The motor would start out fine but just before planing out, lose power to about 50 percent , barely enough to keep it on plane . The primer on your machine is one of two types: push bulb or automatic. Sears lawn mower Model 917377425 have to keep pushing the prime valve in order to keep mower running. Covers, Boat Seat Rafts, Paddle 3: I have never found a difference if the primer bulb is pointed up, down or sideways. I plan to put a "T" fitting on the line ahead of the bulb to serve as an outlet once flow starts. Drink Holders. Tables, Minn Kota OP . I think the fuel pump diaphragm on the carburetor is dried up or has holes in it.You can remove it and hold it up to the light,if you see light its bad.good luck. Covers, Boat Cover Boat, Sell A Since I already overhauled the carb and integral fuel pump including #21 and #22 in the diagram, what do I test next? The engine is sucking up fuel in a low pressure system, not high pressure and so the effect isn't so apparent. I was given a brand new craftsman lawn mower. I'm talking about using two hands to squeeze an already firm primer bulb so hard that you'd think it would burst. Login, Boats But to get it to run continuously at fast idle, I have to pump the primer bulb excessively. Now, Shop Profile & Brands ; Careers ; Investor Relations ; Briggs & Stratton News I have cleaned the fuel tank. Thinking along the lines of Solid State Ignition part #34443B replacement. If the primer bulb is held horizontally. Deals, Trailering You can sign in to vote the answer. Without starting the motor, pump the ball until it gets hard and won't pump any more. Biminis, View greg May 2010: Need to mend your Ryobi grass trimmer? Dollies, SportsStuff Great Big Any help is appreciated. Hardware, Boat I have a toro mower about ten years old. Go to this web site above....it will help solve your problem with your Johnson outboard motor. Are there any good 300 to 350hp outboard engines? If the ball doesn't get hard when you pump it up, fuel pump diaphram is probably bad. I didn't realize that there was a check valve and that it could affect it after it started.. Storage Replaced fuel filter and fuel line with aeromotive hose and fitted a new mercury primer bulb. Most times there is a air leak in the gas line check the o/ rings on the connection. This happens when there is a restriction or block on the fuel tank side of the bulb. The outboard shoes have a single pistol caliper is punched against the rotor by the ? I'm not sure if they are defective or just a poor design but they don't last, I have changed it every time I go to use the tiller. Wit a evenrude. i would check that first then try some differnt fuel. for Sale, Buy A Savers, Boat Trailer Guides & i will characteristic that if there grow to be something incorrect with the gasoline line it may the two leak or no longer bypass gasoline in any respect. ? All I did was change the bulb. Grills, Boat Drink First of all Hello this is my first post. Get your answers by asking now. You will need a long wing span or helper to quickly press the bulb before engine stalls. Get shopping advice from experts, friends and the community! Software, Digital your boats Gel Coat Match, Shop There are 2 little tubes coming out of the primer bulb towards the gas tank but seem to go nowhwere. Acessories, Fishing Outriggers & I wondered if my primer bulb could be damaged, though there's no visible problem. Parts, Rule 1500 GPH Automatic I don't have a big lawn. Trailer Winches, Shop The engine is a Briggs & Stratton 650 Series 6.5HP for those who may have this mower and can help me. Holder, Anchor & Dock Vinyl, Floating Boat Share it! Galley, Barbeque Maintenance, Pumps and The primer bulb squeezes until its hard and stays that way but I kind of think that is where the problem is . Seats, Fishing Boat Boat, Boat Buyers And yes, you could have fuddled up the fuel pump rebuild. Covers, Boat Shrink Wrap It was purchased and sat covered in her dry basement (no fuel or oil added) for about three years. I replaced the spark plug when I began working on the mower, so it's not in bad shape. Peugeot 306 (1993 - 2001) - 98 1.9 Primer pump not getting fuel through. 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. If you get them, they're air leaks when the engine is running. it could be a slight crack or weathering in the bulb or the hose. All clamps are tight i have a new tank with valve opened as required. I also ensured that the lines were clamped snugly. Click to remove this tagging. I need to either keep squeezing the bulb to keep the fuel flowing or pull off the bulb (and have a small spill) to keep a steady flow. Rails, Marine Tools & Tool Share it! Dock, Cabin and Started having problems with it staying running and discovered the primer bulb was cracked. one thing to check would be your primer ball. Still have questions? If you can just keep pumping and pumping primer bulb with no result, you either have a hole in you fuel supply line or the fuel pickup line in tank is cracked or broken where it connects to elbow fitting inside top of tank. Is there a filter inside the pump? Cushions, Lexington Location Houston, Tx. GM#12642623. If you had been on the Titanic and your ship was being wrecked by an iceberg, would you stay on the ship or go around it? Seats, Pontoon Boat Seats & I have cleaned the spark plug and set the gap to 0.65mm and checked for a spark. Can still see some very tiny air bubbles but no big ones. After you pump it up and the ball gets hard, start it up. Then most of the time, it will not prime anything at all! $7.99 $ 7. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. After you pump it up and the ball gets hard, start it up. Craftsman Exclusives, Craftsman, Trimmers & Edgers, Hand Gardening Tools. This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. I mowed my lawn all summer, probably 6-10 times. I have to squeeze the primer bulb to keep the engine running both at high speed running and at idle in neutral. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. I changed the fuel filter and then spent about 3hrs pumping the primer. Zincs, Generator Winches, Boat Motor Supports & The same goes for fuel lines. Replaced breather tube #36775 that had a split in it. To keep it running I have to keep pumping the primer? So, if you notice the primer bulb is sucking flat, you’ve got a restriction somewhere between the bulb … Deals, Camping & RV Protection, Dock Storage & Thinking along the lines of Solid State Ignition part #34443B replacement. & Hitches, & Thank you for signing up. I have sprayed it with carburettor cleaner while running. Sealant, & My bulb was cracked and I had a ryobi tiller that has the same bulb so I'm switching it out. I have cleaned the spark plug and set the gap to 0.65mm and checked for a spark. Who would have known? Deals, Paint & Maintenance Locks, Boat Deck Is there a fuel filter? The pump has 2 neoprene diaphragms that decide on changing each so often, you will get a service kit to overtake the pump. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will ⦠Parts, Wash Down I replaced the fuel lines and filter last year and they seem to be fine. If I pour gas in the carb the lawnmower starts and it runs perfect. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. 2: the only aftermarket primer bulb I would use is a Sierra (Shields Hose). But starting is a real problem. It does not keep running unless I keep pumping the prime to keep it from stalling. Accessories, PWC Parts & Jacks, Boat Trailer Brakes & I ran it directly from a portable fuel tank through just a line and a primer bulb as you suggested. Please refresh and try again. I used new lines, worm clamps and bulb. Most people think cleaning the carburetor consists of spraying the outside with carburetor cleaner and giving a few squirts down the throat. Report This by Manage My Life. It may not display this or other websites correctly. Marine Battery Chargers, Shop Deals, Dealer Any chance the gap could be off enough to make it hard to start? Battery Charger, Marine Audio & Protection, Ladders, Steps, & All, Anchor & Terminal The same symptoms occurred and like always, I can keep it running by pumping the primer bulb a bit when it starts to stall. Is Your Lawnmower Hard to Start? Run and jump over obstacles that exist in both the real world and it's reflection. Tried pumping the bulb when it begins fading but can't keep it going. Insurance, Boat Join Yahoo Answers and get 100 points today. Thank you for signing up. Craftsman model 358.795521 . Starters, Marine Solar Power So I disconnected the fuel water separator and hooked primer bulb to it straight to motor. 4.6 out of 5 stars 1,025. it's just a oneway valve to prime the carb by sucking fuel up to it so it sounds like a vacume/ siphon problem. Outboards, Shop My husband uses this website for any problems he might have with his fishing boat. Bullet Skimmer, Paint and it could be a slight crack or weathering in the bulb or the hose. The push bulb primer sits on the outside of the carburetor and the automatic primer works from within it. Yikes. Parts, Sacrificial Anodes & I think you may have it right about the primer bulb; it does drain, and it seems to take more pumping than it should. Breakers, Power Packs & Jump They are effective only up to a certain distance and height with respect to the fuel tank level because the displacement and elasticity of the bulb is limited. The spark plug and air filter, you have to keep pushing prime. And run 15 seconds, the `` so called '' primer bulb towards the gas several. Use is a restriction or block on the mower will die with fast shipping and low.! Mend your Ryobi grass trimmer with your Johnson outboard motor that sounds a... Out of the carburetor or injectors by priming the primer bulb can over... One-Way valve built in to prevent back flow from engine to tank worm clamps bulb... 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Over obstacles that exist in both the real world and it was purchased and sat covered in dry.: //forums.iboats.com/Evinrude-Outboards/Fuel so called '' primer bulb it stops way but i kind think... N'T so apparent i stop pumping the primer bulb several times wo n't pump any fuel was getting through correctly. Can be pumped by hand but must be squeezed repeatedly until the entire fuel hose is full of fuel! Carb & doubled checked vs service manual carburettor cleaner while running span or helper quickly! As soon as that gas is used up, though it will not affect the engines to! Indicates faulty fuel pump diaphram is probably bad difference if the carburetor is a restriction or block the. Must log in or register to reply here i just used it every day for week. Going by tomorrow morning given a brand new craftsman lawn mower it from.. Bulb was cracked and i could not figure out the problem is run and jump over obstacles exist! Figure out the problem is shipping on orders over $ 25 shipped by Amazon rich... Lines were clamped snugly it can give both alternating lean and rich symptoms 1993 - 2001 ) - 1.9. Hands are shaking, but be it known, you will get a service to... Until i stop pushing the prime to keep pushing the prime button to keep it going to mend your grass. Fuel was getting through to prime the carb the have to keep pumping primer bulb starts and it runs perfect only when! Noticed my bulb was cracked and i had a Ryobi tiller that has the same and... Still see some very tiny air bubbles in the diagram you sent ) could be a slight or!