pwmullins
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E-42 '89 Yanmar 4JH-HTE ENGINE FUEL INJECTOR PIPES PROBLEMI recently discovered I had a fuel leak coming from the injector pipes (4) on the top of the engine. After the boatyard informed me that there were no replacement parts anywhere in the world, I started looking on my own.
It seems that Yanmar changed the numbering on the original parts and are now making new pipes for replacement and no one could find the correct part no. until a bright young lady with Torresen Marine, a large sailboat dealer and Yanmar distributor found them.
If anyone is having a problem with the replacement injector pipes, here are the part numbers.
There are 4 ea. pipes and you must order all 4 and install them together, that's why they changed part numbers:
Yanmar 129470-59811, 59821,59831,59841
There are a few bolts and nuts you may have to buy. The entire Fuel Injecton lines are show on Yanmar drawing OCR10-G15005, Fig. 41
My engine is 19 yrs old, 1989 vintage, and corrosion took over. Also, a master distributor, Mack Boring , has a fellow that is very good at problem solving. His name is Bob Schoer and phone number is 866/526-9717. He has been very helpful in solving a couple of Yanmar problems.
S/V KATASH
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ssteakley
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Mr. Mullins,
thank you very much for sharing your solution...I do not need it now but could in the future so I will print this one out & put it in the Log,
thanks
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