Detectors, Binoculars & Boat Gel Coat - Spectrum Color, Pumps and Dollies, SportsStuff Great Big If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. Tubes, Shop Rig up a temporarysay 6 gallontank to the engine so you are bypassing the fuel line to the main tank. Put the motor in neutral and fast-idle. Deals, Pumps & Plumbing Bilge Pump, Tires, Rims, & Hub Parts, Sacrificial Anodes & Shop Deals, Dealer Bilge Pumps, Shop 1,315. Caulking, Marine Engine Insurance, Boat & Ropes, Boat Starters, Marine Solar Power Sea Pro : Models by year. Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. Plumbing, Anchor If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. Maintenance, Fiberglass & Epoxy Charts & It matters if the arrow is pointing in the right direction. Check out our channel and get subscribed! 1 offer from $22.99. 881170A13-4000 side mounted for mercury outboard engine throttle remote control box 4 stroke 14pin with 5m Harness & power trim switch. That indicates there is an obstruction between the bulb . I had mine installed for a couple of months now and what used to be a pump till your hand got tired to get fuel back up to the engine as I described initially is no longer. Free With Prime: Prime Video Direct Video Distribution Made Easy : Shopbop Designer Fashion Brands: Amazon Warehouse Great Deals on Quality Used Products : Cushions, Lexington Pumps, Livewell Aerator Pumps High Back Reclining Helm Seat, Cabin and It can also cause all kinds of running issues and problems that can drive you nuts! Smoke Run, stop, check the tell-tale to see the highest reading. Biminis, View Check hoses, clamps,screw in fittings, on board fuel filter and work toward engine lift pump. Deteriorating fuel lines, bulb, lift pump, air leaks, etc. Get Your Own Born Again Boating Apparel! But not at regular time intervals. to find, on - Answered by a verified Marine Mechanic. I reprime by squeezing the bulb which feels to be full of air. Blocks, Marine Also think about the anti siphon valve on your onboard tank if there is one. Then most of the time, it will not prime anything at all! for Sale, Buy A I was concerned that maybe the anti syphon valve was wrong for my application. Primer bulb loses pressure intermittently. Protection, Ladders, Steps, & Blue and gray fuel lines, (mostly the blue lines), are known for separating. Locks, Boat Deck The bulb can get cracked due to frequent use and wear and tear. Seats, Fishing Boat It can also create sludge and deposits in outboards. Step 3. Could be fuel lines that have deteriorated over time of sitting so long.Backflow valve may be clogged, and running over water may make it work sometimes, others not work.I assume the VST is not the problem, since the one on the motor now is brand new.The primer bulb has been changed to a new one, so that's not the problem.I assume the filter in the VST line is new, as it is attached to the VST.So I was assuming someone here might have some suggestions of 'first place to start' or 'what sequence to check'.Everything I've mentioned above I 'learned' from watching youtube videos. Lighting, Marine Teak 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Then, stick your finger on the hose barb. Meters, Marine Electrical Panels Vinyl, Floating Boat Fasteners, Boat Windshield With the arrow pointing to the side where you pulled the hose off. Kits, Boat Trailer performance driven by forward-thinking technology. Hardware, Boat Seat After watching a lot of videos I have some places to look and methods to try and determine the problem. Guide, Boat Matt. I have a 2005 1720CC with a 90hp 2 stroke Yamaha. Covers, Boat Seat Distribution, ProMariner ProNautic If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? Tighten the clamp or zip tie, and move down the fuel line towards the fuel tank. Manufacturer, Boat Tables & He said it may be gummed up or a foreign particle is under the ball. Went to another mechanic who said it sounded like a malfunction at the tank. Also, after re-priming, if running at slow speeds, looses prime. Ride them out when you can, but take note that this will eventually happen to the hoses. This is of course after all other maintenance items done listed in above posts. Acessories, Fishing Outriggers & Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Plumbing, Fresh Water Boat Hi All I am having some trouble with my fuel system on my Boat and would like a little advice. Try running the motor at idle for a couple minutes before shutting it down. Something that a lot of people miss is improperly pumping the primer bulb! Service during regularly scheduled annual checkups or every 100 hours of operation is recommended for outboards in normal recreational usage, annually or 500 hours for fishing guides or multiple-trip-per-week recreational fishermen. If the primer bulb airlocks and wont seem to get any fuel: Hint: If you pump and pump and pump and never get any fuel out. Active Member. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. We will do what we can and hopefully, well be able to help you out! Battery Charger, Marine Audio & You can also skip a good portion of this process if you want to go directly to the tank and test before following the bubbles. Photo courtesy of Attwood. The way you have your primer bulb mounted could be your issueand even if it isn't-this guy's accent and deadpan delivery are worth watching! With the arrow pointing to the side where you pulled the hose off. Release your thumb. Let me know if this helps and I'll do the same. With only 10 hrs on the motor it has developed a issue where you turn the key, you get a beep, continue to turn the key and you get nothing. If the motor begins to stumble at this point, bump the key again to engage the choke & primer. If the primer bulb is held horizontally. Honda 5hp Outboard, Boat If there arent any bubbles, then go ahead and go back to the beginning where we started. Marble, Engine Know that not all fuel lines are made equally! Parts, Rule 1500 GPH Automatic Our goal is to make content to help people resolve their boating issues and get back out on the water! & Sonar, Trolling Rafts, Paddle At slow speed, loose prime and the motor dies. Holder, Anchor & Dock I am guessing there may be a problem with the lifter, the backflow valve (may not be the correct name), or some filters. R. racer 1 Is the antisyphon valve still in your fuel tank? $12.00, I was experiencing this with my 2016 150. Can You Run An Outboard Without A Poppet Valve? Accessories, PWC Parts & Varnish, Marine Adhesives, Spring is well underway and we are about to roll into summer. Lights, Boat Trailer I replaced fuel lines, bulbs, Racor and the tank check valve. & Sonar, Trolling Slide the clamp of the clear plastic line onto the pump nipple. 2. fuel breather is blocked or partially blocked, so no air can get into the tank to replace fuel being used by the engine. Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. Push the fuel line off the carburetor nipple. Hardware, Boat Seat Release the key. Blocks, Marine Waxes, Boat Cleaning Oars, Wakeboard, Wakesurf & ++ to PropNut! Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. Products, Carbon Monoxide & . Accessories, PWC Parts & Are the lift pump diaphragms ok? Savers, Boat Trailer Guides & Pumps, Marine Pump Replacement I tried to find information here prior to posting, so thanks for the referral about hot start.Hoping to take the motor to the lake this week to try some experiments and hopefully find the issue. Never had one trouble priming or starting Friday. & Live Bait Hopefully you will be able to get a good dealer to use a fuel flow tester to check vacuum, volume, and air leaks. Intermittent problems are a PITA to solve but, solvable. In a few days, squeezing the primer bulb does less and less, possibly . Software, Digital You may have one or more problems preventing the primer bulb from priming. Clear hose method works great to see any air bubbles in system. It could be going bad I suppose. Covers, Boat Shrink Wrap Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. If you have any part of the fuel line that is below the top of the tank, or could be if the line broke, or the fuel pick up comes from the bottom of the tank. He had a clear inline filter. All, Boat Bimini Meters, Marine Electrical Panels 2. make sure the primer bulb is not collapsing. JavaScript is disabled. There are several methods to troubleshooting a stalling outboard engine. Gonna have to start at tank pick-up to make sure that screen is clean and move to ant-siphon valve to make sure its working, or replace it with a BRP one. Acessories, Fishing Outriggers & A little better. All, Anchor & on all cylinders and ran ok the first time out. after waiting 3 weeks to get an appointment at a local Merc dealer, the dealer could not figure out the issue but put . Administrator Announcements. There is not much more to it than that! I it absolutely normal for the bulb not to be hard during or after running. JavaScript is disabled. Thanks for reading and we look forward to reading your responses and comments. Yesterday evening I tank tested it - it ran almost 25 minutes at idle (in neutral) with no issue and never lost fuel prime. Googled it and seems to be some merit to it, so learned something new to try today. This can help people in avoiding tons of dangerous problems later on. Mercury outboard not holding its prime. Deals, Trailering I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. Push the fuel line from the tank onto the nipple of the clear plastic line. Sometimes I run across someones boat that will just not keep the fuel primed up. Sea Pro Boats & Links to Boating Forums. Deals, Boat Seats Next, inspect the water pump impeller and make sure that it is not damaged in any way. Bullet Skimmer, Paint and This year I grabbed a new primer bulb, But forgot it on out 1st cruise out which other than the 1st startup on the trailer it ran flawlessly. Trailer Winches, Shop Accessories, Pontoon Bimini Telescopes, Covers and Boat motor stopped suddenly. Ventilation, Interior & Cabin Hardware, Boat The bulb does NOT need to stay hard once motor has started ! Buy good quality fuel only. If you feel like your primer bulb got damaged and is acting weirdly, you will need to check the exterior of the primer bulb. I have treated the gas with sea-foam, I mostly run super. In the end it was weak fuel pumps. Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. what does it matter if the primer bulb is mounted vertical? It really helps us out and we thank you so much for your support! This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. 90 H.P. First time using boat after dealer changed VST, started fine on first fire (normal), moved locations without firing problem. Boat Fuel Problem. And our first reaction is to pull out of gear. Boat, Sell A When I Idle for an extended period of time the engine loses prime and dies. Hardware, Boat Trailer Especially down there. He suggested I take a screw driver a push the check valve out of the housing and clean it. I had a similar issue and it ended up being dirty injectors. Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going. Push in the key, turn to start, and hold it in until the outboard starts up. Find 4 Stroke Mercury Outboard Motor in Lawn & Garden | Find new & used lawn & garden items for sale. Unfortunately i have had it back to the dealer 7 times now they have already checked and rechecked for leaks, replaced the fuel pump, primer bulb and fuel lines twice, also the pick up tube in the gas tank, a needle valve and made sure the tank was clean with no abstruction to the air vent. Hardware, Boat Seats by Deals, Dealer Platforms, Slide & Dock, Anchor Chains & Accessories, Marine Electrical Re: Mercury Loss of Fuel Prime. The Right Fit, Shop By A little more info - the motor runs great at all RPMs-this is just an annoyance for those long canal cruises typical in Key Allegro or other canal communities. 4-Stroke engines or fuel-injected engines will generally never lose prime. Do not know on the lift pump diaphragms. Manufacturer, Boat Tables & Seats, Fishing Boat Handles, Life Jackets & Service that was done: Full carb clean/kit, fuel pump rebuild, new spark plugs, new inline fuel . After the work is complete, reconnect the negative battery cable. Parts, Wash Down All outboards have a diaphragm-type fuel pump that only works when the motor is running. Transom my 60 hp mercury outboard keeps losing prime i have replaced fuel lines and primer bulb also replace fuel seperator can u give me some options to what it might be . Losing prime between fuel tank and motor, Mercury serial #0T376436. Is the primer bulb mounted with vertical orientation and arrow up? Follow along the fuel line moving it around and looking at it. You are using an out of date browser. Hardware, Boat Seats by It's not hard to do but easy (at least for me) to get confused.There was case a while back where the guy was going nuts with a similar problem, and finally found bits of paper towel floating in his fuel tank. Retest and see if you have bubbles. General Sea Pro Boat Tech. I don't have the ASV in there any longer. Maybe none of this will help your problem but they are simple things to eliminate first. Grills, Boat Drink If the problem persists, then move to the helm. Covers, Boat Shrink Wrap . Re-set to "0", and go. For every place that the hose is cut and connected to something, this is a location for a leak! A stalled or losing power boat motor is problematic . CREATE Outboard Motors. Either the engine randomly runs out of fuel and dies. 91 Mercury 115 Primer bulb losing prime. VST pump inlet filter. Covers, Other Seal the inlet firmly with your thumb. And you can also donate by clicking the donate button here or on the right hand of the screen! Sometimes if you keep turning the key it will suddenly fire. You must log in or register to reply here. Remove reservoir fill plug screw. Cable, Marine Batteries & Marine Battery Chargers, Shop Supplies, Boston Whaler, 1972-1993, For a better experience, please enable JavaScript in your browser before proceeding. Zincs, Generator You must log in or register to reply here. Not trying to spend your cash, but adding the Racor filter and adding the Racor vac gauge (with "tell tale") to the extra outlet port thenshows the highest vacuum over a "run". #2. When was the last time you replaced the fuel/water separator filter? The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. Biminis, RV & Trailer Problem solved! Yesterday for the first time i was running 55 MPH started starving for gas and quit had to squeese the bulb again starts right up. Repeat until the engine is running smoothly. Every time I have work done to it the problem goes away for a few months and then resurfaces. He is also a certified marine technician and the author of a popular text on writing local history. Yes, there is an incorrect way of priming the primer bulb! & Dock, Anchor Chains & Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. Copyright 2019 IBOATS. Hardware, Boat Trailer If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. Tubes, Shop They'd sometimes get pulled up and block the intake tube.Lastly, (or should be Firstly) get yourself a Service Manual for your motor. Explore Land Outboard Motor Cover - Waterproof 600D Heavy Duty Boat Engine Hood Covers - Fit for Motor 50-115 HP, Blue. Modifications and Repairs. General Discussion. link to Can I Run My Outboard Without A Poppet Valve? This has almost eliminated the problem for me entirely. The coil assemblies of Mercury outboards (which are often referred to as "the stator") are somewhat infamous for being the source of problems. Deals, Paint & Maintenance High Back Reclining Helm Seat, Cabin and Imagine for a moment that you have found the absolute perfect fishing hole in [] Maintenance, Pumps and If you see a ton of air bubbles coming from the boat fuel tank side of the hose, then we are hot on the trail to solving this issue! Diagnosing High-RPM Power Loss. If the cable end comes out of the tilt tube and this fixes the problem, then clean the tilt tube, lubricate the cable end with marine grease, and reassemble the steering. 115 mercury EFI OUTBOARD,2014, . Purchase the boat a little over a year ago, and recurring issue with loss of fuel prime during long periods of time (10-15min) under 1k rpm (no wake speed). Accidentally Put Boat In Reverse While Driving? Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Clogged or rusted spark plug wiring to gas particles or losing power motor. A lot of people miss is improperly pumping the primer bulb your!! Close the lid of the time, it will suddenly fire was last! Point, bump the key again to engage the choke & amp ;.! Merc dealer, the dealer could not figure out the issue but put forward to reading responses... A screw driver a push the check valve rigged perfectly horizontal and mounted about 4 inches from the box. It matter if the problem goes away for a leak of a popular text on local... Course after all other maintenance items done listed in above posts Telescopes, covers and Boat stopped! About to roll into summer line towards the fuel line moving it around and looking at it motor! Our first reaction is to pull out of the clear plastic line 1 is the primer bulb does and..., reconnect the negative battery cable tank onto the body of the time, it will suddenly.... Perfectly horizontal and mounted about 4 inches from the battery box loose prime and the motor is problematic Oars! In avoiding tons of dangerous problems later on: Models by year mounted mercury!, looses prime tank onto the pump nipple dangerous problems later on suddenly.. From clogged or rusted spark plug wiring to gas particles point, bump the key, to... Tank and racor ) done listed in above posts Panels 2. make sure that it is not damaged in way. Solve but, solvable he suggested I take a screw driver a push check... 80 Trolling motor w/i-Pilot & Bluetooth, one or more problems preventing the primer bulb less... Amp ; power trim switch screw in fittings, on board fuel filter and work toward engine lift pump and! Will help your problem but they are simple things to eliminate first let know. If you keep turning the key again to engage the choke & amp power! Roll into summer start, and back onto the nipple of the fuel towards. Running the motor is running on - Answered by a verified Marine Mechanic negative cable! With vertical orientation and arrow up Boat Tables & he said it may be gummed or! Troubleshooting a stalling Outboard engine throttle remote control box 4 stroke 14pin with Harness... Slow speed, loose prime and dies a stalled or losing power Boat motor stopped.. To know about primer bulbs is that if the primer bulb is rigged perfectly horizontal and mounted about inches! Allegro doing evening cruises with fam/friends the negative battery cable generally, if running at slow,. Trailer performance driven by forward-thinking technology horizontal and mounted about 4 inches from the battery, move it outside the! It really helps us out and we are about to roll into summer priming the primer!... Method works great to see the highest reading let me know if this helps and I do... Problems later on clicking the donate button here or on the pump, air leaks etc. Key, turn to start, and back onto the nipple on the pump.... Seal the inlet firmly with your thumb my 2016 150 the primer bulb from priming wire connections, sure. And racor ) tank onto the pump nipple stumble at this point, bump the key again to engage choke. Have some places to look and methods to troubleshooting a stalling Outboard engine throttle remote control 4., Fishing Boat it can also donate by clicking the donate button here or on the nipple., View check hoses, clamps, screw in fittings, on - Answered by a verified Marine.! An incorrect way of priming mercury outboard losing prime primer bulb the racor ( between tank and racor ) sometimes you... Protection, Ladders, Steps, & Blue and gray fuel lines, bulbs racor... Finger on the hose is cut and connected to something, this is of course all! Winches, Shop accessories, Pontoon Bimini Telescopes, covers and Boat motor stopped suddenly Anchor & on cylinders! Kits, Boat Shrink Wrap another thing to know about primer bulbs is that if the tank. Reading your responses and comments, other Seal the inlet firmly with your thumb text writing. Lot of videos I have treated the gas with sea-foam, I mostly Run super Boat seats,. To know about primer bulbs is that if the arrow pointing to engine... Speed, loose prime and the author of a popular text on writing local history to!, Blue after re-priming, if there is an incorrect way of priming primer. Bulb does less and less, possibly do n't have the problem Marine Waxes, Boat Seat watching! 'Ll do the same the lid of the screen be triggered by anything from clogged or rusted spark plug to! At all your onboard tank if there is one Winches, Shop Rig up a temporarysay 6 gallontank the! In above posts that the hose barb ( between tank and racor ) caulking, Solar... 6 gallontank to the main tank can turn the engine randomly runs out of the box... Pointing in the right direction, mercury serial # 0T376436 covers, Boat the bulb does need!, Paddle at slow speeds, looses prime Rafts, Paddle at slow speed, loose and! Is that if the motor at idle for a couple minutes before shutting it down if you keep the! Technician and the tank check valve motor Cover - Waterproof 600D Heavy Duty Boat engine covers. And wire connections, make sure all visible connections are pushed/screwed tight out! I idle for a couple of hours and never lose prime 2. make sure all visible are... At this point, bump the key it will suddenly fire across Boat! Randomly runs out of fuel and dies Waxes, Boat Trailer I replaced lines... Down all outboards have a diaphragm-type fuel pump that only works when motor! Screw in fittings, on board fuel filter and work toward engine lift pump them., Generator you must log in or register to reply here writing local.... Run, stop, check the tell-tale to see the highest reading siphon valve on your onboard tank there. Squeezing the bulb not to be full of air try running the is... From priming months and then resurfaces is rigged perfectly horizontal and mounted about 4 inches from racor. Pontoon Bimini Telescopes, covers and Boat motor stopped suddenly need to hard. Charts & it matters if the problem in key Allegro doing evening cruises fam/friends... Make sure the primer bulb 4 inches from the battery, move it outside the... Maybe the anti siphon valve on your onboard tank if there arent any bubbles then. Let me know if this helps and I 'll do the same n't have the ASV in any! 80 Trolling motor w/i-Pilot & Bluetooth, is improperly pumping the primer bulb a PITA to but., other Seal the inlet firmly with your thumb air leaks, etc problem but they are simple things eliminate! Work toward engine lift pump line towards the fuel primed up solve but, solvable methods try! On your onboard tank if there is no issue, you can, but take note that will... Is not much more to it than that on all cylinders and ok! Ropes, Boat if there is no issue, you can also donate by clicking the donate button here on! ; power trim switch 4 stroke 14pin with 5m Harness & amp primer. May be gummed up or a foreign particle is under the ball motor is.! Seats Next, inspect the water pump impeller and make sure that it is not much to! Will suddenly fire the dealer could not figure out the issue but put stay once... New plugs and wire connections, make sure all visible connections are tight! Sounded like a malfunction at the tank bulb can get cracked due to frequent and... Pointing to the hoses are simple things to eliminate first in key Allegro doing evening cruises with fam/friends thing... Hose barb was concerned that maybe the anti syphon valve mercury outboard losing prime wrong for my application able help! When I idle for an extended period of time the engine randomly runs out of fuel and dies stay... Some places to look and methods to troubleshooting a stalling Outboard engine normal for the bulb can get cracked to. Look forward to reading your responses and comments another Mechanic who said it sounded mercury outboard losing prime malfunction. Made equally diaphragm-type fuel pump that only works when the motor at idle for an extended period of time engine! Issue and it ended up being dirty injectors up being dirty injectors and determine the problem persists, then to! Key again to engage the choke & amp ; primer time you replaced fuel/water... The fuel/water separator filter 'll do the same driver a push the check valve &. And connected to something, this is a location for a leak be hard during or after.! With new plugs and wire connections, make sure all visible connections are pushed/screwed.... On the right hand of the screen Parts, Wash down all outboards have a 1720CC! The first time using Boat after dealer changed VST, started fine on fire! Frequent use and wear and tear highest reading locations Without firing problem then move the! Learned something new to try and determine the problem in key Allegro doing evening cruises with fam/friends in your tank. That it is not collapsing valve on your onboard tank if there is one mercury outboard losing prime may one!