23 V4R Loosing Oil…… Some Oil Found in Airbox

KA77 · Sunday at 1:05 PM

Bit of an update….

Took the bike to MotoRapido last Friday and I have to say, what a breath of fresh air they are! Nick the workshop manager was incredibly professional and helpful, as were all the staff I bumped into while there.

They had a really good look at the bike and after speaking to Ducati UK, it was agreed that the rocker covers and inlet flange seals would be replaced under warranty, no problem.

They’ve also weighed in new oil and sealed the engine so I can go to Jerez for 3 days. When I get back they will drain it out and weigh it again to establish if further work is needed.

While there Wilf the owner (for those that don’t know is also the crew chief for a BSB team running V4R & V2) He mentioned that they run their bikes on the minimum oil mark, never any higher, and that’s what he would advise we do in my case, to see how it goes. He stayed chatting to me for ages, he’s very technically minded and his knowledge of bike set up, geometry, gearing telemetry and data etc. was incredible, I could have stayed for hours!!

I’m much happier now after going to see these guys and feel reassured that they are taking the issue seriously. Let’s see what happens.

BullandBear1 · Sunday at 4:21 PM

KA77 said:
Bit of an update….

Took the bike to MotoRapido last Friday and I have to say, what a breath of fresh air they are! Nick the workshop manager was incredibly professional and helpful, as were all the staff I bumped into while there.

They had a really good look at the bike and after speaking to Ducati UK, it was agreed that the rocker covers and inlet flange seals would be replaced under warranty, no problem.

They’ve also weighed in new oil and sealed the engine so I can go to Jerez for 3 days. When I get back they will drain it out and weigh it again to establish if further work is needed.

While there Wilf the owner (for those that don’t know is also the crew chief for a BSB team running V4R & V2) He mentioned that they run their bikes on the minimum oil mark, never any higher, and that’s what he would advise we do in my case, to see how it goes. He stayed chatting to me for ages, he’s very technically minded and his knowledge of bike set up, geometry, gearing telemetry and data etc. was incredible, I could have stayed for hours!!

I’m much happier now after going to see these guys and feel reassured that they are taking the issue seriously. Let’s see what happens.

I’ve heard this from my dealer about running it at minimum oil level for track use as well. Did they give you an explanation as to why? When I asked why, they didn’t really have a reason a solid reason (at least I can’t recall).

panibadboy · Sunday at 10:48 PM

KA77 said:
He mentioned that they run their bikes on the minimum oil mark, never any higher

that's how Barni runs it too. The precise level tbf would depend on oil quality but most of the time its near the lower level

KA77 · Monday at 1:19 AM

BullandBear1 said:
I’ve heard this from my dealer about running it at minimum oil level for track use as well. Did they give you an explanation as to why? When I asked why, they didn’t really have a reason a solid reason (at least I can’t recall).

He didn’t go into great detail on that subject (I was too keen to talk about handling set up TBF). He did say that it gives the engine better ability to breathe (assume related to crankcase pressures?) He also mentioned that the oil pick up is located right at the bottom of the sump and therefore running a low oil level is not an unnecessary risk.

baggerman · 2025-01-21T19:01:10-0800

KA77 said:
He didn’t go into great detail on that subject (I was too keen to talk about handling set up TBF). He did say that it gives the engine better ability to breathe (assume related to crankcase pressures?) He also mentioned that the oil pick up is located right at the bottom of the sump and therefore running a low oil level is not an unnecessary risk.

Interesting. These crankcases are sealed each as a twin with the only exit for the oil into the sump is thru the main scavenge section (one per cylinder pair) or in the case of the heads thru their own individual scavenge sections. Everything related to pumping losses is in a sealed twin pumping back and forth. The cranks have windage scrappers for the tapered counterweights. The amount of oil remaining in the crankcase bottom (and the internal pressure) of each of the running twin pairs is totally dependent on oil pump performance. You're lowering the oil level to put more air volume in lower sump and gearbox.

SirJAG · 2025-01-22T05:47:11-0800

baggerman said:
Interesting. .... You're lowering the oil level to put more air volume in lower sump and gearbox.

Finish this train of thought partner...what is the effect of more air volume? I also run my V4 at the 1/2 way point or just below that, as I too am sensitive about oil in airbox!

Jag

23 V4R Loosing Oil…… Some Oil Found in Airbox

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