1987 Honda HS55 gas leak - Snowblower Forum : Snow Blower Forums
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post #1 of 11 Old 01-07-2015, 08:57 PM Thread Starter
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1987 Honda HS55 gas leak

Hi,
I'm the original owner of a Honda HS55 snow blower which works and runs well. However, it started leaking gasoline - collecting under the carburetor bowl. I replaced the float valve set and all else looked good upon reassembling, but again, after a few uses, it leaked. Perhaps changing the carburetor and insulator gaskets, as well as the spacer may work?
Has anyone shared this type of a gas leak with success in solving?
The blower was purchased back in '87. Any help is appreciated. Thanks!
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post #2 of 11 Old 01-07-2015, 09:34 PM
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post #3 of 11 Old 01-07-2015, 10:31 PM Thread Starter
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Thanks - I'll no doubt go this route for the price.
But, should I rule out the gaskets as a source of cause - still?
And note within the "float valve set" mentioned, was a new needle and spring, part #16011-ZE0-005. How does this or the seat get damaged?
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post #4 of 11 Old 01-07-2015, 10:33 PM
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Chances are the needle on the float is being held open by debris that has flowed from the gas tank. You may be able to get away with a thorough carb cleaning, and installing an in-line fuel filter. But if the carb has had water intrusion, and the base metal has been degraded it would be advisable to replace. If you choose to replace, it would also be highly recommendable to install an in-line filter as well to prevent future issues.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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post #5 of 11 Old 01-07-2015, 10:34 PM
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Quote:
Originally Posted by theologian View Post
Thanks - I'll no doubt go this route for the price.
But, should I rule out the gaskets as a source of cause - still?
And note within the "float valve set" mentioned, was a new needle and spring, part #16011-ZE0-005. How does this or the seat get damaged?
Sometimes it just a speck of dirt, alcohol degradation of the rubber seat, or old fuel that can make the needle stick.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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post #6 of 11 Old 01-07-2015, 10:37 PM
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the fuel degrades the needle to the point where it can no longer make a good tight seal
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post #7 of 11 Old 01-07-2015, 10:43 PM
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It's the needle valve/ seat in the carb.

Just like the one in a toilet, ever have a leaky running toilet?
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post #8 of 11 Old 01-07-2015, 11:27 PM Thread Starter
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Thanks all for the wealth shared.
Would an OEM carb be a better investment and any source to direct me to for an in-line filter and install?
Neighbors are counting on me again this year - I'm sure!
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post #9 of 11 Old 01-08-2015, 02:05 AM
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Insofar as the filter, I believe that your machine uses 1/4" internal diameter fuel line. You should be able to pick that up at a reputable hardware store. You will also need to secure the fuel line to the barbs of the filter. So while you are there, two screw type, or spring type fuel clamps, should be picked up, unless they come with the filter.

You may be able to pick up and OEM carb online, but not as inexpensive as the one suggested above. Whether it's better or not, I can not speak to.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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post #10 of 11 Old 01-08-2015, 10:53 AM
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Quote:
Originally Posted by theologian View Post
Hi,
I'm the original owner of a Honda HS55 snow blower which works and runs well. However, it started leaking gasoline - collecting under the carburetor bowl. I replaced the float valve set and all else looked good upon reassembling, but again, after a few uses, it leaked. Perhaps changing the carburetor and insulator gaskets, as well as the spacer may work?
Has anyone shared this type of a gas leak with success in solving?
The blower was purchased back in '87. Any help is appreciated. Thanks!
There is likely some rust/debris/slime clogging up either the float valve or venting system, either of which can result in a fuel overflow/leak. Assuming the tubes, fittings, and other plastic parts have not perished or cracked.

While a complete disassembly and through cleaning (ultrasonic tank) might resolve it, fitting a new carb with fresh gaskets will likely do the job with less drama and more speed. A new carb retails for about $67, depending on the specific unit's serial number. They are not hard to remove and replace, and can save a lot of frustration when trying to troubleshoot fuel delivery issues.

You don't need an add-on filter; there is already one inside the fuel tube where it connects to the fuel tank. Replace the original filter for $5.80 list price.

Avoid storing the snowblower with fuel in the tank or carburetor in the off-season; modern ethanol fuels decay more rapidly than older regular unleaded gasoline, even when treated with a stabilizer.

Get the serial number off the rear center frame of the unit and find you local Honda dealer here; I've also included a link to find a paper shop manual from Honda if you prefer DIY....

Find A Honda Dealer

Honda Power Equipment Shop Manuals on eBay
Honda Power Equipment Shop Manuals on Amazon

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[email protected]
Social Media Consigliere (retired)
Caveat: I work for Honda, but the preceding is my opinion alone.


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