Cleaning a 2016 15HP Suzuki High Pressure Fuel Pump

[@keegan707]

You should mention that the high pressure fuel pump is considered by suzuki to be a "non serviceable" part. If anything inside is broken the only thing you can do is get a whole new pump.

[@thecollegequarterdeck]

You are correct Keegan! Thank you!

[@caymanbiz4114]

@ quarterback and keegan Which motors in your fleets do you consider the most reliable?

[@Drvictor58]

Hi - thanks for your video. Helped me a lot ! My DF15 did not start but the Suzuki diagnosis SW did not show any error codes and the actuation of the hp fuel pump produced nice fuel flow at the injector rail. But: I could not remove the „sleeve“ inside the magnetic stator. It was rusted in and the rust squeezed it so that the magnetic rotor was grinding - obviously rpm controlled and at idle/start the pump stopped. Best would be to grind off the touch points and assemble it again. I broke off the neck at the sleeve and crashed the sleeve (without the bottom with the thrust bearing). Some glue to seal it. Not sure what the fuel does to the magnetic winding.

[@thecollegequarterdeck]

@@Drvictor58 Sounds like it may be time to buy a new one 🤪

[@tzpinball]

My 20 hp high pressure pump was totally seized up after three years of no use. The little pistons couldnt move at all and it took some pressure to remove them. After cleaning everything is runs beautiful again! Thanks for the well explained rebuild! Regards from the Netherlands

[@thecollegequarterdeck]

Happy that we were able to help! ☺️

[@chipbyrne]

Nice explanation / demo. Thank you!

[@thecollegequarterdeck]

Anytime!

[@georgej7077]

I have the 20 hp version of that engine, really great info on the hp pump. And a really big thanks for not saying, "go ahead " at the beginning of every step like so many KZbinrs do. Cheers!

[@thecollegequarterdeck]

Haha you're welcome! Have a good one!

[@fredjackson6305]

thank you this was a great reference! I will suggest people be extra careful when taking the electric motor out of the housing as the springs shot everywhere. Luckily I found all three. I hope you folks make more videos on these EFI Suzuki 9.9 - 20hp motors. I am having a hard time finding much info on them.

[@thecollegequarterdeck]

Yeah, we've almost lost a couple ourselves .-.

[@kungfooo]

Serviced mine yesterday after it was totally seized up because of a few grains of sand in the electric motor part (which is not water or sandproof). Thanks for posting this video.

[@thecollegequarterdeck]

Glad we could help :D

[@donc2334]

Very informative! Do you or anyone else here know the approximate fuel pressure for a DF9.9-Df20 EFI? I want to install a fuel pressure gauge into the fuel line and wonder what guage range I should get...thanks!

[@thecollegequarterdeck]

I do not at the moment, sorry!

[@tonyfreund6769]

Well I have a 20hp model. Same make and year. Im gonna try this before replacing the pump. Thanks for the video

[@thecollegequarterdeck]

We hope it helps! :)

[@tonyfreund6769]

I'd like to thank you guys for this video. I had succes cleaning out the fuel pump and have my 20hp running tip top. Thanks again

[@thecollegequarterdeck]

Awesome! I'm glad we were able to help!

[@robertgarvey5872]

I know it has been a while since this post…but where should the nozzle point on the part with the white tip that everything is assembled around? Directly towards the center? I also removed and cleaned my injectors based on your video! Very helpful! Thanks

[@thecollegequarterdeck]

@@robertgarvey5872 Ahhh, i dont have the outboard on hand and do not recall at the moment, sorry!

[@apackwestbound5946]

Thank you! You may want to expand your presentation by explaining how the high pressure pump works, the purpose of each of the fuel lines and exactly how and to what pressure that that electrical "pump" boosts the fuel pressure. Would there have been any way to bench test that fuel pump before and after the cleaning to determine whether the cleaning was effective? I expect the school to have access to the maintenance manual it would be nice to have you talk/show the manual in your work.

[@thecollegequarterdeck]

Definitely something we should consider doing. I appreciate the idea!

[@CoachEJKIII]

When rebuilding this pump you may need to replace the 2 o-rings. One is 32mm x 2.0mm between the cap and body, the other is 5.5mm x 1.5mm under that part with the little white tip. Use Buna-N 70 durometer rings. I got mine from Harfington's. This pump has gasoline and an electric motor. It is "ignition protected" since failure may allow gas into the motor chamber and consequent fire with potential explosion. Hence, Suzuki says it's non-serviceable. If you replace the O-ring make sure it is absolutely set correctly. I am not responsible for any damage or injury or death, that your rebuild might 0:26 .

[@thecollegequarterdeck]

Thanks for the insight!

[@CompleteBaloney]

Good video. Anyone know if the motor pin inside the fuel pump, the magnetized section, should be offset?

[@thecollegequarterdeck]

Its been a hot sec since I made this video and don't have the outboard to check anymore.

[@ScottM1969]

Great videos. Any chance you could do a demonstration on how to put back together a fuel vapor separator for the same engine. I stupidly dismantled mine and am not sure how to put the pin and spring back correctly. Any help is greatly appreciated.

[@thecollegequarterdeck]

@@ScottM1969 Ahh I would if I could, but I longer work with these outboards at my old job, Sorry!

[@CrabberPA]

Does the park with “the white tip that faces upwards” get pressed in… or does it just stir in there loose? Mine seems loose and I’m having a hard time getting everything back together flush. Seems like I need to force that part in… but don’t want to break it. Thx!

[@CrabberPA]

Ahhh, I found there was an o-ring caught underneath that I had to put on the bottom of the part to seat it correctly 😃

[@CrabberPA]

By the way, this video was super helpful. My pistons were seized up and you saved me a trip to the dealer for service!!!

[@thecollegequarterdeck]

Glad you found this video helpful!

[@przemysaw124]

Hello I have a brand new Suzuki DF15 AL, what procedures do you recommend to get it in properly because everyone says something different??? Can you advise me how to reach it properly? Hello I mean how to swim for the first 20 hours?

[@thecollegequarterdeck]

Hello! I know this isn't super helpful, but the owners manual should have a detail list of steps for what you should do for breaking in the engine.

[@przemysaw124]

@@thecollegequarterdeck I drained the oil from the Suzuki DF15 after about 10 hours. I left it in the bottle and after a few days a white precipitate formed from the oil at the bottom, a lot of it. What could it be and what cause could it be? New engine, only 10 hours old I also see that at high speeds, white smoke comes out of this nozzle near the cooling water nozzle

[@gg9960]

nice job....helping me out with mine

[@thecollegequarterdeck]

Glad we could help!

[@chadfiegehen9849]

great tutorials. i am going to attempt the same. Sorry if someone asked already, How do you test the high pressure fuel pump?

[@thecollegequarterdeck]

We just put it back on and see how it goes, could be another part thats the issue. Its all about troubleshooting

[@nurikongur]

Thank you

[@thecollegequarterdeck]

You're welcome!

[@LeandroTrancosoPonciano]

Ótimo vídeo

[@thecollegequarterdeck]

Thank you! We appreciate it!

[@BillWells-o3q]

I have a 2019 15 hp Suzuki. Running great yesterday for about 20 minutes and then just died and will not re-start. I watched your videos and then looked at my engine. Did they change the engine such that it lowers the injector and fuel pump bolts below the upper cowling level? Is there a way to get to the bolts?

[@thecollegequarterdeck]

I am unsure since I have not worked with the 2019 model. The nice part about the 2016-2017 model was that the lower cowling comes off with ease to access those lower components if needed.

[@BillWells-o3q]

@@thecollegequarterdeck I realized that after I posted the comment and was successful in removing the lower cowling and getting to the components. We removed the hose before the pump and we are getting gas to that point. So disassembled and cleaned the components in the pump. It is a manual start, so with one person holding the hose from the injector side of the pump in a bucket and the other pulling the started several times we are not getting flow. We tried checking voltage on all combinations of the plug and one of the combinations causes the meter to zero out(checking DC voltage). Would this indicate the pump is bad? Thanks in advance. We are in the Bahamas, so trying to find someone qualified and getting access to parts will be interesting! Bill Wells

[@fishofthegitch4099]

I know this is an old video. I have a 2017 15 horse. Hasn’t had much use. It runs great until you open it up. At that point, it cuts out and the red engine light pops on and off. Is that what yours was doing to prompt you to clean the pump?

[@thecollegequarterdeck]

Usually, we cleaned the pump when the outboard would stall out while trying to increase the RPM. For the red lights and what they mean, I recommend looking at the owner's manual for what they mean.

[@bosto1215]

An o-ring fell out of mine and I can’t find where it goes any help?

[@thecollegequarterdeck]

Depends on what size it is :)

[@JG7Racer]

What was happening before the cleaning??

[@thecollegequarterdeck]

With the outboard?

[@arioseno5789]

Greetings from Indonesia Sea Scout 🤚

[@thecollegequarterdeck]

Well hello there!

[@CUBICHI1985]

Did you guys also replace the spark plugs?

[@thecollegequarterdeck]

We checked them and cleaned them but didn't replace them at that time :)

[@saugerriver5769]

any suggestions on a 2011 susuki df50 atl water in the oil paid 300 bucks at my nearest susuki dealer they couldn’t figure out why ! Now it idle fines but will not go over 3000 rpms !

[@thecollegequarterdeck]

I am not quite sure, in theory the Suzuki dealer is more qualified than us in this situation ¯\_(ツ)_/¯

[@nathanbruneau1822]

your last video you cleaned every aspect of the fuel system, without the motor running properly. are you saying that smidgen of gunk was preventing motor operation? that does seem finicky

[@thecollegequarterdeck]

It can happen. We often will replace low and high pressure fuel pump if you have dirty injectors.

[@CUBICHI1985]

I've seen a lot issues with these Suzuki outboards.. wanted to get one (an EFI 9.9 or 20), but now I'm not so sure.. seems they're very finicky and riddled with fuel related issues..

[@keegan707]

They are not difficult riddles to overcome. Keep your filters serviced and keep water out of your fuel. Winterize properly and you should be okay. They are good motors but put a loom on your cables so the steering rod doesn't chew up the main wiring loom plug.

[@CUBICHI1985]

@@keegan707 thanks for the insight Keegan, but if I'm being completely honest, I'm not certain I'm following you. What cable loom?

[@keegan707]

@@CUBICHI1985 oh goodness I completely missed your reply. The main wiring loom that leaves the motor and goes to the control box and gauges has a square connector on it. It is just the right length to get drug over the steering rod when you turn the motor. Over time it can break wires in the loom. The whole problem would have been solved if they had just run the plug inside the cowl rather than dangling around outside.

[@thecollegequarterdeck]

.

[@sulfeekarali3346]

I need your help regarding troubleshooting of my Suzuki 30hp 4strok OBM

[@thecollegequarterdeck]

I am a bit out of touch since it has been a while from when I last worked on outboards, but fire away.

[@jaynwprg2941]

My friend has a Suzuki add-50 it surges at 2900 rpm what can be the problem?

[@thecollegequarterdeck]

Id recommend talking to your closest dealer and seeing if they can take a closer look.

[@sea_knot]

DF20 the best engine in the world. I have one!

[@thecollegequarterdeck]

Lots of work, but with care, they're a great outboard 😌

[@sea_knot]

@@thecollegequarterdeck... like with any other outboartd you should make a lot of attention to the fuel. sometimes I put some 2t oil in tank when im not sure about quality of fuel, to prevent any damage of HP pump. but a very small amount.

[@SvMobyduck]

You saved my neck thanks guys.

[@thecollegequarterdeck]

Happy we could help'

[@golfish8589]

HELP... I took my df25a high pressure fuel pump totally apart. There is a metal coned shaped spring/spacer under the thick metal disc at the bottom of the pump. You did not take this out. I tried to take the thick metal disc out by gave up. I was then trying to clean the filter in the pump outlet. I sprayed carb cleaner in the outlet then sprayed compressed air in the outlet. That is when the remaining bottom contents in the bottom of the pump that was not removed , fell into my palm. There was a thick metal disc in the base of the pump and bellow it was a coil spring, an type of needle filter, and a short, wide cone shape spacer. Does this cone have its narrow end facing toward the plastic base of the pump or does it face up and press against the bottom of the metal disc? This metal disc also had an o-ring around it. The o-ring seems to have increased its inside diameter due to absorbing fuel. And is making it impossible to re-install

[@thecollegequarterdeck]

If you're having issues putting it back together, the safer bet is to buy a new high pressure fuel pump. It's been a while since Ive taken on apart and no longer have a Suzuki to take apart to provide more assistance. Im sorry because I am sure this is inconvenient but at least the part is replaceable :)

[@enriquemartinezzuniga1665]

Me gustó i kiero aprender

[@thecollegequarterdeck]

Este trabajo es bien :)

[@presiosadayanarabendles2379]

La traducción sería excelente

[@thecollegequarterdeck]

Si, en un bueno idea.

[@presiosadayanarabendles2379]

Para entender mejor

[@thecollegequarterdeck]

Si problemente, necesito practicar mi español. 😅

[@bosto1215]

After I did this, I can’t get mine started

[@thecollegequarterdeck]

Its a risky process, if the valves and pump is not put back together correctly, i recommend buying a new one all together.

[@presiosadayanarabendles2379]

En español

[@thecollegequarterdeck]

.

[@davidbailey681]

Just saved my a$$ when I bit off more than I could chew by taking everything apart first…and…well you can guess how that turned out.

[@thecollegequarterdeck]

Thats why we make the videos! 🥳

[@KrishnamurthyS-v7j]

Iwantbeltchageing15hp

[@thecollegequarterdeck]

Sorryidonthavethisoutboardanymore