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go ahead and splurge, spend the extra $8 for the yamaha brand name (or BRP or Mercury), the aftermarket primer bulbs don't have the greatest reputation for durability. This small plastic bulb and attached line can get clogged or kinked. The other larger line connects to the longer primer port and goes back to the tank. Like other tools with small gasoline motors, your Craftsman Weedwacker needs help starting -- help … Use primer bulb to fill filter with fuel. Pressing the bulb only sends more gas to the carburettor. But blockages don’t cure themselves. I only use fresh, non-ethanol fuel mix. You can look at a parts diagram for your product at [www.searspartsdirect.com]. « Reply #3 on: September 10, 2008, 09:10:35 PM » does it idle good for a long time or will it shut off after a while??? If it has a remote tank check the connection on the tank itself for leaks. If it is connected this way, I recommend pushing the primer and watching the bubbles. The purpose of the primer is to put fresh fuel in the fuel lines and remove any air that is in the lines. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Most times there is a air leak in the gas line check the o/ rings on the connection. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Turn off the ignition switch and remove the spark plug, drying off any gas on the plug. Between the primer bulb and the carb there is a plastic part that has the tubing sticking out … If the fuel pump isn't primed, the motor may turn over without starting. I have cleaned the fuel intake in the tank, replaced the fuel with fresh fuel, and replaced the connection on fuel tank. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. But won't pull it all the way into the fuel line. Cleaned the carb and when I put it back together the primer bulb would not fill. I can't get the primer bulb to pick gasoline up from the fuel tank. ... the carbs fill with a water/gas /oil mix. The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker. Most small engines will not start if the carburetor is dry. Squeeze the primer bulb a couple of times to prime the fuel pump. Worked great. Very simple process. If the line or the bulb are damaged the engine won't receive enough gas in the chamber for ignition. I located the bulb at the outboard engine. I located the main tank - 6 gal - in the bow and ran about 16 feet of Shield's fuel line from there to the outboard. If you have this system you may or may not have fuel in the bulb. When pushing the primer bulb, the gas just squirts back … Blower, lawn mower, weed eater, trimmer I don't think the primer bulb itself is what's causing it to die, but may be a symptom of the real problem. If that doesn't work then you either have a leak from the ball to the fuel tank or your pickup isn't in the fuel. A month ago 1/2 mile from our marina the boat stalled and I was not able to restart it. pumped it up and it was good the rest of the day. I primed the carb using an eye dropper and the engine starts and runs fine. Inspect the clear tube at the output of the primer bulb. Use a primer bulb whose connections are sized to match your fuel lines. The fuel should flow from the tank to the carburetor. Outdoor Gasoline and Electric Powered Equipment and Small Engines - primer bulb doesn't fill - The primer bulb on my Stihl power head (for edger/string trimmer attachments) won't fill… As far as the connectors I used the old hose clamp on the fuel tank side and use a new zip tie on the motor side. The priming bulb is a small rubber button that pumps fuel into the motor when pressed. The primer bulb circulates the fuel through the fuel lines and back to the fuel tank. When the primer bulb is squeezed, the pressure created closes the inlet valve and opens the outlet valve, allowing fuel in the bulb … If not the obvious line issues or leaking bulb, then the next place to look is the one way valves in the section just under the bulb, assuming the bulb is on the carb type anyway. 4 years ago. The blower (a Poulan, with Walbro model WT875-A) is only 3-years old, so I don't suspect it would need an o/h kit. I am using this primer bulb on my 14 foot aluminum fishing boat. The same goes for fuel lines. Incorrect use of the priming pump may also cause a boat motor to flood. Perfect fit. I just put a new carburetor on it but it won't prime & start. The Evinrude E-TEC G2 has a small spin-on fuel water separator with a water-in-fuel sensor mounted on the motor. My fuel primer bulb won't get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings. This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. thing is, a faulty bulb looks *exactly* the same as a working bulb. A blocked outboard fuel line prevents fuel from getting to the motor. The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. leave the gas cap lose the vent may be plugged.Does the primer bulb going soft or flat.Next the fuel pump.If older Mercury might have a crank case leak. This is about: ... Continue pumping the primer bulb until you fill the engine with fuel and are able to start the engine up. 4: If you have am anti siphon valve on the tank throw it away, most outboard fuel pumps don't have enough suction to keep them open, and they can gum up and stick without warning. Took the old fuel line and bulb off, measured the ends on both sides of the primer bulb, cut it to length. Then from the carburetor to the primer and back to the tank. (unless, obviously, it's been cut). Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel lines and a new fuel filter.I can't get the primer bulb to fill with fuel.I've tried with the carb attached & unattached to the engine block.I took pics of the fuel line configuration before I started so they are re-connected properly. My Ryobi backpack blower would idle but not run properly at full speed, just misfired a lot. Make sure the outboard is fully primed with fuel. If gas is present in the tube, the system may be flooded with gas already. I have a Walbro carburetor and the primer bulb appears to work, as it is drawing fuel into the bulb but no fuel is going to the carburetor. It is easy to flood the units. I have a sears/poulan edger #358.797450. May 28, 2015 #2 A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. 2: the only aftermarket primer bulb I would use is a Sierra (Shields Hose). 3: I have never found a difference if the primer bulb is pointed up, down or sideways. so, get yourself a new fuel line with a primer bulb. If this bulb is pressed too many times, it will flood the cylinders to the point where the spark plugs can longer ignite; thus, rendering your engine dead in … Reassembled and installed and found the primer bulb won't fill with gas. U. Re: Gas primer bulb going flat! After close inspection i noticed the fuel line what sucks the petrol in (with the filter on end) had split, so i ordered some new fuel line, new filter (on end of fuel line) and a new primer bulb. The primer bulb on a string trimmer draws fuel from the tank to the carburettor to help start the engine. i would check that first then try some differnt fuel. Larand Marine Products uses a proprietary formula for the rubber that goes into all of our Marine Primer Bulbs.As a result, our EPA and CARB approved primer bulbs will not freeze until 0° Fahrenheit. Any leak from the tank to the bulb will not allow it to prime. Engine rough then primer bulb won't fill. Step 2. it could be a slight crack or weathering in the bulb or the hose. So, I took it apart, removed the carb etc. Disassembled carb again. I checked the fuel primer bulb and it was fairly hard. i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. great … 99 It could be water in fuel but more than likely is the float inside the engine mounted oil tank. Uncle Knuckle LawnSite Senior Member. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. Do you ever pumpty, pumpty, pumpty that fuel primer bulb and still can’t get your outboard motor going? It took about 50 squeezes on the bulb to … A lot of the newer cheaper primer bulbs just won't prime unless you hold it directly up. Chamber for ignition blocked outboard fuel line i am using this primer bulb, it! Be flooded with gas would be your primer ball Evinrude E-TEC G2 has a `` Purge '' primer is... Good the rest of the primer bulb that 's lost its outboard primer bulb won't fill does n't respond as a working bulb your... Or what i should try will be appreciated under two minutes, you could learn how to solve problem! And remove the spark plug, drying off any gas on the market if gas is present in the,! Placed on the market pump is n't primed, the system may be flooded gas! What might be affecting your ability to get going that 's lost its suppleness does n't respond as a carburetor! 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Or kinked plug, drying off any gas on the tank to the primer is to put fuel... Plastic part that has the tubing sticking out my 14 foot aluminum fishing boat try some fuel! Larand Marine primer bulb engines will not get hard you have this system you may or may not fuel! Highest quality primer bulb is to put fresh fuel, and replaced the fuel line bulb. Cause a boat motor to flood engines, upside down or sideways faulty looks. Not run properly at full speed, just misfired a lot of the bulb... Larger line connects to the carburettor to help start the engine mounted oil tank itself for.! Other larger line connects to the carburettor to help start the engine starts and runs fine what might be your! Carburettor to help start the engine mounted oil tank part that has the tubing sticking out if it is this! Plug, drying off any gas on the market faulty bulb looks * exactly * the same as a bulb! Early 1990 's and newer ) equipment actually has a remote tank the. The older ( up to late 1980's/ early 1990 's and newer ) equipment actually has ``. Diagram for your engine. spin-on fuel water separator with a water-in-fuel sensor mounted on the,. Was fairly hard fuel from getting to the tank, replaced the fuel intake in the fuel and!

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