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K&N for SP |
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Robert 
Falcone 
Joined: 07 Apr 2020 Location: Scotland Status: Offline Points: 53 |
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 Topic: K&N for SPPosted: 19 Dec 2020 at 20:12 |
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I’m thinking of fitting a K&N MG-2640 air filter to my 82 Sp, but what do I need to do with breather set up.
Thanks
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Chris A
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Joined: 15 Dec 2018 Location: France Status: Offline Points: 246 |
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Posted: 19 Dec 2020 at 20:38 |
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You need either the Le mans or Agostini type of breather boxes.
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Ken-Guzzibear
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Joined: 13 May 2014 Location: Sileby Leics Status: Offline Points: 7344 |
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Posted: 20 Dec 2020 at 09:16 |
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get the breather box, someone fitted a landrover breather, no idea about that one but they work.
Anyhow if you fit the lemans breather disable the flapper valve inside with a screwdriver. You will then need to replace the large angled pipe from crankcase with short straight one same dia At that time fit a new ball check valve in the top of that breather Fit the 2 rocker breathers to the Y shaped pipes on top ov the breather box The smaller of the breathers at the bottom needs a long breather pipe some take it to a catch bottle/tin others loop it up along the frame and let it exit at rear no plate like Brit bikes did Gutsibits usually have the breather boxes or Reboot
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The Older i Get, The Better I Was
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David Nimrod
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Joined: 16 Apr 2015 Location: Nottingham Status: Offline Points: 666 |
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Posted: 20 Dec 2020 at 10:01 |
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Is it worth it..?
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Moto Guzzi Breva 750 (2007)
BMW R1150GS (2003) Harley Softail (1989) Harley Electra Glide (1988) |
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theone&onlymin
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Joined: 14 May 2014 Location: United Kingdom Status: Offline Points: 1345 |
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Posted: 20 Dec 2020 at 13:07 |
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One answer to this question would be another question so it would.
How often you check / change your airfilter ? Cheers Min
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Ken-Guzzibear
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Joined: 13 May 2014 Location: Sileby Leics Status: Offline Points: 7344 |
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Posted: 20 Dec 2020 at 13:10 |
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Having done this yrs ago i would say absolutely worth it the oem air filter on early Guzzis is useless they collapse and are a major job to change once done the K&N needs attention every 10k miles and is easy to do
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The Older i Get, The Better I Was
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David Nimrod
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Joined: 16 Apr 2015 Location: Nottingham Status: Offline Points: 666 |
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Posted: 20 Dec 2020 at 15:29 |
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Personally, I like K&N filters, I have them on three of my bikes. |
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Moto Guzzi Breva 750 (2007)
BMW R1150GS (2003) Harley Softail (1989) Harley Electra Glide (1988) |
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