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My boat sat for about 24 months , and I didn't use my boat last year due to illness, its a 2001 hpdi 150 and had a lot of white smoke and a grey greasy sludge come out on the exhaust by the prop hub...

well I took out the little electric oil pump since it stopped working on the remote oil tank. when I cleaned the inside the brushes fell out so I put it back together, the pump runs backwards. ...

has anyone ever rebuilt the Yamaha trim relay ( the rectangular box with 8 lugs, 63p-81950-00) . I've rebuilt/cleaned merc versions but was wondering if anyone has prior experience doing it since a...

thanks for the input toledo, it seems when i press the buttons nothing occurs whatsoever. thats why i am wondering if the button needs to be cleaned under the rubber cover.

ok ,,,anyone have any input?

my set and mode buttons on my yamaha 2001 150 hpdi round tach gauge don't work? every thing else works when i turn it on i see everything indicate properly before i start the motor Including the...

what year and model engine is the GM505 paint you used i am looking to do a 2001 hpdi. was it a good match?

no i left the pump on the motor and just removed the cover plate where the baskets/filters are located.

http://www.thehulltruth.com/bo....html

just remove the obvious bolts and wiggle it out . the rings keep it stuck on. beware if u break one they are expensive unless you find an alternative ring. i had to buy a new one. 25 bucks for one. ...

yea its Fixed i finally got a chance to get it all back together and the difference in performance is incredible . if you are having similar ethanol /bad gas issues and have been unable to repair and...

i think the oring was just old/getting brittle and even though i lubed it, when i installed it it ripped. i 'm sure i will find a replacement. i was also unable to remove the intake injection...

thanks to all who've added their 2 cents.

i was able to separate it all.there was some dirt i'm not sure if the screen was clogged but was able to look at it and it did not look bad so i didn't...

thanks
i have seen that page and the 150/200 is set up differrent than the 250/300 hp hpdi motors. . those covers on that hp pump look like they just come right off when you unbolt it.

but...

thanks pacer i will take a look at and get back to you in a few days, motor is down at the shore, keep an eye out for the update.

i did take off all those bolts as well as the Hex bolts holding...

thanks for the reply

i am talking about the belt driven high pressure pump, not the vst.

i am trying to remove the cover , i was able to remove the bolts on the side of the cover and also the...

has anybody removed the cover assembly themselves from the high pressure pump , i am looking to see if the screens that are in there might be clogged from water/ethanol issues.

thanks


i am...

can someone describe what airflow restriction there is to a new 10 micron filter. in other words when i remove my (used) filter to check to see if its clogged, i can blow thru so i am guessing its...

just thought i'd see if any one has had enuf with paying the rediculous price for this filter. u know the one after the vst. how about the filter clamps? any safe and good solutions. Lets hear...