Honda CB500X

Main CB500X Boards => Maintenance and Servicing => Topic started by: julman99 on August 01, 2017, 11:42:46 PM

Title: Used oil analysis after 9,500 miles
Post by: julman99 on August 01, 2017, 11:42:46 PM
After my roadtrip documented in this thread: https://www.cb500x.com/index.php?topic=5847, I decided to do an used oil analysis. My trip was 9500 miles and I didn't change the oil during the trip assuming the interstate mileage wouldn't be a problem.

For reference:
- I started the trip with brand new oil. It had only one mile that I did to test for leaks a couple days before the trip.
- I used Amsoil Motorcycle oil 10w30, and have used it since the bike had ~3k on the clock (if I recall correctly).
- I change the oil at 8k mile intervals or before a trip, but never have changed it before 5k except when I switched to Amsoil
- Bike has currently 25k miles
- I rode the bike during the trip as if it was stolen. I spent hours (AND HOURS) on the freeway at 7000rpm or more, sometimes almost a full throttle (again, for hours) when I had really serious headwind. In the twisties, I hit the redline and rode at the limit of the engine  countless times.
- My scientific conclusion is this analysis shows this engine is badass

Summary from the analysis:
No problems to report for this sample from your Honda. You noted that you ran a little longer than the recommended oil change interval, but most of that mileage was on the interstate, and that sort of operation tends to be pretty easy on the engine from a wear standpoint. You can see here that your wear readings are pretty well in line compared to averages, which are based on a much shorter oil change interval of just ~4,500 miles. The TBN of 7.4 is good, and the slightly low viscosity isn't a concern, so this is an excellent report overall!

Full analysis is attached

Enjoy!
Title: Re: Used oil analysis after 9,500 miles
Post by: CB-500-X on August 02, 2017, 12:26:01 AM
Thank you for posting that. So I guess that me doing 4000 mile HP4S Honda full synthetic oil changes should be good ( read overkill ) However that's like one oil change a year so cost is not an issue. Honda does make amazing engines.
Title: Re: Used oil analysis after 9,500 miles
Post by: jsonder on August 02, 2017, 12:29:41 AM
And, another thank you for your oil analysis.  We old folks are curmudgeons.   :002:
Title: Re: Used oil analysis after 9,500 miles
Post by: Poppy on August 02, 2017, 01:39:23 AM
Well, that is impressive. Thanks for posting :046:
Title: Re: Used oil analysis after 9,500 miles
Post by: Celeste1178 on August 02, 2017, 03:03:34 AM
Awesome, thanks for posting!
Title: Re: Used oil analysis after 9,500 miles
Post by: Sargent_Horse on August 02, 2017, 04:10:13 AM
Bulletproof as always.  :460:
Title: Re: Used oil analysis after 9,500 miles
Post by: Uncle Tee on August 02, 2017, 04:45:28 AM
Real world hammered oil analysis, best thing I've read all day!  :028:
     Thank you, T
Title: Re: Used oil analysis after 9,500 miles
Post by: Gills on August 02, 2017, 08:38:02 AM
Very impressive results! We don't tend to see Amsoil in the UK, but it's obviously good stuff and your engine is in great shape. Thanks for posting!
Title: Re: Used oil analysis after 9,500 miles
Post by: mdb on August 08, 2017, 03:29:49 AM
This goes to show that 10w30 is a perfect oil for this engine and that it is laughable when people say they change their oil every couple thousand km(or less).  Next to no iron on a shared sump bike is fantastic.  Having seen a few UOA's on BITOG it seems as though any decent oil produces very low wear numbers in Honda bikes.  I don't know what the virgin TBN is on this oil but I bet with a TBN of 7.4 after 9.3k miles it could go 16k miles between changes.  Thanks for doing a UOA so I wouldn't have too!
Title: Re: Used oil analysis after 9,500 miles
Post by: uku383 on August 08, 2017, 03:41:00 AM
I'm really glad that you posted this. I'm almost 2,000km over my scheduled oil change and have been a bit nervous, but not now. And before anyone asks, I will be changing my oil and filter when I get home from work tonight!  :002:
Title: Re: Used oil analysis after 9,500 miles
Post by: Ron V on December 01, 2018, 05:15:36 PM
Hello all, I thought I'd post this in reply to this topic instead of starting a new one, so that it's easy to compare side by side.  Attached is a copy of an analysis that I had done on my 2013 CB500X.  This was 10W-30 Honda HP4S with OEM Honda oil and air filters, after 6945 miles.  The first 2500 miles or so was back and forth commuting in Chicagoland traffic, combined with some local rides out in the country and an overnight trip to northern Wisconsin and back.  Then I took a 4000 mile trip to Idaho and back, which involved mountain and canyon roads, maybe 25 miles on gravel, and of course the open road between Chicago and the west which was nearly all at 6000-7000 rpm.  Then a few hundred more miles in the local area before winter. 


Title: Re: Used oil analysis after 9,500 miles
Post by: jsonder on December 01, 2018, 05:43:44 PM
It is interesting that the Honda oil properties do not hold up nearly as well as the Amsoil 10W/30.
Title: Re: Used oil analysis after 9,500 miles
Post by: Jonathan on December 02, 2018, 12:29:21 AM
*Originally Posted by jsonder [+]
It is interesting that the Honda oil properties do not hold up nearly as well as the Amsoil 10W/30.

Not sure if you can draw any meaningful conclusions from such a small sample. I think Oil blenders recognize that only a tiny percentage of private individuals will ever do an analysis on their products, so provided it meets the criteria for sales and legislation, most big brand oils will be much of a muchness. Honda will specify a particular blend, but they'll probably chop and change actual suppliers depending on the price. There are a few small, specialist companies making better quality stuff and maybe Amsoil is one such company. Rock Oil in the UK is another example.
Title: Re: Used oil analysis after 9,500 miles
Post by: Ron V on December 02, 2018, 01:18:53 AM
Egad, I don't want to start an Amsoil debate as I've seen my share of those in the hot boat community and they can get uglier than politics or divorce   :005:

This the first oil analysis I've had done on any vehicle so I'm by no means an expert on them.  The lab obviously had no concerns about either of our samples, but what jumps out at me is that the Amsoil had 1.36 times the mileage on it, with 1.18 times the iron and 2.6 times the aluminum.  So wear on the iron parts is proportionately lower but aluminum is higher, though still acceptable.  The Amsoil apparently has considerably more moly in it.  Keep in mind also that his miles were almost entirely touring/highway.  The commuting portion of mine involves 40 stoplights in each direction, so lots of shifting.  I also turn it 8500 at least once almost every time I get on the bike. 

The slight drop in viscosity on my sample, with apparently no ill effects, brought to mind something that a local stock car racer told us 20 years ago.  They ran 5W-20 for the races and qualified with straight 10 weight.  When they tore the engines down there was nothing wrong with them.  The lower viscosity was offset by the better flowability, and less drag allowed them to win.  That's why they didn't run 20W-50 like a lot of people would assume. 
Title: Re: Used oil analysis after 9,500 miles
Post by: ThirtyOne on December 02, 2018, 02:31:08 AM
*Originally Posted by Ron V [+]
Hello all, I thought I'd post this in reply to this topic instead of starting a new one, so that it's easy to compare side by side.  Attached is a copy of an analysis that I had done on my 2013 CB500X.  This was 10W-30 Honda HP4S with OEM Honda oil and air filters, after 6945 miles.  The first 2500 miles or so was back and forth commuting in Chicagoland traffic, combined with some local rides out in the country and an overnight trip to northern Wisconsin and back.  Then I took a 4000 mile trip to Idaho and back, which involved mountain and canyon roads, maybe 25 miles on gravel, and of course the open road between Chicago and the west which was nearly all at 6000-7000 rpm.  Then a few hundred more miles in the local area before winter.

The more data we have on these bikes the better. Thanks for sharing.
Title: Re: Used oil analysis after 9,500 miles
Post by: jsonder on December 02, 2018, 07:47:27 PM
*Originally Posted by Ron V [+]
Egad, I don't want to start an Amsoil debate as I've seen my share of those in the hot boat community and they can get uglier than politics or divorce   :005:

Nope, no desire for debate. 

I'm old and ride locally for transportation and pleasure, so I use Rotella T5, 10W/30, and change oil and filter every 3K miles because of the many short trips on the CB500X.

Title: Re: Used oil analysis after 9,500 miles
Post by: Jonathan on December 03, 2018, 06:12:55 PM
*Originally Posted by Ron V [+]
Egad, I don't want to start an Amsoil debate as I've seen my share of those in the hot boat community and they can get uglier than politics or divorce   :005:

same in the aircooled VW virtual world...I think it's a man thing :084: