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Honda powered lawn mower won't start

Posted by eglideic Iowa (My Page) on
Fri, Apr 20, 12 at 0:44

I got a new TroyBilt lawnmower with a Honda GVC160 motor last year and it worked fine.
I tried to start it this year and it wouldn't start.
I drained the old gas from the tank and carb bowl and put in new gas.
It still wouldn't start.
I pulled the spark plug and had plenty of spark.
I poured gas into the carb to prime it and it fired and ran untill it burned the gas I poured in.
I held the choke closed and someone else pulled the cord and it started and runs as long as I keep it partly choked.
Any ideas?


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RE: Honda powered lawn mower won't start

  • Posted by baymee LehighValleyPA (My Page) on
    Fri, Apr 20, 12 at 5:40

Typical varnish in the carb. Those carbs use a long thin jetting system. If you look straight up through the hole where the bottom drain plug inserts, you'll see a screwdriver slot. That is the jet. Unscrew it and clean it, or possibly even the whole carb.

Before you do this, remove the bowl itself and inspect for water.


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RE:: Honda powered lawn mower won't start

  • Posted by baymee LehighValleyPA (My Page) on
    Fri, Apr 20, 12 at 5:42

Check out this post:

http://forums2.gardenweb.com/forums/load/lmower/msg051313339279.html?3


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RE: Honda powered lawn mower won't start

Sounds like you aren't getting the proper air/gas mixture. Pretty common and probably have varnish and/or clogged carb.

Whatever you do, don't throw that mower away. Even in it's non-running condition, it's worth something to somebody.


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RE: Honda powered lawn mower won't start

OHC engines have been known to have sticky valves after storage without proper preparation. You can put a 1:1 mixture of gas and Marvel Mystery Oil (1 teaspoon) in the spark plug hole and see if it runs momentarily on that. If not, pull it a few more times and let it sit overnight. Use of MMO and fuel stabilizer in your gas can could well prevent this sort of problem.


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RE: Honda powered lawn mower won't start

FIXED.
My brother took a look at it and just shortened the spring to the governor and it works like new.


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RE: Honda powered lawn mower won't start

I just want to point out a few things I feel are worth noting.

First to the OP. Please learn proper lawn equipment maintenance. Leaving today's gas in a mower over the off season is silly, even if your using a stabilizer. The ethanol in most fuel will pretty much turn to water (in lay terms) and render your practically new mower useless. Just Google ethanol gas in lawn equipment and read up. Then Google "lawn equipment maintenance" and do the same. Its for your/your wallets own good.

Second to saxman, Honda mowers dont suffer from sticky valves that often. Especially after this short of a time. I fixed a guy who acquired his father in laws HRX that sat for 1.5y with fuel in it and even though his carb had pretty much straight water in it and was rusted on the inside (blew my mind) the valve was not compromised in any way.Personally I have never even ran across this issue. Not that it doesnt happen but I just feel its pretty uncommon.


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RE: Honda powered lawn mower won't start

It has come up here before or I wouldn't have mentioned it. The treatment I proposed was harmless and would do some good even if the valves weren't stuck. It was worth a shot. Sometimes we get the answers and sometimes we don't.


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RE: Honda powered lawn mower won't start

I have a relatively new Honda powered Troy Bilt. 2nd one; This is your typical constant speed, no control lawn mower. Set the choke; pull the chord as if to prime and then start. My 1st went back after 3 attempts by Lowes to make it run. To their credit I received a FULL refund. I started the one I have now; cut the backyard in the a.m. Would NOT start at 5:30 p.m. the same day to cut the front. Throwing a great spark. remove the bowl; clean as the proverbial whistle and plenty of fuel. After many attempts with a mechanic friend, it will NOT run. I believe the issue is electrical/electronic.
This mower is going back. My review... DO NOT BUY!


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