Brutale 750 S fuel pump replacement - MVAgusta.net
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post #1 of 4 (permalink) Old 05-12-2019, 04:00 AM Thread Starter
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Brutale 750 S fuel pump replacement

Hi guys,

it's been a while since my last issues with my Brutale. 😊 Now I need your help once more. I have a 2005 Brutale that has beeno working pretty good without any major problems. But now after 14 years the fuel pump seems to be on her last rides. After a good start in the season I wanted to go on a sunday ride and the pump didn't prime. I tried several times turning the ignition key on and off (I checked every switch, that could be on the way, everthing was as it should be for a normal engine start), saddly without any luck. Then I checked all the fuses, all were fine. I took off the tank and measured the power on the connectors and it was as it should be ca. 12V on both pins. The I knocked a couple of times on the bottom off the fuel pump assembly, but saddly without any luck. I dissasembled the pump from the tank, knocked on pump plastic housing, attached the power supply and it started priming. I put all back together, made a short test run and everything was fine. I wanted to take a nother turn yesterday. She started normally, but after a couple of on and off of the engine, suddenly it wasn't priming again. 😔😔 I managed after a couple of key turns on and off then she started working again. But I don't trust the pump any more, so I want to change it. I found the oem pump to pricey (400€+), so I googled and found a couple of matching hits, but would like your opinion over it. Does any one have any suggestion which pump to take? I found one matching on Aliexpress but the delivery times are long, as I live in Europe it would be great to find a dealer here. I have also red that a ducati fuel pump is compatible, do you maybe know which Ducati bikes fuel pumps are compatible with the brutale?

Aliexpress:
https://m.aliexpress.com/item/328324...0-910-990-1078

Or suggested one from the forum:
https://www.fuelpumpfactory.com/prod...750s-2003-2005

Thanks for all the support in advance!

Cheers,

Ziga
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post #2 of 4 (permalink) Old 05-12-2019, 05:23 AM
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Ziga_SLO;
I think your problem is where the harness goes from the external plug through the fuel pump plate.......
It's happened before more than once......

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post #3 of 4 (permalink) Old 05-12-2019, 06:14 AM Thread Starter
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Hi the knurl, thanks for your fast reply, with the harness you mean the connectors feom the engine block to the fuel pump plate? I have forgot to mention, that I replaced them with the metal one, because one got broke couple of years ago. Or did I understand it wrong? 🤔
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post #4 of 4 (permalink) Old 05-12-2019, 08:57 AM
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Quote:
Originally Posted by Ziga_SLO View Post
Hi the knurl, thanks for your fast reply, with the harness you mean the connectors feom the engine block to the fuel pump plate? I have forgot to mention, that I replaced them with the metal one, because one got broke couple of years ago. Or did I understand it wrong? 🤔
He means the electrical lead into the pump base. Connector to the harness and possible broken wire in the harness where it goes into the pump base.

There is also a strainer at the pump pick-up that could be blocked...and the pump itself may have debris or dry fuel residue inside.

Take the pump out, submerge in cleaner and power it up with a battery to flush it out. If it reliably runs strong out of the tank and manually connected to power then the pump is fine...other factors at play.
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