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Can I Save This 2-Stroke Outboard? Will It Run?
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Sep 18, 2024
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View Video Transcript
0:00
Today I have one goal and that is to see if I can save this two-stroke and get this thing running
0:12
I do not know what is going on with it. I know that it's been sitting. I know that other people have looked at it
0:18
Obviously, as you can see, somebody has been in here doing all kinds of stuff. So what we need to do is kind of figure out what's going on and whether or not we can get this thing to work or not
0:28
that's good hanging there on the trim button so that's outstanding actually let me go
0:35
ahead and fix this real quick right now get that weight off of there there we go so let me get
0:43
this counting off here and we'll take a look at what the rest of this looks like actually this
0:47
doesn't look it doesn't look too bad let me get this counting off your swinging inspect this
0:58
Yeah, this isn't looking too bad at all. I mean, these injectors are looking real good
1:03
The air injectors, I'm not sure what the situation is with those, but they don't look too bad
1:10
This right here, I need to give this a little bit of an inspection here real quick
1:16
See like somebody's already had this. Gotta be careful not to bust the TPS here, but get that out the way in
1:30
My guess is it just needs to have the VST clean
1:45
My guess is it just needs to have the VST claim here. And it doesn't look terrible
1:57
That's not looking too bad. Doesn't smell good, that's for sure. So I think I'm just gonna go ahead and take this VST off and clean it
2:05
Before I do that, I want to pull the spark plugs, inspect those, and then also I want to do a spark test on this
2:12
Other than that, everything's looking, I don't know where the, pito hoses that's been pulled out wrapped around somewhere trim wire unplugged
2:25
plug that back in other than that everything's doesn't look too bad just looks just looks bad
2:34
sure that's unplugged and hanging but figure that out let me see if i can't
2:45
get it run. Let's do a spark test and check the fuel and air pressures
2:50
Well, just looking here at my plugs, I can tell you right now that we've got something going on with number
3:04
wait a minute, one, two, three, four, number four, so number four cylinder is probably not sparking, it's just whitewashing. This plug is obviously seem
3:15
better days and could be changed but I might use it just to run it but this side's all
3:21
looking pretty good everything's looking pretty good I don't see any issues here but this top here number one that thing is completely fouled out and this
3:29
is completely clean and this one's pretty fouled out so I don't know maybe
3:35
pressure related or injector related on this side but definitely gonna check the
3:41
spark and put some new plugs in it all right before doing the spark test you
3:45
always want to disconnect your fuel pumps that way you're not building fuel pressure also you can
3:49
take the fuse out but looking at this fuse this thing has been getting hot so it might end up
3:56
needing a fuel pump as well if you notice the salt buildup on this fuse it could just be
4:01
the resistance on that salt buildup and the contact it was getting right here that you know obviously
4:07
you can see that thing's been getting hot it just hasn't popped but uh it's potentially got a
4:12
fuel pump in its future i'm pretty sure that you're sure this is the fuel pump spot. I'm not 100% but I'm but I'm pretty sure it is. I don't
4:24
We'll see if it is. If I don't have any spark then I'm it might be one of these but I'm
4:28
almost 100% that's fuel but we'll we're about to find out. Looks like our battery is pretty much dead. So it's unfortunate but I saw all three these
4:43
I did not see if all three of these sparked. So let me see if I can't put a jump back on there and get this thing to turn over more
4:49
Well, this does not look too hot in here. Yeah, I need to clean this because this battery is... I don't know if the battery's good or not, but obviously all that's
5:03
I mean, I don't even know why that's on there. It's broken off. That's broken off. That's there. This is here. This is our engine
5:13
It's loose, so yeah, let me load test this battery and then check these connections
5:21
Yeah drop them down to 8 this thing this battery cooked so I got to put something else in here to get this thing running
5:55
Alright, so you notice I got spark here, here and here, but I don't on this one
6:00
So my number one is not sparking, but this is something that you're going to find pretty interesting
6:06
If you look back here, watch this. I really don't even know if you can see that
6:19
Let me get the other camera because it's arcing back here. So we've got an issue
6:32
I have no idea why that's doing that and that's going to be interesting to try and figure out
6:37
All right, so I figured it out. It's this boot here that's leaking and it's shooting over to this hose
6:43
and it's using this hose to run all the way down here and then it uses this to jump across
6:47
to get into the block. So we need to replace a wire
6:51
here which also this could be i don't know with this coil driver um this one here they they do
7:01
different ones so i don't know if this one does one and two if this does one and four if this
7:06
does one and six or one and five like i don't know if this is this driver potentially going to be a
7:11
problem but um definitely need a new spark plug wire right here because that's definitely leaking
7:16
and other than that i've got sparking all my cylinders so potentially uh
7:21
depending on once I put you know all six of them together hopefully I could put a new
7:28
wire on here and not have that problem I wonder if I pull this over off of the
7:33
thing and then retie this test see if it fixes that okay that's all it was so
7:44
replace this wire puts some new plugs in there and then I might as well pull this
7:48
VST maybe somebody already cleaned it I'm not sure but we'll find out when we
7:53
get opened it up and see it because again this right here might need a fuel
7:59
pump and the fuel pump might have high resistance so actually let me check that real quick
8:05
Dude tell me about it man tell me about it. Well we did not have it
8:18
We did not have any wires, so what I did is just went ahead and took some good old electrical tape, wrapped this thing up, and then if I run the spark test
8:30
We got our spark back. We did not have any spark down here, so that's going to work for now until we get some new wires
8:37
But at least now I'll be able to put some new plugs in there. I got the plugs there, put a little bit of grease or something on there
8:42
I'm going to put some PV blaster inside the cylinders just kind of looped this thing up a little
8:48
little bit. That's what I've been lubing it with. So we will put the plugs in there, put the
8:54
wires back on, and then I will probably go ahead and... Look at this. I probably go ahead and
9:02
pull this VST just to open it up and see what it looks like. I think somebody's obviously
9:07
been in here. They might have cleaned it, but we'll go ahead and pull it off there and inspect it
9:13
and make sure that it's clean really, really well. And then we put it back on here and
9:18
see if this engine will start eventually this is going to be a problem so these ground straps are going to have to get redone because that is definitely an issue there but other than that looking pretty good
9:48
Why is it pressure now? Two. Okay, here is our
10:24
got that off pretty easy there's just water line back here to the fuel pump water line to the side
10:28
then the um fuel line that goes up to the pump water in fuel sensor this line here this line here and
10:39
then this line here so with all of those this is just a vent line right here this is the fuel line
10:45
going to the fuel rail and then this is a return line coming from the rail back to the vst so
10:50
with all those off you got these three brackets here You just kind of leave those on there and you can slide it on there and then the one that holds it on is up here
10:58
Take that one off. So now let's go open this thing up and see what it looks like So you want to have a lot
11:05
So you can try and drain it from here So open that up
11:21
Put all this in a jar before we open this VST up because as soon as we pop this top off
11:26
any fuel that's in here should just come pouring out. So I'm going to put that up there and pop this top and see what's in here
11:40
Okay, so somebody's been in here and put some heat shrinks there, not that there's anything wrong with that, that's just interesting
12:04
This pump, that gasket there looks pretty smashed and cut. smashed and cut. I'm gonna go ahead and change that out because that's your high pressure pump
12:14
Also I want to test this pump and then I'm gonna pull that pump down there. There's screw there
12:19
Screw there. I'm gonna pull those two screws. Pull this pump out so we can investigate that. And then also
12:24
you see all this stuff down in there. I don't know if that's what's with that, but let me pull this out of here and take a look
12:33
See what I mean, it's actually pretty clean. So somebody's been in and cleaned it, which is good. So
12:39
Pop this open and see, test these pumps. Also this right here
12:48
Kind of clean that, that looks pretty rough. So something's obviously clogged up this drain here at the bottom because none of that stuff is coming out
13:08
even though I got this all the way. I bet if I pull this needle all the way, it'll come pouring out. So pull that out, get that all the way out
13:15
This was obviously sitting with a bunch of junk in there for a long time
13:19
Look at all that pitting. So this has been, I don't know
13:24
I don't know somebody clean this or not, but that is, that is major pitting
13:32
Must have been a lot of water sitting in there for a while. You can see a lot of sludge and debris
13:38
debris down in the bottom of this so I mean that's some thick stuff let me go
13:43
ahead and get some contact cleaner and spray this out because even when I
13:48
cut it here look at all this on that hose that's a lot of junk good get a
13:55
go ahead and get a some contact cleaner and spray that out clean it out
14:02
okay so this is the low pressure pump when I open it out I got 0.5 oms so
14:07
pretty sure that's going to be all right. I'm going to go ahead and stick this back in here and send it. Now let me check the high pressure pump
14:14
And it looks like we have 0.4 here on the high pressure pump. So let me go ahead and clean the tips on all these where the wires go and then we will put these back in here and send it like this
14:38
Okay, so now this is back together
14:48
The only thing I really had to change was this that went on top of the high pressure pump
14:52
So I'm going to go ahead and also change this, but I'm going to put this on the engine and then
14:56
we'll see if this thing will run. Okay, we're looking beautiful now. I went ahead and hooked all this up. Got an Oedicker clamp right here, crimping that line on
15:32
The rest of these like waterline here, waterline in the back. Fuel pump hooked up and I got external
15:38
fuel down here so I'm going to pump some good clean fuel into my VST I need to put
15:43
this in this is the old one I mean this thing yeah looking pretty rough so let me
15:48
put a new one in there just to do it and then yeah I'll be able to put my put my two
15:56
put one right here for the pressures so I'm gonna check the fuel and air right here
16:02
put my gauges on there and we will start and run this and see what it looks like
16:06
Oh, and I went ahead and got rid of this thing because this has no place on a boat
16:10
So, yeah, that's going away. Well looks like everything seems to be doing pretty good I got an air leak there That not supposed to be but we had 80 PSI of air
17:00
We had 90 PSI of fuel, which is what we want because we want the fuel to be able to shoot
17:05
through the air. But we got a misfire on number two. Looks like these injectors are pretty much new, so air injectors are most likely our problem
17:15
Our fuel system on this side is working good, our air compressor is working good, our pressure regulators are both working good, and the tracker valve is also working because we got the 10% difference between the two
17:28
So it looks like the air injectors need to be investigated, but other than that, I think this engine is going to be good to go
17:45
Looks like we have found our problem
17:57
Yeah, look at them air injectors all rusty and clapped out looking
18:02
So let me wiggle these things out. I'll pull them out and then we'll be able to kind of check them to see if they'll flow
18:07
But pretty much these are going to need to be rebuilt and then that's going to be it for this engine
18:15
So here are our air injectors and this one honestly it does look like it is getting a little bit wet
18:24
So even though we have spark on that cylinder I'm not sure if maybe there is something else going on here but
18:33
really I would expect that to be a little bit drier than that because this is number four, six four two
18:39
So let me go ahead and see if I can't get something to flow through this
18:43
I mean, the thing looks pretty trash, but let me see if it just dribbles out or what the deal is
18:48
Let me put power to this. I'm going to try and squirt contact cleaner through it
19:10
And it looks like this thing is clogged. is going to need to be replaced. That's the issue. This is a nice little injector test
19:18
This thing's pretty sick. Hook it up to a battery and you've got these like little things
19:24
right here that go right on a can of contact cleaner degraiser slides right onto the back
19:30
of the injector and then you can kind of push against it and flow through it. So this is
19:36
pretty sick. Now as far as the injector that goes though this is, wait that's my good one. This is the one. This is the one
19:43
Yep, this biscuit is stuck and we can try and open it up or put a new one on there, but yep, that's what's wrong with the engine
19:51
Bam! Okay, we got our injector put in there, and now I've got all my hoses on, all the hose zip ties, all the injectors looking good
20:13
turn the water on we will fire this thing up and see what it sounds like now with the new injector
20:17
it looks like we got something looks like we got something going on with our
20:42
tracker valve here because as you can see it was leaking a little bit underneath so
20:46
on end I crack these nuts here let all the air fuel pressure out and then I'm going to
20:50
I crack these bolts here so I'm pull this off and pull this off here and take a look
20:55
and see what it looks like it looks like it's like we got a bunch of corrosion and
21:06
stuff in here on the tracker valve doesn't look the hottest kind of
21:11
pull it out oh yeah look at that bunch of gunk in there so definitely got I don't
21:23
know if they're running ethanol or what all that slime is so I'm gonna try and
21:27
blast that out and then yeah the same junk is probably over here in the pressure
21:34
regulator and the air pressure regulator so those might need to get pulled and
21:39
clean too I'm gonna clean this one out and see it does might even be able worth just cleaning this out and then with a bunch of good fuel to just
21:46
go out and run this thing hard and might even clean those out with some quick clean
21:55
Yeah that is almost like a oyster on there. the
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