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  1. #1
    Moderator DrewNJ's Avatar
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    Inside of the Ultra Oil Filter

    Just out of boredom and curiosity I decided to cut open a kawi oil filter off my 250. Attached are the pics of what I found inside. I'm surprised at what I found. This is much different than what I've seen on the inside of a car filter. The filter media is very dense. Almost feels like a very tightly pressed cotton.. The "cage" holding it all together is plastic and it just looks like the cotton is glued to the plastic cage..
    This is kawi part# 16097-0003
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  2. #2
    Moderator DrewNJ's Avatar
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    a few more pics.
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  3. #3
    Moderator DrewNJ's Avatar
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    Any comments by someone that knows filters or has cut a few open on their own??

  4. #4
    WOW! you weren`t kidding...
    Although I`m sure Kawi has their reasons for the specs.
    maybe that media has the capacity to flow 100% of the oil continuously.
    IDK, surprised to see lack of bypass/relief valve or even a spring either sprial or plate to hold assy tight to the base and adbv...
    I doubt its cotton, maybe a cellulose synthetic media. I would have to give Kawi the benefit of the doubt and at least think they would choose something good...

    IMHO, that`s one crappy design...
    whether or not it does the job...
    http://www.amsoil.com/AmsoilLookups/...rCrossRef.aspx

    Manufacturer Code Manufacturer Name Premium Part Standard Part

    160970003 KAWASAKI
    51358
    WIX Automotive, Light Truck and Racing Oil Filters Product Code: 51358-EA
    Made with a full metal base plate for superior strength at the double seal & also feature a silicone anti-drainback valve. Glass-enhanced media in WIX oil filters offers greater efficiency, capturing more 10 to 12 micron sized particles than other cellulose/synthetic blend medias. Use PART NUMBER drop down to select filter.


    http://www.amsoil.com/AmsoilLookups/...rtsLookup.aspx

  5. #5
    Part Number: 51358 UPC Number: 765809513587 Principal Application: Honda Motorcycles + Industrial Engines, I-R, Komatsu, Kubota, Kia (95-05), Mercury, Arctic Cat, Nissan (06-10), Polaris, Subaru (06), Yamaha, Other Style: Spin-On Lube Filter Service: Lube Type: Full Flow Media: Paper Height: 2.782 Outer Diameter Top: 2.685 Outer Diameter Bottom: Closed Thread Size: 20X1.5 MM By-Pass Valve Setting-PSI: 8 Anti-Drain Back Valve: Yes Beta Ratio: 2/20=13/52 Burst Pressure-PSI: 265 Max Flow Rate: 8-10 GPM Nominal Micron Rating: 21
    Gasket Diameters Number O.D. I.D. Thk. Attached 2.475 2.173 0.233

  6. #6
    hope you gents can understand the supplied info.
    I simply cross referenced the kawi filter part number in Amsoils reference guide and came up with the wix counterpart...

    is it correct, IDK

  7. #7
    CrazyCooter's Avatar
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    Yep, I have Amsoil EAOM103's sitting on the shelf waiting for the first oil changes.

    Wonder what the difference is between the two Kawi filters listed in the parts book other than price.

  8. #8
    Quote Originally Posted by CrazyCooter View Post
    Yep, I have Amsoil EAOM103's sitting on the shelf waiting for the first oil changes.

    Wonder what the difference is between the two Kawi filters listed in the parts book other than price.
    true, I also read that for the bikes...
    according to the amsoil`s site: it appears that the EAOM103 is a FULL Flow filter.

  9. #9
    CrazyCooter's Avatar
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    I was under the impression that all engine mounted filters were full flow and the bypass was done @ the oil pump or in the block somewhere.

    This is why it is so important that the full flow filter is efficient, so that it doesn't get bypassed at higher rpms. EaO filters do a wonderful job on car engines, so I expect the PWC will be no different.

  10. #10
    Quote Originally Posted by CrazyCooter View Post
    I was under the impression that all engine mounted filters were full flow and the bypass was done @ the oil pump or in the block somewhere.

    This is why it is so important that the full flow filter is efficient, so that it doesn't get bypassed at higher rpms. EaO filters do a wonderful job on car engines, so I expect the PWC will be no different.
    there doesn`t appear to be any by-pass in the kawi spec filter made by denso.
    take a look at any filter breakdown, wix, purolator etc and you`ll see the by-pass valve.

    pressure relief or regulator is in the engine block (kawi), PTO cover, (seadoo), and oil pump TRW/Melling etc...

    having a discussion with DrewNJ about if aftermarket motorcyle/powersports filter lack the by-pass valve...

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