Author Topic: 350 AIR FILTERS  (Read 6057 times)

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Offline moonpup

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350 AIR FILTERS
« on: August 01, 2012, 04:14:11 PM »
These pop up on eBay every now and then and after checking the parts manual, I see that they are an older style that were changed over to a different filter.
 
Were they defective, did they allow too much debris through, why the change? Can they still be used with some sort of alteration/addition to make them more effective or should they be avoided? What's the poop here?  ;D
« Last Edit: August 01, 2012, 04:29:43 PM by moonpup »
Confucius say... "Better to have Bridgestone than Kidneystone"

Offline Richard Clark BS parts

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Re: 350 AIR FILTERS
« Reply #1 on: August 01, 2012, 04:36:56 PM »
350 air cleaners (both styles) were the poorest designed item on the 350, they are the main
reasons the 350 went through cylinders.  Please read my link posted in the TIPS section of this site, I have
directly linked it below.

http://bridgestonemotorcycleparts.com/index.php?topic=421.0

The early filters, as shown in post above this one, were nothing more than oiled wire mesh,  fine for 1930 but no good today.
But they did filter out the birds!  ;D

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« Last Edit: August 01, 2012, 04:39:45 PM by Richard Clark BS parts »
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Offline moonpup

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Re: 350 AIR FILTERS
« Reply #2 on: August 01, 2012, 04:43:35 PM »
Thanks Richard, I'd read your thread before and planned on using your tips when the time came to but hadn't heard much on these older style filters. Were they just too porous as well and can they be modified?
Confucius say... "Better to have Bridgestone than Kidneystone"

Offline Richard Clark BS parts

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Re: 350 AIR FILTERS
« Reply #3 on: August 01, 2012, 04:50:03 PM »
I use the system that I described in my TIPS message

Questions? or need Bridgestone parts? call:

Richard Clark
812-944-1643  8am-6pm EST Weekdays

Richard  Clark, Owner and provider of this site
BRIDGESTONE MOTORCYCLE PARTS
New Albany IN

BS Shopping Cart- With just a few of my BS parts

https://6x6parts.com/bridgestone_motorcycle_parts/

Thanks
Richard Clark

bsparts@aye.net

ztnoo

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Re: 350 AIR FILTERS
« Reply #4 on: August 01, 2012, 05:43:28 PM »
Richard,
Do you have (or maybe others....Mr. Reed, Mr. Anderson, etc., Etal), have any pics of the suggested modification in the link http://bridgestonemotorcycleparts.com/index.php?topic=421.0.  ??
There's nothing quite like good pics to clarify a modification suggestion.

It would definitely seem like this is the weakest link in the whole bike and helps explain why a lot of 350s with low miles probably got parked within a few thousand miles of ownership.......especially when operated in dirty and dusty conditions.

Regards,
Steve

reed

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Re: 350 AIR FILTERS
« Reply #5 on: August 01, 2012, 08:47:58 PM »
Steve,
I will post some pictures of the air filter's tomorrow.
Thanks.
Steve Reed.

ztnoo

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Re: 350 AIR FILTERS
« Reply #6 on: August 02, 2012, 04:41:13 AM »


Thanks Steve.

ziggy stardust

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Re: 350 AIR FILTERS
« Reply #7 on: August 02, 2012, 08:20:29 AM »
This is how I did it. The filter material is clamped within the bridge using shaped strips of aluminium and the original screws.

Z
« Last Edit: August 02, 2012, 08:24:04 AM by ziggy stardust »

Offline moonpup

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Re: 350 AIR FILTERS
« Reply #8 on: August 02, 2012, 09:16:49 AM »
Ziggy, thanks for posting your picture. I searched for pic's of this late last night as I thought I'd seen it before, but couldn't find it.  ???

Another question if you don't mind..... Is this type of foam intended to be used dry or does it need to be oil soaked as well? It looks like a type of foam that doesn't need it but thought I'd ask anyway.  :D
Confucius say... "Better to have Bridgestone than Kidneystone"

ziggy stardust

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Re: 350 AIR FILTERS
« Reply #9 on: August 02, 2012, 09:42:26 AM »
No problem Moonpup. I bought the filter material in sheet form off eBay. 

This type of filter needs to be lubed, smear or spray your favorite filter oil onto it then squeeze out the excess.

Z
« Last Edit: August 02, 2012, 09:44:14 AM by ziggy stardust »

reed

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Re: 350 AIR FILTERS
« Reply #10 on: August 02, 2012, 09:06:44 PM »
Picture of a Bridgestone GTR air filter front and back etc.
Thanks.
Steve.

 


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