2007 Honda CBR125R, Mobil 1 MX4T 10W40, 757 miles

[craigq]

Another UOA... Na and K appeared after many UOA's with 0's, hopefully it's either noise or something left over from the previous fills (Amsoil AFF, Rotella 15W40).


Code:


Sample Date 19-JUL-2008

Analysis Date 25-NOV-2009

Lab Wearcheck Canada

Make Honda

Model CBR125R

Year 2007

Engine 125cc SOHC 1cyl

KM 7769 4828 miles





Oil Brand Mobil

Oil Series MX4T

Oil SAE J300 10W40

API SX SG/SH/SJ/JASO MA

KM on Oil 1218 757 miles

Months 1.2





Antimony Sb NR

Cadmium Cd NR

Vanadium V 0.2

Aluminum Al 10

Chromium Cr 0.5

Iron Fe 6.9

Copper Cu 3.8

Lead Pb 1.4

Tin Sn 1.0

Molybdenum Mo 63

Nickel 0.0

Manganese Mn 0.2

Silver Ag 0.1

Titanium Ti 0.1

Potassium K 2.3

Boron B 180

Silicon Si 6.1

Sodium Na 1.0

Calcium Ca 2230

Magnesium Mg 13

Phosporus P 1359

Zinc Zn 1633

Barium Ba 0.2

Sulfur 3016



cST @ 40 C 69.7

cST @ 100 C 11.8

SUS @ 210 F NR

VISC Index 165





Flashpoint (F) NR

Fuel %
Antifreeze % NR

Water %
Insolubles % NR

Sulfation 52

Oxidation 61

Nitration 25

TBN (IR) NR

TAN NR

Ferrous Debris NR

Soot % NR

Glycol
ISO Code NR

Additives NONE



WHITE METAL VLITE



Notes All component wear rates are normal.

Location ON, CAN





Air Filter HONDA OEM

Oil Filter Oil Screen

 

[craigq]

Analysis Date 25-NOV-2009

That should read today's date, 25-JULY-2008. All of the other information is correct.

Here's a question: Do engines that use roller/ball bearings or engines that use plain bearings throw higher wear metal numbers ?

 

[whitesands]

What kind of rpms does your engine run at on average ? Doesn't look too bad for a small engine that likely runs at high rpms.

 

[craigq]

The RPM's are anywhere from 6K to 10K, with a lot of cruising at around 7K to 8.5K; that and no oil filter likely lead to the UOA results... I wonder how long the engine is going to last...

 

[whitesands]

Considering how hard that engine works it doesn't look to bad...

 

[addyguy]

With an engine that beats that hard on oil, I'd be inclined to run some kind of straight-weight...maybe even a 40-weight HDEO...W-M sells SJ-rated, straight 30 and 40 weight HDEO for $7.58/4-liter jug. With 500 - 1,000 km oil changes, this would be the economical route to go....

 

[paul246]

Originally Posted By: addyguy
With an engine that beats that hard on oil, I'd be inclined to run some kind of straight-weight...maybe even a 40-weight HDEO...W-M sells SJ-rated, straight 30 and 40 weight HDEO for $7.58/4-liter jug. With 500 - 1,000 km oil changes, this would be the economical route to go....


The oil is still in the 30 weight range (11.8cst), so I can't see the advantage of going to a single grade 30wt. With the 10w30 he at least has the better flow on cold starts.

 

[addyguy]

I wouldn't think 'cold starts' are an issue on a bike...if its that cold that you have to worry about 'cold starting', its probably too cold to ride!

 

[paul246]

I ride in teeth chattering cold, ie, teeth chattering even before getting on the bike..lol.

My bike (Honda XR650L) will suffer from reduced oil flow to the head on cold start up if the correct viscosity isn't used. The oil line running from the case to the head (cam and lifters) is quite narrow. The engine is a single air cooled cylinder with a dry sump.

In the OP's bike, better flow at start up, whether cold or not, is still the best situation in any case.