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Re: 2012 Honda CBR - Rotella T6 5w-40 [Re: berlyn] #5008407
02/11/19 09:25 PM
02/11/19 09:25 PM
Joined: Jun 2013
Posts: 113
Colorado, USA
Bonz Offline
Bonz  Offline

Joined: Jun 2013
Posts: 113
Colorado, USA
Try Mobil 1 10w40 4T Racing... You can see in the link 3 posts above it did pretty well considering it was the first full run (4603 miles) with new high compression pistons/rings after break-in (150 miles, T4). No track days, and the bike puts down 145-150 hp at the rear wheel (similar to the 2012 1000RR) and more torque everywhere by a good amount. I run the midrange rpm with the torque but run to high rpm going up through the middle gears on acceleration when appropriate (ZX11 ECU and ZX11 double valve springs installed for safe 11,500 rpm rev limit vs stock ECU and single valve springs w/10,500 rpm limit). Bike also has CVK40mm carbs from a ZX11/ZZR1200, ZZR1200 cams and full aftermarket 4-2-1 exhaust to help eek out the ponies.

Plenty of HOT summer temps at high elevation here in Colorado with 25% thinner air to flow through the radiator thus the fan will come on regularly in slow traffic going up mountain passes. Puts oil to the test.

I have to think your low flash point is fuel related, 365 deg is crappy low. Did you get the engine really up to temp before taking the sample? Do you let the bike warm up idling regularly or do you start it, give it a few moments and ride away prudently as things come up to temp?

V1, you hit it on the head. Cost savings is the biggest reason you ran this oil/would consider running it again.

Try the M1 10W40 4T, good stuff for what you are doing, IMO.

Re: 2012 Honda CBR - Rotella T6 5w-40 [Re: V1] #5010841
02/14/19 09:31 AM
02/14/19 09:31 AM
Joined: Dec 2004
Posts: 477
Chicago, IL
V1 Offline OP
V1  Offline OP

Joined: Dec 2004
Posts: 477
Chicago, IL
Riding for 5000 miles was a long interval - granted. However, since 3000+ mile runs (with plenty of hard driving) have proven to be acceptable using conventional GN4, I decided to give Rotella the old college try for a longer run. It seems to be a highly-regarded oil in the moto community. So this was nothing more than a science experiment..

The mileage in this run appears to be more of a factor than how many months it spent in the engine. I recall getting a TBN test in the past that showed plenty of additive remaining even after a full year. These results are not disappointing to me. I just expected slightly better - even considering the one track day I did.

Be all that as it may, this bike is ridden under varying conditions. Warm and cold temps, casual and hard driving, short and long trips. The engine is almost always brought up to full operating temperature. After start-up, I let the engine idle for no more than 2 minutes before slowly riding away. Once the engine temperature starts increasing, I gradually pick things up.


So nothing all that special going on here. I consider the way I operate the motorcycle to be normal, and as it was intended to be.


2004 Mazda6 3.0L - 190,000 mi
2012 Honda CBR1000RR - 24,000 mi
2016 Yamaha FJR - 1,000 mi
Re: 2012 Honda CBR - Rotella T6 5w-40 [Re: V1] #5015545
02/18/19 05:06 PM
02/18/19 05:06 PM
Joined: Jun 2013
Posts: 113
Colorado, USA
Bonz Offline
Bonz  Offline

Joined: Jun 2013
Posts: 113
Colorado, USA
What is the oil in the first column to the right of the universal averages? Looks like the first four in chronological order are the same oil based on the additive package. The oil on the right of the averages looks to be different with a lot less Boron and more Calcium.

In any case, even on a prorated basis you have three or four times the amount of copper with T6 compared to most every other oil change. As well the flashpoint is consistently and notably lower for the past 3 OCI’s regardless of mileage compared to the first 3 OCI’s. That isn’t the oil, that is excess fuel, IMO. I have no doubt you ride the bike as it is intended however there are changes that have occurred in what the numbers are saying.


Last edited by Bonz; 02/18/19 05:07 PM.
Re: 2012 Honda CBR - Rotella T6 5w-40 [Re: V1] #5016685
02/19/19 04:16 PM
02/19/19 04:16 PM
Joined: Dec 2004
Posts: 477
Chicago, IL
V1 Offline OP
V1  Offline OP

Joined: Dec 2004
Posts: 477
Chicago, IL
Thank you for the feedback. It might be a while before I can determine if there is a fuel contamination problem, but I will likely sample again after this season, and the next.

Every fill except this one has been with Honda GN-4,10w-30. Aside from that, absolutely nothing else has changed with this motorcycle. The bike is practically bone stock with the exception of the air intake, which has had the flapper valve assembly removed since brand new. For those unaware, it is the subsystem which uses vacuum pressure to open air blocker doors above 5000rpm or so.

It is due for new spark plugs, air filter, and valve inspection. None of those have been done since I purchased the motorcycle new in 2012. So maybe it's time. grin


2004 Mazda6 3.0L - 190,000 mi
2012 Honda CBR1000RR - 24,000 mi
2016 Yamaha FJR - 1,000 mi
Re: 2012 Honda CBR - Rotella T6 5w-40 [Re: V1] #5017087
02/19/19 09:59 PM
02/19/19 09:59 PM
Joined: Jun 2013
Posts: 113
Colorado, USA
Bonz Offline
Bonz  Offline

Joined: Jun 2013
Posts: 113
Colorado, USA
Do the service items you mentioned, should reward you with a nice seat of the pants feeling that the bike is running well.

Valve adjustment was due a while ago and if they are iridium plugs they are probably ok, but for the cost change them. Have you at least checked the air filter??? Potentially it is really dirty and the fuel injection can’t cut back on fuel far enough for the lack of O2 (if it uses an O2 sensor or has a loop that can do that) and you are running pig rich.

Last edited by Bonz; 02/19/19 10:05 PM.
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