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#4701559 - 03/21/18 08:04 AM Super Tech 15w40 and other HDEO's.... the clutch?
BigJohn Offline


Registered: 06/21/08
Posts: 884
Loc: Colorado
A couple of weeks ago I purchased a case (3 gallons) of Super Tech 15w40 to use throughout the year. I poured the oil into my wife's TTR230 and into a Honda XR650L as a part of their "spring tuning". I was stunned at how poorly the transmissions performed. Heavy notchy.... hard to find neutral.... both were clunky and horrible feeling. I still haven't found neutral except once in the 230.

I hate it so much, I will probably dump the brand new oil and go to something else. Rotella 15w40, as best my memory has served me, has performed pretty well. Wonder if having to meet JASO helps Rotella perform better with the clutch?????

I did a little searching on this site and actually found several posts like the one below regarding HDEO's and clutch performance.... for shared sump motorcycle engines.

In my BMW "R" bikes, I love HDEO's...... but they have a dry clutch.


Originally Posted By: Mackelroy
The only reason to even worry about MA rating, is the clutch grip. I can tell ya Rotella has stronger clutch grip than Mobil 1 MC products. Not by a Huge amount, but the difference does exist.

I have ran Rotella in a few differnt bikes, I dont like it im my vfr cause the clutch grip is too strong and makes the shifting notchy, especially the 15w40 rotella.
_________________________
'14 Ram 1500 EcoDiesel 4x4, Rotella T6 5w40
'15 Mercedes ML250, PenEuro 5w30
'05 BMW R1200GS, M1 15w50
'02 Yamaha WR426, RT4 15w40

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#4701581 - 03/21/18 08:21 AM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
Killer223 Offline


Registered: 05/07/15
Posts: 389
Loc: AZ
i run T6 5/40 in all my bikes.
_________________________
08 6.7 cummins G56
04 5.9 cummins
11 ranger 4.0
16 KTM 250 XC

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#4701802 - 03/21/18 11:26 AM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
bubbatime Offline


Registered: 03/18/08
Posts: 5723
Loc: South Florida
Valvoline 10W40 motorcycle oil, available at Wal-Mart for $4.xx a quart. Good stuff, excellent shifting, affordable and readily available.
_________________________
17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30



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#4701947 - 03/21/18 01:10 PM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
Black_Thunder Offline


Registered: 09/23/06
Posts: 1301
Loc: Wisconsin
run exclusively Rotella 15w40 in my 2 bikes and my dad and brothers bikes.

and they all shift fine
_________________________
I'd buy Callahan autoparts if I could.

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#4702544 - 03/21/18 09:39 PM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
blupupher Offline


Registered: 08/27/04
Posts: 4492
Loc: Katy, Republic of Texas
Used ST 15w-40 in my VT1100 and it fixed the hard to find neutral and notchy shifting from whatever oil was in there when I bought it.

Lots of posts of people here using it and not having any problems with it.
_________________________
1994 Honda VT1100C: Peak 15w-40/TG/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI


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#4702985 - 03/22/18 10:27 AM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
gman2304 Offline


Registered: 08/11/11
Posts: 3090
Loc: n.c.
I used Rotella 15w40 in my 2008 Suzuki DL 1000 with no ill effects. Transmission and clutch worked great.


Edited by gman2304 (03/22/18 10:29 AM)

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#4703797 - 03/22/18 11:22 PM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
kmrcstintn Offline


Registered: 05/11/06
Posts: 571
Loc: Palmyra, PA
I end up doing alot of frankenbrews...the hdeo's I use alot are supertech & Traveller; both are made by the same company; never had an issue in any of my common sump bikes
_________________________
'15 Jeep Patriot Sport (2.4L 4-cyl), '13 Genuine Buddy 125 (125cc air-cooled thumper), '14 Yamaha V Star 250 (250cc air cooled v-twin)

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#4705092 - 03/24/18 10:08 AM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: bubbatime]
alarmguy Online   content


Registered: 07/10/12
Posts: 2173
Loc: South Carolina
Originally Posted By: bubbatime
Valvoline 10W40 motorcycle oil, available at Wal-Mart for $4.xx a quart. Good stuff, excellent shifting, affordable and readily available.


^^Agree^^ also comes in 20/50. Never understood the love affair with Rotella, not that anything is wrong with it but Valvoline is actually made for motorcycles and for those concerned no one ever has to give a thought about their clutch and it cost the same as Rotella, just about.

Fast forward if you want a synthetic, there is also Valvoline Syn motorcycle oil, same deal, one of the most underrated oils on the market as far as I am concerned. I loved the way my metrics shifted with the $4. a quart 20/50 Valvoline Motorcycle oil, not sure why people think they have to spend $10 a quart on an oil.


Edited by alarmguy (03/24/18 10:09 AM)
_________________________
14 Road King (current)
08 VStar 1300 Tourer
07 Suzuki C50

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#4705393 - 03/24/18 03:06 PM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
Blaze Offline


Registered: 12/31/10
Posts: 1417
Loc: Washington State (East)
I have a KTM 450 (4-stroke) dirt bike and it seems most KTM guys run the Rotella 15w-40. I'm still using Motorex 10w-50 but I bought a slug of it. When it runs out probably switching to Rotella. Cheaper since I change it often so synthetic is a waste.

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#4706045 - 03/25/18 07:07 AM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
Smoky14 Offline


Registered: 04/23/03
Posts: 1345
Loc: Nowhere NM
I've tried the Valvoline 20-50, it was OK and it shifted so-so. The best shifting oil I've tried was Rotella T5 15-40. The semi-synthetic product. The down side is that the newest version is not rated for gasoline engines. I found some T5 at Tractor supply which still had the gas rating.
I've tried lots of oils and always willing to try more.

Smoky
_________________________
99 Acura 2.3CL 5speed MT
12 Ford Fusion 2.5S 6speed MT
05 Suzuki Bandit 1200.

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#4706230 - 03/25/18 10:31 AM Re: Super Tech 15w40 and other HDEO's.... the clutch? [Re: BigJohn]
Papa Bear Online   content


Registered: 08/11/05
Posts: 7073
Loc: Leamington, ON, Canada ..... r...
I believe the new T5 is not JASO MA/MB rated for wet clutch ... the T4 & T6 is.
I may be wrong, I often am.
_________________________
2016 Dodge GC Deep Cherry
2013 SYM Wolf Classic 150
2011 Suzuki S40 650 Fox Orange
2009 V-Star 250 Black Cherry
https://www.hogsforhospice.com/

Friend of Bill W. since '89


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