Oils ARE Oils

[Para045]

Maybe. But for example, the 600rr shares the exact same honda part number as a honda civic (or prelude, if my memory serves, it's been a while).

Yeah but I bet the Civic one costs 1/2 the price I remember there was a list I found on one of the BB forums that had a comparison/alternative list for oil filters for all Honda MC's where you could get the car filter for much less even with the same part #

Pardon me for asking but what made you think "I wonder if I can use diesel oil in my bike..?"

Lots of forums I've been on talk about using diesel spec oil in MC's as it's so much cheaper than MC branded oils and does exactly the same job with the same specs
I've used Penrite LPG spec oil for years in my Bird and she runs much smoother than on MC specific oils and it's much cheaper

The 20w-60 in Joe's pic does seem quite thick though! I've tended to just use 20w-50

[thro]

4 stroke = they’re all fucking diesels anyway

[Water pig]

Repco has the hpr 5 on sale from tomorrow 10L $75

[Chuck Steak]

Yeah but I bet the Civic one costs 1/2 the price I remember there was a list I found on one of the BB forums that had a comparison/alternative list for oil filters for all Honda MC's where you could get the car filter for much less even with the same part #




Lots of forums I've been on talk about using diesel spec oil in MC's as it's so much cheaper than MC branded oils and does exactly the same job with the same specs
I've used Penrite LPG spec oil for years in my Bird and she runs much smoother than on MC specific oils and it's much cheaper

The 20w-60 in Joe's pic does seem quite thick though! I've tended to just use 20w-50

Probably an obvious fucking question but you’ve checked that it’s not friction modified right?

[TurboR1]

4 stroke = they’re all fucking diesels anyway

Ease up... your RGV isn't on the road yet.

[Para045]

Probably an obvious fucking question but you’ve checked that it’s not friction modified right?

Yes it is an obvious question That's the 1st thing I check for any oil that's going into a wet clutch as it'll cause clutch slip
There's a couple of guys on one of the US forums I get on that work in related industries ie oil/fuel and heavy haulage etc that have actually done laboratory comparison tests between various MC oils and diesel/LPG oils and found they are usually as good if not exceed the specs of MC branded oils and found many are virtually the same as a MC branded oil but at a much reduced price
Same story with the filters, comparisons have been done on US sites that show that many of the companies will sell an identical spec filter (even the same part #) for a car much cheaper than for a MC
HERE is one link

[thro]

Ease up... your RGV isn't on the road yet.

Hah. will be soon. 7 grand later....

[wheel_of_steell]

Hey everyone. I just got this interesting reply from gulf western - it appears that a few of their oils are non-friction modified and suitable for wet clutches.

Hi wheel_of_steell,

We are updating labels at the moment for many of our products and will include motorcycle icons on these passenger vehicle engine oils that are suitable for use with motorcycles with wet clutch. At the same time, we are going to add the JASO qualification onto the labels. We are partly through this process. You will see JASO MA on our Syn-X 3000 10W-40 and JASO MA-2 on our Syn-X 5000 5W-40 (although the icons are not yet on any of these labels). In time, yes, Premium Gold 15W-40 and Hi Tech Premium 20W-50 will also have these icons and JASO labelling.

None of the oils mentioned above include friction modifiers which could impact wet clutch operation. As we have not specifically targeted the motorcycle segment, this is the reason why we make a comment on our website although the label may not (yet) include this information. As mentioned above, this is in the process of being updated.

You could also consider our Top Dog range of diesel engine oils which would also be suitable in motorcycle with wet clutch operation.


Regards,
Gulf western man

The price is good for their premium gold 15w-40: $20 for 5L when it's on special.
Their syn X range is approximately the same price as penrite hpr 5
There isn't much mention of how much ZDDP extreme pressure additives are in there - not to say it isn't ZDDP there, most oils have it, but penrite makes a big deal about how much zinc is in there and publishes numbers too. So without hard numbers to go off, I feel a bit more confident that penrite will prevent gear tooth wear.

But it's nice to know that there's multiple options for bike oil out there.