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Bel-ray Foam Filter Oil
Bel-ray Foam Filter Oil

$9.99 - $12.99
19% Off - Save up to $3.00

Description See Also: 36 Reviews 2 Questions Part Numbers WARNING
Item #BRY000E

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36 Reviews
4.8 out of 5 stars
5 Star   29 4 Star   6 3 Star   0 2 Star   1 1 Star   0
All Reviews
Paully Verified Purchaser Top 1000
Over 7 months ago NC
Thick and sticky

I’ve been using Bell Ray oil for years now. Coats well and have never had any issues with dirt getting through.

Rusty Verified Purchaser Top 50
Over 11 months ago port st lucie florida
Bel Ray Foam filter oil

Tried them all Love this super tacky Foam filter oil by BelRay. Never have an issue with dirt blow by. Motosport always has in stock ready to ship.

ConnerP Verified Purchaser Top 100
1 year 8 months ago East TN
Too thick

This oil is too thick and too sticky to easily work into the foam. Picked some up when I ran out of my usual brand, and threw away about half a bottle. Bel Ray makes great 2-stroke and motor oil, but their filter oil does not make the cut.

markymark875 Verified Purchaser
2 years 5 months ago Kalkaska michigan

this stuff works very well, very tacky, put just enough to turn the filter blue, pat the access out, and your done, i have never had dirt in any of my engines useing this filter oil.

Justin Verified Purchaser Top 500
2 years 8 months ago Chicago, IL
Best filter oil ive ever used

Nothing but great things to say about this oil. It's super tacky and does an excellent job keeping dirt out of the motor. I use this on all my bikes with the Bel Ray cleaner as well.

CavemanBob173333333333333 Verified Purchaser Top 250
2 years 11 months ago San Rafael, CA, USA
A wisemans purchase

Have used the Bel Ray Filter oil for the last 45 years & I have never seen an dust or dirt in the air boot, this is a very high quality, reasonably priced product that is unsurpassed in protecting your motor, it also doesnt wash off like the bio degrable air filter oils do if they encounter some water, I wont use anything else

Thomas23 Verified Purchaser
2 years 11 months ago Jay, FL 32565, USA
Good Deal

Works great doesn't gum up or go to the bottom of the filter.
Better price than most... Bonus

yz450rider Verified Purchaser Top 100
Over 3 years ago Kenosha, WI, USA
Filter oil

Good stuff, really grabs the dirt and sand.

YZDOC Verified Purchaser Top 1000 Contributor
Over 3 years ago Silverado

Put a little of this on after the spray fab1. Extra sticky for dirt!

boff MotoSport Staff Verified Purchaser Expert
Over 3 years ago

See 10 More Reviews
2 Questions
Answered:   2
Not Yet:   0
Q: Will it work with the "Twin air" brand of filters?
Over 10 years ago
Verified Purchaser Top 100
Over 10 years ago
A: Yes,all foam filters are happy with this oil.
Over 10 years ago
A: yes
Top 100
Over 10 years ago
A: Yes this will work with Twin Air filters.
Expert MotoSport Staff
Over 10 years ago
A: Yes this will work just fine.
Top 50
Over 10 years ago
A: I use this on my KX500 twin air. I think the twin air is over kill and want to try a single membrane, but this oil works great. Be sure to saturate the inside and outside of both filters. Squeeze out the access back into the bottle using a funnel.
Q: How do you clean this out of your filter?
Over 11 years ago
Expert MotoSport Staff
Over 11 years ago
A: Just use some foam filter cleaner...
Top 100
Over 11 years ago
A: I use solvent in a large parts washer but some use soap and warm water.
Over 11 years ago
A: I use paint thiner in a 5 gallon bugget dont fill up the bucket all the way just about 6 inches. Then squeeze it out well and rinse with water and then letit dry.
Over 11 years ago
A: You can use warm water with some dish soap or OxyClean to remove it from the filter. Don't use gas or kerosene as it could damage your filter.
Top 100 Verified Purchaser
Over 11 years ago
A: Mineral spirits will remove the oil in 1 minute, but you have to wash it out with dish soap after that. Make sure all mineral spirits are washed out or else it will make your new oil runny after filter dries.
# Part Numbers
Product Variant Manufacturer Part #
Single / 1 Liter 99190-B1LW
Single / 400ML 99200-A400W
California Proposition 65

WARNING: This product contains chemicals, including (2,5-Hexanedione), known to the State of California to cause birth defects or other reproductive harm. Wash hands after handling. For more information, go to