E60TLEDR 60 HP 2 Stroke Idle and die

[rowerowe101]

Can a leaking primer solenoid cause the engine to die at idle? It starss and runs for about 10 seconds then cuts off.
I've replaced everything from fuel tank to carbs. Very frustrated about to sell boat.

 

[racerone]

What position is the red lever in ?-----Yes if the primer is leaking / partially open you will have problems at idle.-----But what other trouble shooting / inspection has been done on this motor , if any at all ??

 

[rowerowe101]

What position is the red lever in ?-----Yes if the primer is leaking / partially open you will have problems at idle.-----But what other trouble shooting / inspection has been done on this motor , if any at all ??

There has been extensive trouble shooting. I bought the boat for cheap with the thought I would be able to figure out the issue. The guy before me suspected the fuel pump, which isn't the case. I've replaced the primer bulb, fuel lines, filters, pump, tank, because it was suspected the vent was causing the inability to reach full power. I got it from barely running at all to reach about 50% potential. I've Ultrasonic cleaned the carbuerators, adjusted float bowls, adjusted idle screws and nothing seems to work... the boat will run when i'm at clutch ahead but it dies when idling... There has always been a slight leak from the primer solenoid but I figured it wasn't an issue because the primer valve was in the run position (parallel with body).

 

[racerone]

Flywheel key checked ?----Compression test results should be posted !----Sorry I do not know what " extensive trouble shooting " means at all.

 

[rowerowe101]

Flywheel key checked ?----Compression test results should be posted !----Sorry I do not know what " extensive trouble shooting " means at all.

I have not checked the flywheel key, will look into it... this has to do with piston timing right?

I took it to a shop and they tested compression, said compression was all in range, i've spark tested it on the engine head and there is spark on all 3 plugs.

For the fuel trouble shooting, i've ensured no restrictions in the fuel lines, there are no leaks aside from the solenoid and fuel is getting to the carbuerators fine.

A few notes however- The shop I took it to mis diagnosed and also put on the wrong pump for the engine model, so I'm not considering the compression check is legit and I'm going to the store to get a compression gauge today.

Also- I know 2strokes emit alot of exhaust but there seems to be quite a bit of exhaust smoke lately.. I might be paranoid but maybe not.. it's also white so this could be indication of blown head gasket?

Hopefully this paints a better picture, Thank you.

 

[juno pierrat]

would assume your talking about a fuel pump, VRO , wrong how?

 

[rowerowe101]

would assume your talking about a fuel pump, VRO , wrong how?

The VRO was replaced, and fuel was premixed with a standard pump.
They installed the wrong HP pump on the motor.
I guess thats what I get for taking it to a shop in arizona.

 

[Tim Frank]

How did you check spark?
If you simply grounded the plugs on the block, you have not checked anything.

Spark on that motor needs to jump at least a 3/8" gap on an open-air tester.

 

[oldboat1]

There has always been a slight leak from the primer solenoid but I figured it wasn't an issue because the primer valve was in the run position (parallel with body).

think that is probably the issue. Repair or replace the solenoid.

 

[rowerowe101]

It was the IAC valve.

 

[racerone]

Where is the IAC valve on this motor ?----Part # of this valve ?

 

[Tim Frank]

IAC valve?
That is usually found on EFI engines, not carburetted 2-strokes.

 

[rowerowe101]

I take that back, I had assumed what I was adjusting was the IAC valve, but it was not. The idle issue went away but it's now back.

My seloc manual said IAC valve but I think you guys are right, I dont think this 60 hp carbuerated motor has it.

Anyways, the issue is back. It runs like a dream at full throttle and any throttle other than idle..

 

[racerone]

What are your compression values now ?----Very important to post accurate information on your motor !

 

[rowerowe101]

What are your compression values now ?----Very important to post accurate information on your motor !

compression on top cylinder-135 , middle- 130, bottom- 125

 

[Tim Frank]

How did you check spark?
If you simply grounded the plugs on the block, you have not checked anything.

Spark on that motor needs to jump at least a 3/8" gap on an open-air tester.

???

 

[rowerowe101]

???

Shop I took it to said spark is good, and I figured a motor that runs fine at full throttle wouldnt be a spark issue. I may check spark again but I'm confident its air/fuel issue.

 

[Tim Frank]

In post #5 you said:

i've spark tested it on the engine head and there is spark on all 3 plugs.

You may understand the confusion.

So a shop did it. The same shop you said

The shop I took it to mis diagnosed and also put on the wrong pump for the engine model, so I'm not considering the compression check is legit and I'm going to the store to get a compression gauge today.

?
You might want to do that spark test yourself as well. Simple test.

 

[Tim Frank]

When you cleaned the carbs did you remove and clean behind the welch plugs?

 

[rowerowe101]

When you cleaned the carbs did you remove and clean behind the welch plugs?

Haven't heard of a welch plug. I cleaned out every removable part and soaked so any orficies were reached by ultrasonic. I did not drill out anything if that's what you mean.