Homelite weedwacker engine problems (still a weedwacker) - RCCanada - Canada Radio Controlled Hobby Forum
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Old 04-17-2006, 02:56 PM   #1
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Homelite weedwacker engine problems (still a weedwacker)

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I figured some of you guys probably have worked on 2 cycle yard equptment engines too so maybe someone can help me with this problem. The fuel lines on my weedwacker engine are bad. The way the Homelite engines are set up is the fuel lines are shoved through holes in the tank and the holes are smaller than the tube, so when the tube presses up against the hole it makes a seal and the tank can pressurize. The lines on my engine right now arent making a seal. I tried to pull them out a bit so there was a fresh spot on the tube that wasnt compressed by being in the hole so long, but that didnt cure the problem. I can get the engine to run for about 10 seconds and it looses pressurization. Any ideas here? I just replaced the fuel lines on my tiller about 2 weeks ago but the regular kind of fuel tubing wont work for this engine, its too stiff and wont fit in the holes on the tank.

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Old 04-17-2006, 03:20 PM   #2
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Is it a Walbro carb? Are you sure the fuel tank gets pressurized? i thought those small weedwackers put negative pressure (sucked) the fuel out of the tank via the diaphram pump built into the carb?
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Old 04-17-2006, 04:10 PM   #3
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There is no pressure in the tank as the carb has a pump. Check your vent on the tank, if it is plugged you will get a short run and then die.
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Old 04-17-2006, 10:00 PM   #4
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Steve, check the fuel line inside the tank. My neighbor had the same problem with his Homelite. The fuel line was rotting near the clunk.
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Old 04-17-2006, 10:43 PM   #5
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I think vulcan has it. I've seen the same thing, sealed tank=short run and dies.
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Old 04-18-2006, 09:21 AM   #6
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Well I found the problem guys. I swapped the tank out with the one that was on the leaf blower that I am converting to RC. When I took the tank out of the wacker I noticed something in the tank... the clunk and the rest of the fuel line Since the tank wasnt completely full that would explain why I was having problems I stuck some regular large size fuel tubing into the blower tank just to use while I am working on the blower engine, not the best setup but it made the weed wacker run

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