.

Just have to buy three different oils when I change all three.
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#3354674 - 04/27/14 01:54 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
smokey422 Offline


Registered: 11/03/13
Posts: 19
Loc: Marshall, MO USA
For your transmission, I would pick a regular multi-grade gear lube. My pick of the litter is Amsoil 75W90 Severe Gear lube but there are many good ones on the market. Gear oils are made to stand up to the shearing action of gears and you can go for longer change intervals.

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#3356497 - 04/29/14 08:03 AM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
Bandito440 Offline


Registered: 02/13/12
Posts: 3577
Loc: NYS
Red Line Shockproof Heavy in the transmission
Rotella T Triple 15w-40 in the primary
Red Line 20w-50 in the motor (the regular stuff, not motorcycle specific)
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#3358048 - 04/30/14 06:08 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: dr2152]
FenderGuy53 Offline


Registered: 04/24/14
Posts: 9
Loc: NJ
Originally Posted By: dr2152
Mobile 1 15-50 in motor every 5k miles
Walmart 20-50 in primary every 5k miles
Mobile 1 70-9- gear lube in transmission every 10k miles


I decided on the same course of action for motor and tranny; I'll be using the Mobil 1 15W-50 in the primary, too. For under $25 for a 5-quart jug, I saw no reason to buy something else.

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#3358050 - 04/30/14 06:13 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: Propflux01]
FenderGuy53 Offline


Registered: 04/24/14
Posts: 9
Loc: NJ
Originally Posted By: Propflux01
Originally Posted By: FenderGuy53

My owner manual recommends a 20W-50 oil and I would prefer motorcycle specific brands. Also, I'd like to be able to achieve 3000-5000 mile OCI's.

So, whaddayathink? Any good options out there?

Thanks, guys.


I Know you say MC specific oil in all 3 holes, but please reconsider using standard 20w-50 oil in the tranny. Use a good gearbox oil instead, and change every two years. engine and primary are not too picky and can use any othe above posted suggestions for oils. your shifting feel and your tranny will thank you.


Great point, Propflux01. I got convinced to use something more purpose specific for the tranny, so I'm going with Mobil 1 75W-90 gear lube.

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#3363527 - 05/06/14 03:52 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
Climb14er Offline


Registered: 12/01/09
Posts: 71
Loc: Denver, CO
2011 Harley RKC 103

Redline 20W-50 V-Twin Engine

Redline V-Twin Primary

Redline Shock proof Tranny

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#3364815 - 05/07/14 06:42 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
benjy Offline


Registered: 08/23/10
Posts: 430
Loc: pa
a hot running big V-twin needs a REAL synthetic, group IV + or V. that rules many out. Amsoil or Redline are the best REAL synthetics, mobil I V-Twin isn't far behind. Amsoil's high TBN will allow 5,000 mile changes easily. in my sporty i changed 20-50 Amsoil at the end of riding season, i ride like you, not into icy temps, rain, or snow for sure! never needed any additional oil between changes either. tried amsoil + redline gear lubes, not much help fot the clunky tranny maybe the heavier lubes out now may be a bit better


Edited by benjy (05/07/14 06:49 PM)

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#3377004 - 05/20/14 11:11 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
Idahokid Offline


Registered: 08/11/12
Posts: 27
Loc: Northern Idaho
Lucas says there syn motorcycle oil can be ran in all three holes.I just bought my first Harley and might give it a try.
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#3377122 - 05/21/14 07:19 AM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: Idahokid]
LC Offline


Registered: 08/26/05
Posts: 484
Loc: Wisconsin
You may want to do a little research on Lucas Motorcycle oil.
There is a UOA on this site. (not the best results)
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#3381837 - 05/26/14 10:24 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
loneryder Offline


Registered: 04/19/14
Posts: 278
Loc: WV
Originally Posted By: FenderGuy53
Guys, I am a complete neophyte when it comes to evaluating the characteristics of motorcycle oil, so I defer to the experts here for assistance in choosing a suitable motor oil that not only excels in performance and protection, but also is suitable for use in all three (3) holes of my 2011 HD Street Glide.

I'm a conservative, fair weather rider and I only ride from late April through November, in temps averaging 55-95 degrees.

My owner manual recommends a 20W-50 oil and I would prefer motorcycle specific brands. Also, I'd like to be able to achieve 3000-5000 mile OCI's.

So, whaddayathink? Any good options out there?

Thanks, guys

To keep it simple, I use Mobil 1 20-50 in engine and primary and Mobil 1 75-90 in the trans. You will notice the difference after that HD [censored]. People on here have said that you don't need to worry about what kind of oil in the primary but you have a plastic chain tensioner in there that you don't want to wear out prematurely.


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#3381961 - 05/27/14 06:52 AM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
Silverado12 Offline


Registered: 02/26/13
Posts: 2255
Loc: Central Virginia
I just did my oil change last week. I have Delo 15W-40 in the engine and primary (all stock motor that's not run hard), H-D Performance + in the tranny. I plan on changing the Delo at 2000 miles, the filter at 4,000. I figure 15W-40 at 2,000 miles is better than 20W-50 when it approaches 5K. I'm the only rider (seldom ride 2-up), but if the bike was run hard or raced I would probably be too scared to run truck oil in the engine.
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#3382250 - 05/27/14 03:06 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
rossn2 Offline


Registered: 02/24/04
Posts: 398
Loc: Ft Hood Texas area
Quote:
have Delo 15W-40 in the engine and primary (all stock motor that's not run hard), H-D Performance + in the tranny.


Why run 15w-40 in a stock HD engine? Does it have an Oil cooler on it?



Edited by rossn2 (05/27/14 03:08 PM)
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#3382486 - 05/27/14 08:58 PM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: rossn2]
pwr2tow Offline


Registered: 02/02/07
Posts: 120
Loc: -38*F winter, 118*F summer
Originally Posted By: rossn2
Quote:
have Delo 15W-40 in the engine and primary (all stock motor that's not run hard), H-D Performance + in the tranny.


Why run 15w-40 in a stock HD engine? Does it have an Oil cooler on it?



Why not run 15-40 diesel oil in a stock HD engine?

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#3382791 - 05/28/14 07:12 AM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: FenderGuy53]
rossn2 Offline


Registered: 02/24/04
Posts: 398
Loc: Ft Hood Texas area
Maybe because it's only recommended below 40 degrees.
He should be running 20w-50 oil in the bike..
_________________________
2015 Ram 1500 Crewcab Laramie, 4x4, 3.21 rear and Hemi
2016 Hyundai Tuscon ECO 4cyl (33mpg)
2015 FLHTK (Stage IV kit, 106 HP) 2013 CVO Ultra,

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#3382886 - 05/28/14 09:22 AM Re: Best 20W-50, 3-Hole Oil for Harley V-Twin Tourer? [Re: rossn2]
BigCahuna Offline


Registered: 09/29/09
Posts: 1926
Loc: Deep in the heart of Jersey
Originally Posted By: rossn2
Maybe because it's only recommended below 40 degrees.
He should be running 20w-50 oil in the bike..
+1, Another guy that actually read the book.,,

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