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Thread: Cleaning Flame Arrestor
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02-21-2010, 01:16 PM #11Senior Member
- Join Date
- Feb 2004
- Posts
- 168
If you have a newer EFI engine more than likley you have a K&N filter. You should get the K&N recharge kit. It contains a solvent to clean the filter and an Oil spray to recharge the filter.
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02-21-2010, 01:19 PM #12
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02-21-2010, 02:04 PM #13
Here it is from K&N
Washable and Reusable
The oiled cotton gauze and epoxied screen element in K&N’s Flame Arrestor is a one-time investment. A quick service every 500 engine hours or so is all it takes to restore the filter to its original efficiency. K&N is the world leader in advanced air filtration technology for high performance engines. The introduction of the K&N Flame Arrestor represents a significant innovation for marine engine applications. Never before has there been a product that can single-handedly improve horsepower by as much as 15 percent, satisfy Coast Guard regulations and offer critical engine protection.
THe carbed engines have an all metal flame arrestor
Some how i think 500 hours is a little long , id wash it after every 100 hours imo09 21v LAUNCH
99 Outback LS. Sold
run your engine after you change your oil
68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
Doug
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02-21-2010, 02:21 PM #14
DOCDRS, you have a Supra that may be different, but the new Moombas I've seen have an all metal flame arrestor, and the maintenance schedule says to clean it every 100 hours. The oiled cotton types do require a recharge, but the all metal ones don't. Just clean, dry, reinstall.
Last edited by brain_rinse; 02-21-2010 at 02:44 PM.
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02-21-2010, 02:22 PM #15
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02-21-2010, 02:28 PM #16
brian, i have a 340 cat ext which is also on the moombas, I think it is just these motors that have the cotton ones, the 325's and 310's as you have, must have the all metal
09 21v LAUNCH
99 Outback LS. Sold
run your engine after you change your oil
68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
Doug
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02-21-2010, 02:38 PM #17Senior Member
- Join Date
- Feb 2004
- Posts
- 168
If you click the word "service" on the K&N web site for the Marine filters this is there explaination of service.
K&N Air Filter Cleaning Instructions
1. APPLY CLEANER
FOLLOW ALL SAFETY INSTRUCTIONS ON THE K&N AIR FILTER CLEANER BOTTLE. IT IS RECOMMENDED TO UTILIZE K&N’S 32oz PUMP SPRAY CLEANER (P/N 99-0621) WHEN SERVICING LARGE OR DIESEL APPLICATION K&N AIR FILTERS.
Spray K&N Air Filter Cleaner onto both sides of the air filter until it completely saturates the pleated material.
A. Apply K&N Air Filter Cleaner to clean side of filter
B. Apply K&N Air Filter Cleaner to dirty side of filter
Allow cleaner to soak into both sides of air filter for 10 minutes to loosen the dirt. Do not let cleaner dry on air filter.
CAUTION: THE USE OF ANY OTHER CLEANING SOLUTION OR METHOD COULD DAMAGE THE FILTER!
2. RINSE
Rinse off air filter with cool low-pressure water. Allow gravity to flush dirt out of air filter by applying water to the clean side of the filter; up and down the length of the pleats.
Continue to rinse the filter until all traces of cleaner are gone. If the filter is extremely dirty it may be necessary to repeat steps 1 and 2. If there are spots of dirt remaining on the filter, spray each spot directly with cleaner, allow a few minutes for it to soak and repeat rinsing step.
3. DRY
After rinsing, gently shake off excess water and allow filter to dry naturally. Do not proceed to the oiling step until the filter is completely dry.
CAUTION: THE USE OF ANY OTHER DRYING METHODS (I.E. COMPRESSED AIR, DRYER HEATERS, HEAT GUNS) COULD DAMAGE FILTER.
4. OILING
RECOMMENDATION: FOR BEST RESULTS USE K&N AIR FILTER OIL.
Apply K&N Air Filter Oil liberally to the dirty side of the filter only. This will allow for a visual reference of complete coverage.
A. If using a K&N squeeze bottle, squeeze bead of oil along the crown of each pleat using the lip on the squeeze bottle tip as a guide. Utilize graduated view strip on bottle to dispense proper amount of oil.
B. If using a K&N aerosol spray, spray an even amount of oil along the crown of each pleat.
Wait 20 minutes for the oil to be absorbed into the filter media. Inspect the clean side of the filter for any areas that are lighter in color. Touch up these areas in the media by applying oil to the dirty side of the filter. Continue oiling procedure until there is an even red color over the entire surface of the clean and dirty side of filter.
5. FILTER INSTALLATION
Before reinstalling filter back into vehicle, inspect it for damage. Follow any and all specific installation instructions that came with the K&N Air Filter.
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02-21-2010, 02:40 PM #18
Doc, that would make sense. I agree 500 hours seems too long. I'd stick with the manual's 100 maintenance interval.
Last edited by brain_rinse; 02-21-2010 at 02:45 PM.
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02-23-2010, 05:45 PM #19
Well, whatever the case, I know mine is fairly dirty. I'll need to clean it for sure before this year gets started. I'm assuming they still call it a flame arrestor, but in actuality it's more of a glorified air filter than anything on the EFI engines.
2015 Supra SC400
08 LSV - Sold
Go big, or go home.
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02-23-2010, 06:42 PM #20
well can you get the k&n for the 325 hp ? I would buy them I wonder if you would get any gains in hp thanks docdrs