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2021 Benelli Leoncino Trail - 2021 CSC SG400 - 2017 SSR Buccaneer 250i - Several CX project bikes
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Discussion Starter · #1 ·
I had a big post typed up, but decided to TLDR it for you all instead.

Currently I'm building up an 80 CX500 as a mild scrambler. My experience with running K&N filters on my last scrambler was a disaster. 12k miles and the rings were shot on my little 250. TONS of grungy dirt got past the K&N and coated the inside of the intake manifold. Not cool. So for my CX500 scrambler, I need an airbox and an oiled foam filter. I also intend to do the occasional water crossing, so exposed filters are not a good option for that reason either.

See last crossing:



That was actually just past the deepest part, which was another 6-8 inches deeper. I'd have ridden it, but to the right is a causeway and the current was push-the-bike-over strong.

Anyhow, what are my options for Murray's carbs and a stock or stock-ish airbox?

Charles.
 

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CX650 motor project into a CX500 Turbo Frame - ongoing
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I'm sure @murrayf can give you better answers, but it'd be my opinion to just keep your stock carbs and box? Or do you already have them with pod filters?
 

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2021 Benelli Leoncino Trail - 2021 CSC SG400 - 2017 SSR Buccaneer 250i - Several CX project bikes
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Discussion Starter · #3 ·
Well, I have a brand new set of OEM carbs on the bike right now, but Murray's carbs make tons of power and make a CX far more fun. I just need a way to not suck dirt in through the K&N rock catchers. Or water.

Charles.
 

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1983 cx650c
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UNI makes many sizes of oiled foam pod filters. I'm not sure what the elements are made of in the KnN filters,,? I had to make a replacement filter from UNI sheet foam as the original on the CX650 had mouse damage and is nla.
 

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A K&N inside the airbox might be a option??
These are freely available....but from your post you dont seem impressed with them in this application..
Again Murray could advise

Unis as pods arent very water-resistant....you end up with wet sponge on the carbie intakes.....had the Unis on a Cb550(sohc) after a downpour it would be affected substantially as it was fairly exposed esp cyl. 1 and 4.
In the box as you propose might be a different ballgame...
 
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