stored fuel eats up tank filter? - Page 2 - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
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post #11 of 12 (permalink) Old 06-22-2019, 06:28 PM Thread Starter
Honda Rider
 
Join Date: Jun 2019
Posts: 6
Fixing it

OK, my posts getting published now Thank you.

Have seen all above problems with E10 fuel here in CA. In this 420 fuel system, the Olefins turning to molasses did in the fuel pump. This system with two fuel filters you cannot see is stupid. And, the fuel pump in a separate canister with filter at bottom on original design ?? even dumber, (new one now on the side ).

Best modification I am doing now is putting a drain in that canister. If you look at it, someone cast a "boss" into it for such a drain then it was never done??? Since it is lowest point in system, water, etc. easy drain out. With new pump apart, I drilled and threaded it for a 1/8" NPT and waiting on a Curtis drain petcock with O ring fit for E10 fuels. Why fuel ate up the "screen" material on the tank pickup filter? = Bad choice of material.
Why not just use stainless steel mesh like most every system I've seen before?
Going to try new Chevron small engine fuel treatment, stabilize for 2 yrs. Since I use Chevron only, would think their chemists know their fuel the best.. Have used Sta-Bil for years, but think will try this newer product now. Looks suspiciously like Sta-Bil 360?
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Last edited by 180pilot; 06-23-2019 at 02:47 PM.
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post #12 of 12 (permalink) Old 07-17-2019, 02:40 PM Thread Starter
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Join Date: Jun 2019
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Post Script

Besides replacing the; fuel pump, tank filter/valve, and the fuel gauge, I had to remove and clean out the fuel injector.
Soaked in solution of denatured alcohol and small amount of Techron Power Sports additive. Then took an ear syringe and pushed solution through it while energizing the 12v contacts from battery with alligator clips, to open and close injector. Now, running like new.
Installed drain valve, on fuel pump case, is easy to access with side panel off.

And, attached picture of "molasses" formed in fuel pump case. After looking at my records, it was 11 yrs. in storage with partially filled tank...time flys...Now besides hunting, using it for mowing with Swisher mower so getting used as it should.
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Last edited by 180pilot; 07-17-2019 at 03:07 PM.
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