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Old October 7th, 2015   #11
motornut
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Default Re: trans

how ever it hurts I have forced myself to give synthetic a shot,although I will probably do the "overkill" method again by changing it 3000 miles instead of 2000. we will see if there is a noticeable change, if so I'll do the same on my other rides, that way I am always using the same stuff
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Old October 8th, 2015   #12
PaulRB
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Default Re: trans

Manufacturing tolerances are light-years ahead of where they were in the 80's and before. Better material, better casting, lowered friction, water cooling, and better reformulated oil all deliver a greatly improved package.
If you have any doubts as to the performance of your oil test kits are readily available, easy to use, and deliver figures as to exactly what your oil is doing or not doing.

Honda is fully aware that oil requirements are different for motorcycles.
We run both our clutch and gear box in the same oil we lubricate high speed aluminum parts and still Honda has seen fit to recommend a service interval for the oil and filter of 8,000 miles.
Honda feels their manufacturing quality is at a level that they are willing to warranty this engine for up to 7 years with unlimited mileage.
We have seen nothing in real world usage to bring that into question.

I believe those that have adopted a full synthetic oil also adopted a 5,000 mile change interval.
I believe you will hear a common theme from them.
The engine shifts better with synthetic oil.
At or slightly above 5,000 miles this starts to go away, it does not shift badly it's just not as smooth.
Take it out to 40,000 miles and a full synthetic costs you approximately $250 more to run.
That more than doubles to $550 with a 2,000 mile change interval.
You now enter the wasted oil and money zone.

It's a rare occasion I question anyone's oil change scheduled.
I firmly believe quality oil is without a doubt the cheapest service item at our disposal.
I was a early adopter of synthetic oil and have remained a big fan and I offer no apologies for that.
I do not understand the blend theory, your oil is only as good as it's weakest link and that is what they blend synthetic with, a weak link.
This would be one of those rare occasions that I would see fit to question a change interval.
2,000 miles is excessive and as such a waste of oil and money.


Paul
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Old October 8th, 2015   #13
PaulRB
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Default Re: trans

Sorry, reading comprehension is poor this morning.
Cost figures are based on a 2,000 mile change interval not 3,000.

The general idea is still the same.
3,000 mile change interval on a full synthetic is a costly waste.


Paul
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Old October 8th, 2015   #14
rshimes
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Default Re: trans

I use Shell Rotella 15-40 synthetic and go 5-6K between oil changes with no issues. It's around $22.00 for a gallon.
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Old October 8th, 2015   #15
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Default Re: trans

Diesel oil that is not recommended for gasoline engines.
Not recommended by Shell.

Paul
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Old October 8th, 2015   #16
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Default Re: trans

Quote:
Originally Posted by PaulRB View Post
Diesel oil that is not recommended for gasoline engines.
Not recommended by Shell.

Paul
I'm not the only one the uses Rotella. I found out about it on this forum. Safe on clutches too. my 04 ST1300 had 73K on it when I sold it and my 07 has 42K without any issues.
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Old October 8th, 2015   #17
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Default Re: trans

The Shell Rotella T has changed the formulation, over the years and is not the same oil that we used to use, in the ST1300.
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Old October 8th, 2015   #18
PaulRB
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Default Re: trans

Quote:
Originally Posted by rshimes View Post
I'm not the only one the uses Rotella. I found out about it on this forum. Safe on clutches too. my 04 ST1300 had 73K on it when I sold it and my 07 has 42K without any issues.

I am not the one that does not recommend it's use.
It is the manufacture that does not recommend it's use in gasoline engines.

Safe on clutches is all about the chemical makeup of the oil.
Oil bath clutches do not like Moly or Friction Modifiers.
There are a container load of oils that contain neither or contain amounts so low Honda approves so to speak.

Motorcycles transmissions like Zink. Gear to gear contact.
Zink is being/has been removed from auto oils.
Zink, it the proper amounts is in Motorcycle Specific oils.

As we see more and more catalytic converters on motorcycles we will see more and more formula revisions but one thing will remain the same.
We run the same oil over our clutch and through the gears of our transmissions that we use to lubricate parts spinning roughly at or about twice the speed of a car engine.
Motorcycle specific oils will be more and more needed and called for.


Paul
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Old October 8th, 2015   #19
Wjbertrand
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Zink?? Says the chemist...


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Old October 8th, 2015   #20
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Default Re: trans

Zinc
I blame the speller not the spell checker.

Paul
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