Yamaha Injectors

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ARCHSEA BUNKER

Seaman
Joined
Mar 6, 2009
Messages
50
Just Removed The 6 Injectors From Yamaha 250 Where Can I Send Them To Checked At A Fair Price, I Belive It Was Posted On Here Before, Thank You
 
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wayneo99

Petty Officer 2nd Class
Joined
Oct 14, 2005
Messages
151
Re: Yamaha Injectors

where do you live?
there is a guy in CT if you need his info LMK
 
cousinabe

cousinabe

Senior Chief Petty Officer
Joined
Nov 13, 2001
Messages
765
Re: Yamaha Injectors

I have seen posts for flagship marine in fl.
 
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EAVES

Petty Officer 3rd Class
Joined
Feb 28, 2009
Messages
75
Re: Yamaha Injectors

Precision Turbos will flow them and repair them
 
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pine island fred

Lieutenant Junior Grade
Joined
Dec 20, 2002
Messages
1,144
Re: Yamaha Injectors

Believe RODBOLT mentioned FLAGSHIP in PUNTA GORDA, FL. Also BOB at GULF COAST MARINE in EL JOBEAN, near PORT CHARLOTTE FL. said they do them. Got BOBS nbr and address if you need it. FRED
 
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loyoki

Seaman Apprentice
Joined
Mar 23, 2009
Messages
47
Re: Yamaha Injectors

Do not waste money, it is easy to clean Yamaha injectors.
They are just an electric valve.
You need a teeth brush, non agressive solvant (like methylated spirit, NOT ACETONE), 12V, compressor.
Immerse injector in the liquid, wash it with brush.
Connect it to 12V DC, you may heard the valve opening (if not it is died).
When opened, blow it with your compressor 8 bar (around 100 psi), you must see liquid stayed inside going threw out holes like a spray, insist if not.
A better way is to wash it opened (connected to 12V) in an ultrasound bath if you have one, like for eye's lens.
Now your injectors are new !
 
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rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: Yamaha Injectors

pay no attention to the last post, the yamaha injectors have filters that when clogged simply have to be replaced.
yamaha does not offer the filters and somehow the injector shops get them.
Flagship will send you a before and after flow result along with your old filters back.
 
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loyoki

Seaman Apprentice
Joined
Mar 23, 2009
Messages
47
Re: Yamaha Injectors

Hi evry body,
Why pay no attention ???
This method works, it is used in every country where a Yamaha dealer is not closed (Africa, Indian Ocean ...) or expensive (Europe).
In US you do not have our problem because Yamaha is cheap, so you can go to Yamaha and change parts, but this is not the same all around the world.
For example in Europe, prices are fixed by Yamaha and a new F115 is Euros 14.800 (= $ 20.000)
A F115 injector is Euros 250 (= $ 330)
Yamaha 1 hour of work is Euros 72 ($ 100)
So, your understand that some people need to repair themselves.
Perhaps if filter is very clogged, it will impossible to unclogged it by this method, but it is free to try it before without damaging injector.
 
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rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: Yamaha Injectors

loyoki
I understand about not only price but parts avalibility out of the US.
trust me try to find parts for a 175 sport jet mercury in lake Guri Venezuela.
I do some work in VE occasionally.
I have also watched techs rinse fuel water seperators in a 5 gallon bucket of gas simply because a new filter,if it was in the country, was over 50 dollars USD and that bucket of gas cost just under 1 dollar USD.
however if the filters clog on an OX66 motors fuel injector then not only will they run a cylinder lean thats also how the lubricating oil is injected on that engine.
here in the states most any injector shop will check the injector both physically and electronically both before and after cleaning with flow rates for 30 dollars USD or so apiece.
I am not knocking your problem of not having parts and services avalible however we do see motors blown due to clogged injector or VST filters.
it happens.
blown pistons are ALWAYS a symptom not a problem.
the labor rate to rebuild a 135 mariner 1988 model in venezuela is about 150 dollars USD.
however the guy thats gonna do it doesnt have any actual training.
they also dont know of any machine shop services to bore the block.
trust me I checked as we own one in rio chico VE.
problem a lot of times simply trying with a two stroke is they dont tolerate lean running cylinders at all. the F motors are way more tolerant but they will still burn an exhaust valve eventually.
so far Yamaha doesnt offer the screens in the injectors as a replacement part but somehow the injector shops can get them.
the injectors electrical windings are not ment for continuous duty.
to simply apply 12V between the pins may burn out the windings.
if you must attempt to clean the filters try this method.
use a compressed air sorce regulated to about 25 PSI or so.
attach the source with suitable tbing and a clamp to the Cylinder side of the injector.
dip the injector screen end(fuel inlet side) in a spary carb cleaner that has been sprayed in a container or something like Yamahas combustion chamber cleaner, with combustion chamber cleaner or mercs power tune you can soak them,.
then with air applied to the cylinder side(outlet) of the injector momentarily strike the end of one of the two jumperleads to the battery.
this will momentarily toggle the injector and blow any debris(hopefully) out of the screen and into the air.
DO NOT blow into the injector screen side as this may force debris into the actual injector rendering it usless.
I DO NOT like this method but have used it in rio chico VE.
 
A

ARCHSEA BUNKER

Seaman
Joined
Mar 6, 2009
Messages
50
Re: Yamaha Injectors

AS WE SPEAK MY INJECTORS ARE EN ROUTE FROM FLORIDA, not that expensive, will report back
 
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