fuel hose thru engine shroud - Snowblower Forum : Snow Blower Forums
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post #1 of 17 Old 03-02-2019, 11:59 PM Thread Starter
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fuel hose thru engine shroud

Hey y'all--

When I needed to replace the fuel hose on my ~1969 Craftsman with 7hp Tecumseh, the standard automotive replacement hose is too fat to fit thru where it passes thru the engine cover. I used a piece of steel tube instead. Is there a thinner fuel hose that will let me put it together as original?

thanks
kevin
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post #2 of 17 Old 03-03-2019, 12:04 AM
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the Tecumseh small engine fuel line is 0.440" OD, or 7/16" and 1/4" ID.

Paul
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post #3 of 17 Old 03-03-2019, 08:35 AM
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We have a farm supply store here called "Fleet Farm". They carry a silicon type fuel line that fits just fine and I've used it on several blower engines so far. Check your local farm or equipment suppliers, I'm sure you'll find something.
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post #4 of 17 Old 03-03-2019, 12:10 PM
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If you end up only having auto parts stores available remember to try both fuel injected and carburetor fuel line (high/low pressure). I think the carb fuel like is thinner but I can't remember any longer. I would guess that currently when you mention fuel line it's likely they only grab FI line since carburetors are getting scarce.
Some stores like Oreilly have access to lawn and garden supplies through PrimeLine and can get actual small engine stuff. I've also seen some 2' pre packaged lengths at big box stores in the lawn and garden section. Don't expect to get help at the store but you might run into that one guy who knows his stuff. I usually search my part number in the PrimeLine catalog to get their crossover number and then punch that into the Oreilly or NAPA sites to see if they carry it and cost.
Don't forget Amazon or Ebay too.

Prime®Line Power Equipment | Parts that works as hard as you do

I think this is the primer line 7-081502 I know I've seen PrimeLine stuff like this at Home Depot.

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post #5 of 17 Old 03-03-2019, 12:22 PM
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If my memory is good on dimensions...yep, auto stores seem to only carry 1/4" ID 1/2" OD nowadays if you're looking for "traditional black Goodyear fuel line". I believe last time I needed some I wound up going to my local Ariens dealer to get line I could feed through easily.

It (quarter/half) can work, it's just a very tight fit and chances are you'll have to take the flywheel cover off to feed it. 1/4" ID with 7/16" OD is ideal. The H70 has that center rib inside the flywheel cover that's always the toughest part of feeding it through without cover removal, wider line or not.

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post #6 of 17 Old 03-16-2019, 06:23 PM
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post #7 of 17 Old 03-16-2019, 06:47 PM
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I buy Briggs and Stratton 7/16 by 1/4 inch fuel line in bulk from my OPE dealer...it gets used up fast! I always take off the recoil cover when replacing...saves a lot of cursing.
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post #8 of 17 Old 03-16-2019, 10:28 PM
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As I have mentioned other places, I find that running a wire through the old line first, pulling it out leaving the wire, and then using the wire to guide the new line in generally takes 5 mins or less, no swearing at all (never had one not go through on the first try) and no need to remove anything.

(Of course there may be some engine out there that I have not yet met that routes it like a pretzel, but so far, none found . . .)
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post #9 of 17 Old 03-16-2019, 11:02 PM
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Quote:
Originally Posted by cranman View Post
I buy Briggs and Stratton 7/16 by 1/4 inch fuel line in bulk from my OPE dealer...it gets used up fast! I always take off the recoil cover when replacing...saves a lot of cursing.
Thanks for the lead on this... I searched for 7/16" fuel line and Amazon has a 25-ft roll of Briggs 7/16 x 1/4 hose for $33 w/ shipping.

I had to replace the fuel lines on my recently acquired Toro 521 and I could not thread the regular 1/2 x 1/4 fuel hose through the flywheel cover, so I ended up scrounging a section of hose.

Part number 395051R.


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post #10 of 17 Old 03-17-2019, 02:35 AM
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Quote:
Originally Posted by tadawson View Post
As I have mentioned other places, I find that running a wire through the old line first, pulling it out leaving the wire, and then using the wire to guide the new line in generally takes 5 mins or less, no swearing at all (never had one not go through on the first try) and no need to remove anything.

(Of course there may be some engine out there that I have not yet met that routes it like a pretzel, but so far, none found . . .)
Coat the hose on the outside with some silicone grease first, that will help it slide through a bit easier, its a tight fit for black rubber fuel hose. If you can get the yellow see thru line, it is a thinner wall and it stands up to heat better, it will slide thru a lot easier. I forget the name of it, "Tyvek" or something.
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