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Alternative to Motul 300V 10-40 in road race bike? #3561594 12/10/14 03:53 PM
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Eskimo Offline OP
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I recently picked up a Yamaha R6 which has a "supersport" build engine in it. Basically it's a blueprinted & balanced factory build with a lot of head work. Engine redlines at 15,500-16,000rpm. The builder recommends Motul 300V 10w-40 and a K&N KN-204 filter. However, as much as they know about engines, I'm sure there are some here that know more about oil. Motul is always a safe bet, but it's certainly pricy!

Before anyone jumps on me, yes, road racing is expensive. $60 oil changes every weekend are inexpensive compared to the $400 of tires, $100 of fuel, and $300 of entry fees I'll be dropping.

BUT, with such a short OCI, if there was a less expensive oil that still protects the engine as well for the ~100-200 miles it's going to be in it, then I'm all for it. It's the same reason I'll be running pump gas in some classes vs. the oxygenated MR-12 - Why spend the money if it's not needed?

From the searches I did today, seems like some might recommend Valvoline conventional 10-40 or Rotella T5 15-40, but I'm open for suggestions.. It probably doesn't need to be said, but after being warmed up gently, I will be beating on the engine and clutch like it owes me money.

Last edited by Eskimo; 12/10/14 03:56 PM.

cars and bikes oh my!
Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3561606 12/10/14 04:11 PM
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Give Redline oil a try. Ester base oil that is extremely shear resistant with very robust additive packages. Do a couple of UOA's after races to find out if you can extend the OCI beyond just one race weekend. Just my $.02...

Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3561679 12/10/14 05:50 PM
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OneEyeJack Offline
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Call Dave at Red Line.

Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3561707 12/10/14 06:38 PM
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He's after price point with frequent changes, and I don't think Redline is going to improve that much.

Personally between 15w40 diesil verses Valvoline 10w40 mc oil.

I give the nod to the Valvoline, simply on performance and function, although 15w40 diesil is usable. Rotella has a huge amount of clutch grip you may not like.

Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3561738 12/10/14 07:21 PM
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I have run T6 in my race bikes for the last 7 years and have never seen any wear I would call oil related when they have been rebuilt in the off season.

Some of my competition who have serious money in their engines have also been using T6.

I was changing oil every race weekend but after it kept coming out like it went in I have moved to dumping it every 1.5 race weekends.


Last edited by williestreet; 12/10/14 07:24 PM.
Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3561740 12/10/14 07:24 PM
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redline oil is cheaper than that engine for sure. my friend has club raced + now does track days on his 1099 duck, he always ran mobil one but as it was changed to a cheaper formulation he wasn't satisfied, enter redline 10-40, he really raves about this stuff! he races but was a dealer + tech, swear he could assemble an engine blindfolded-almost!!

Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3562057 12/11/14 12:54 AM
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BusyLittleShop Online Content
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A great alternative would be to run a 30 weight 100% synthetic of your choice and pick up 2 to 3 more HP...


Larry L
Have a Wheelie NICE day
94 RC45 #2 58,000 on 30 weights Currently Mobil 1 5W30
2002 Camaro Mobil 1 0W30
1952 De Havilland Chipmunk



Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3562074 12/11/14 02:02 AM
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Well, it's your bike, and you can use whatever you like. I've tried pretty much every oil available over the years. Based on how the bikes have run, I like the Motul 300V 4T best, followed closely by Redline M/C oil.

My 'streetbike' is a built all-motor Hayabusa. Billet forged stroker crank. MTC +3mm pistons. Crower Ti rods. Ferrea Ti valves, retainers, and performance springs. Web cams. Cylinder head work, Akrapovic Evolution full Ti exhaust, etc, etc.

Lots of people claim such an engine can't survive on the street. But it's been running great on the street and the occasional roadracing tracks for 7 years now, on Motul 300V 4T, and on a few occasions, Redline M/C oil.

I've tried the Rotella variants in this bike, but the shifting always quickly becomes notchy.

Re: Alternative to Motul 300V 10-40 in road race bike? [Re: BusyLittleShop] #3565001 12/14/14 10:58 AM
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Eskimo Offline OP
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Originally Posted By: BusyLittleShop
A great alternative would be to run a 30 weight 100% synthetic of your choice and pick up 2 to 3 more HP...


Such as? Going thinner doesn't concern you for wear/protection?


cars and bikes oh my!
Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3565016 12/14/14 11:13 AM
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Clevy Offline
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Rotella t 15w-40 conventional. If your changing the oil every race I'm sure this'll hold up.
I use it in my Harley bits a 106,cams,headwork,propipe,etc. oil gets real hot. No problems whatsoever.


2006 Charger RT
Miles x 2 per oil filter
Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3565026 12/14/14 11:26 AM
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Eskimo Offline OP
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Clevy - I don't want to lose horsepower to a conventional oil though.

The 600 class is VERY tight, and if I'm willing to pay $22 a gallon for gas that gives me 5hp, (and burn 10 gallons a weekend) I can't afford to lose 2hp because I wanted to save $40 on oil, if that makes sense..

Last edited by Eskimo; 12/14/14 11:29 AM.

cars and bikes oh my!
Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3565061 12/14/14 12:03 PM
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Why don't you try Rotella T6 one time and see how it goes ? Get it tested and see what's going on.

Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3565072 12/14/14 12:13 PM
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Originally Posted By: Eskimo
Clevy - I don't want to lose horsepower to a conventional oil though.

The 600 class is VERY tight, and if I'm willing to pay $22 a gallon for gas that gives me 5hp, (and burn 10 gallons a weekend) I can't afford to lose 2hp because I wanted to save $40 on oil, if that makes sense..



That makes no sense. You are already using an Xw-40. The second number 40 means all oils with the second number 40 are roughly the same thickness at operating temp.
So how you get at thinking its thicker is beyond me.


2006 Charger RT
Miles x 2 per oil filter
Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3565441 12/14/14 07:44 PM
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BusyLittleShop Online Content
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Originally Posted By: Eskimo


Such as? Going thinner doesn't concern you for wear/protection?


Such as 0w30 Mobil 1 and no I'm not concern for wear...

If there is one thing an owner has control over its the viscosity of their oil...
viscosity of oil is rated in ctS which describes a fluid's resistance to flow... it ain't
a thinner or thicker measurement of the molecular size of oil... if you think of oil as
freer flowing or not then you can judge the benefits of a 30wt over the 40wt which are:

1More HP to enjoy because there is less oil drag...
2Lower operating temps because the oil flows more...
3Less wear at start up because the oil pumps quicker...
4)The higher flow works harder to separate the engine parts that are
under very high stress because the relationship between pressure and
flow is in opposition. If you change your oil to a thicker formula the
pressure will go up. It goes up because the resistance to flow is
greater and in fact the flow must go down in order for the pressure to
go up. They are inversely related. Conversely if you choose a thinner
oil then the pressure will go down. This can only occur if the flow
has increased.


Less flowing oil DOES NOT automatically provide better wear protection
than freer flowing oils. Extensive dynamic wear testing under load of
dozens and dozens of motor oils, has shown that the base oil and its
additive package as a whole, is what determines an oils wear
protection capability, NOT its viscosity. For example, some 5W20 oils
have proven to provide OUTSTANDING wear protection, while some 15W50
oils have only been able to provide MODEST wear protection. So, do not
run so called "thicker oil" under the false assumption that it can provide
better wear protection for our engines.


RC45 Oil System


Mobil 1 0W-30

Last edited by BusyLittleShop; 12/14/14 07:50 PM.

Larry L
Have a Wheelie NICE day
94 RC45 #2 58,000 on 30 weights Currently Mobil 1 5W30
2002 Camaro Mobil 1 0W30
1952 De Havilland Chipmunk



Re: Alternative to Motul 300V 10-40 in road race bike? [Re: Eskimo] #3566064 12/15/14 11:04 AM
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sunruh Offline
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eskimo,
if you are so concerned with hp from oil loss, explain why you are not using Maxima Extra4 0w10 ?


motorcycle oil myth buster
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