Air filter change - a big thanks to JDS and the guys on here - MVAgusta.net
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post #1 of 13 (permalink) Old 06-30-2010, 03:06 PM Thread Starter
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Air filter change - a big thanks to JDS and the guys on here

People,

I have pleasure in writing this thread as I have just come in from the garage after fitting a new air filter and was pleased at what a pleasure to work on my F4 was. I would consider this one of my 'signature threads'

My F4 tank is off at the moment so I took the time to change the air filter for an OE MV part as supplied by JDS

Anyway, removed the airbox easily and the existing well nuts looked pretty knackered which I had always planned to remove. I removed the existing foil tape and cleaned air box up.

I have attached piccies of the new air filter and you can just make out the existing air fliter (sorry a crappy piccy). After 5600 dry miles in the UK the existing air filter looked like it had seen better days.

I fitted new well nuts and then applied some loctite to the injector cover screws which I screwed into the new well nuts until they began to 'tighten up' (which seemed to happen pretty quickly), does a very light hand tight torque on these nuts seem reasonable???

Thanks for all your help guys, JDS and my friends Iain and Tracey at Forza Italia, all your help is appreciated as always.

Cheers





Paul
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post #2 of 13 (permalink) Old 06-30-2010, 03:16 PM
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Wow, your old filter looks wasted! With foam filters you have to worry about age as well as milage. After a certain amount of time, they start to fall apart.

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post #3 of 13 (permalink) Old 06-30-2010, 10:03 PM
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Question

hey Sub;
i have the original paper filter in my Aprilia '04 RSVR at 30k mi and its just a little dusty looking.....front intake too.....always a bunch of honey bees in there though....i think its the red stripes on both sides of the intake!

i live in the smog capital......guess it isn't the dust and dirt place

i'm surprised how dirty your filter was given how much rain you have to knock the dirt down...

i lived in Germany/Switzerland for 5 1/3 years and flogged bikes, never ever had dirty filters????

are you riding country lanes in farm country?

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post #4 of 13 (permalink) Old 06-30-2010, 10:13 PM
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Hmm, I just pop the foam element out of the frame, wash and re-oil. When I got my bike back from the first service it was absolutely dripping with filter oil. You'd be surprised how much better the bike ran with a properly oiled filter.
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post #5 of 13 (permalink) Old 06-30-2010, 10:32 PM
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I had to change mine at the last service. The tech at the dealer told me it is far gone, beyond any cleaning he can do. I had to agree with him when I saw it.

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post #6 of 13 (permalink) Old 07-01-2010, 02:07 AM Thread Starter
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No country lanes Knurl but it never goes out in the wet. What are your thoughts lads on my torqueing up of the well nust

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post #7 of 13 (permalink) Old 07-01-2010, 02:57 AM
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post #8 of 13 (permalink) Old 07-01-2010, 06:20 AM Thread Starter
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Sorry silent, pleae clarify 'dont'! I done them up hand tight and put thread lock on, does that seem reasonable

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post #9 of 13 (permalink) Old 07-01-2010, 07:48 AM
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Thread lock will make them very difficult to get off. When you try and loosen the well nuts they will just spin or worse, tear. Hand tighten until just snug they won't go anywhere.
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post #10 of 13 (permalink) Old 07-01-2010, 04:44 PM
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Thumbs up

Paul;

i wouldn't use LocTite on wellnuts for the reasons Rob gave.

i have replaced the 4 wellnuts in the air box with alloy rivet nuts, i didn't crimp them, i epoxied them in

i have already had a melodrama with the wellnut over #4 intake,
don't have to worry any more

4 rivet nuts and you're done

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