F60 - Solenoid Valve Hose Issue

[JPritch]

I have an '06 Yammy F60 TLR.

Motor has recently had a fuel system overhaul and was all systems go on computer diagnostics, leak down, and compression tests. Motor started off running fine and smooth, but wouldn't develop power over 4000rpm. Then began to shake badly and make awful regurgitating motions. Took a look under the cover and saw that the flywheel ate up an improperly routed hose. Left a fine black dust over everything under the cowling. Had to limp back to the dock. Found a smooth operating zone at 2500rpm, anything above or below would shake you to death.

The hose in question is connected to the Solenoid Valve and routed to the throttle body, to my understanding it routes vapor gas. Could the destruction of this hose cause the problems above? And would a simple replacement of the hose be sufficient, or are there other items that need to be checked? I'm afraid the black dust got sucked into something it shouldn't have. Also, I noticed that the backend of a screw hole on the throttle body assembly that's a part of the intake manifold appears to have blown out. Not sure if it had been like that for a while or could possibly be a result of this issue, and whether that is a cause for concern.

Thanks guys for all your help!

 

[99yam40]

Re: F60 - Solenoid Valve Hose Issue

Pictures would help us to see exactly what you are talking about.

If it is the one from the prime start system pump to the crankcase it will lean out that cylinder and cause a miss.
If it is the one from the prime start system to the intake manifold it will cause all the cylinders to run lean.
But if I were you I would take it back to whoever did the work and have them take care of it and tell them that it is still not running properly

 

[JPritch]

Re: F60 - Solenoid Valve Hose Issue

I have actual pics, but they're at home and I'm at work.

I hope this parts diagram drawing will help....
The hose runs from the solenoid valve on the top of the motor and connects to the throttle body.

 

[99yam40]

Re: F60 - Solenoid Valve Hose Issue

I should have known it was not a carb unit from the F60. I really have no idea what this hose does, sorry.
hopefully someone else will give you the info you are looking for

 

[JPritch]

Re: F60 - Solenoid Valve Hose Issue

Thanks for trying 99Yam40. I ordered a replacement hose and will swap that out, then go from there.

 

[rodbolt]

Re: F60 - Solenoid Valve Hose Issue

best I recall its part of the evaporative control system.
should not affect the engine once runing.
however.
myself I would take it back and make the last person make it right.
on the yamaha dealer locator web site it shows dealerships in you area that employ a master tech.
however, this year a master tech certificate is given out in crackerjack boxes.
open book test with no time limit.
my little sister could be a master tech now.

 

[stylesabu]

Re: F60 - Solenoid Valve Hose Issue

well at least we know they can read a manual

 

[lifeisfun]

Re: F60 - Solenoid Valve Hose Issue

best I recall its part of the evaporative control system.
should not affect the engine once runing.
however.
myself I would take it back and make the last person make it right.
on the yamaha dealer locator web site it shows dealerships in you area that employ a master tech.
however, this year a master tech certificate is given out in crackerjack boxes.
open book test with no time limit.
my little sister could be a master tech now.

Rodbolt - PLEASE tell me it's different up here in Canada

 

[rodbolt]

Re: F60 - Solenoid Valve Hose Issue

dunno about canada or if they have a tech training program there.
my Masters exam was 2 hour time limit and 20 questions in 5 sections and you had to make an 80 or above and miss no more than 5 questions in any section.
now I think its gonna be 3 hour time,open book and you can miss up to 6 in any section.
open book tests the ability to thumb through a manual not that you have a general knowledge of the product.
just my opinion.
but getting back to that F60, best I recall,without actually looking at it, that solinoid controls the evaporative charcoal canister and allows vapors to be drawn to and from the cannister at various engine stops and starts.
I am more concerned about that apperant missing screw,can ya post a picture of it?
while the laptop is ok all it can do is display the information the sensors send it,very rare to actually have a failure.
fuel systems on the other hand thend to fail.
mostly due to the introduction of debris into the VST and injector rail.