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We are not getting enough boost pressure or performance on
Hi Steve, We are not getting enough boost pressure or performance on our Yanmar 6LP 315HP. We've replaced the turbo and cleaned the aftercooler but still lack power and boost. Any ideas? … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,597 satisfied customers
I am looking to purchase a trawler with twin Yanmar 100 hp
I am looking to purchase a trawler with twin Yanmar 100 hp turbo charged diesel. I am concerned about the oil consumption. One engine uses a quart of oil every 46gal of fuel/qt and the other 78gal/qt.… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,597 satisfied customers
I have a Hardy 32 running pair of Yanmar 6LP-DTE engines.
Hi there, I have a Hardy 32 running pair of Yanmar 6LP-DTE engines. The boat and engines are 2001 and have 450 hours on them. I purchased the boat last year and have been catching up on maintenance th… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,597 satisfied customers
1986 bert 28 with rebuilt 350s, about 1000 hrs on each.
1986 bert 28 with rebuilt 350s, about 1000 hrs on each. notice a fuel sheen in the water after she was shut down. Looks like it was coming from the starboard raw water exhaust. The engine runs fine, n… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
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Volvo D1-30 diesel with sail drive. 2,600 hours, starts
Volvo D1-30 diesel with sail drive. 2,600 hours, starts easily, runs smoothly at idle and under load, no smoking of any color from exhaust, no fuel leaks anywhere, exhaust elbow newer, raw water impel… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,597 satisfied customers
I have a 2003 kad300 volvo diecel w/ duel prop outdrive. the
I have a 2003 kad300 volvo diecel w/ duel prop outdrive. the engine is overheating at 2500 rpm and above. i have changed thermostats, raw water impeller, tighten all belts to spec., cleaned raw water … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
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Yanmar 4jh the, 89. Just had 2000 hr service...new exhaust
Yanmar 4jh the, '89. Just had 2000 hr service...new exhaust elbow, injectors sent away for service and put in, oil changed, Engine always had slight sheen on water, now has much more on startup and wh… read more
Jason
Jason
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Vocational, Technical or Trade School
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I have a Yanmar diesel marine generator with a problem of lubricant
I have a Yanmar diesel marine generator with a problem of lubricant oil disappearing every day after 1 day running. previously it was consuming 2 litres of oil every 24 hours running and we change the… read more
Michael
Michael
master marine technician/charter captain
Vocational, Technical or Trade Scho
256 satisfied customers
"new" boat has yanmar 60hp turbo diesel 4jh.hte, 1,967 hours. some
"new" boat has yanmar 60hp turbo diesel 4jh.hte, 1,967 hours. some sheen in exhaust fluid..suspect from fuel...what to do? Don't know maintenance history...am taking boat to my local yanmar guy...and … read more
Jason
Jason
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Vocational, Technical or Trade School
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Have a 4jh hte rebuilt , smoked and only got 3000 rpm under
Have a 4jh hte rebuilt , smoked and only got 3000 rpm under load. And 7 lb boost . Injection pump was rebuilt. We have installed new Injectors which reduced smoking. Re pitched prop am getting 3700 rp… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,597 satisfied customers
I have a Yanmar 2GM20F. Yesterday the raw water stopped flowing
I have a Yanmar 2GM20F. Yesterday the raw water stopped flowing and I got an overheat light. I limped the boat back to the dock. The intake is clear as is the raw water filter. I am guessing it is the… read more
Tan
Tan
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Certified Marine Technician
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Have TAMD60C and stbd engine overheats at higher revs. Have
Have TAMD60C and stbd engine overheats at higher revs. Have replaced impeller, stripped oil cooler and aftercooler and descaled. They were well calcified and hoped my problem solved . Have now run eng… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
I have a pair of yanmar 6LYA-STE engines. The turbo on the
I have a pair of yanmar 6LYA-STE engines. The turbo on the port engine is very slow in comming up Starbord engine turbo works just fine. Both engines put out a LOT of smoke. Had a fellow clean the aft… read more
K. Kergan
K. Kergan
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Vocational, Technical or Trade Scho
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I have a [IS10.2]kw mase generator with a yanmar engine.[Yanmar
I have a [IS10.2]kw mase generator with a yanmar engine.[Yanmar 3TNV82] The unit is 1 year old and has 300hrs on it. It constantly leaves a sheen on the water [with full load or no load].It is not bur… read more
Yachtwork
Yachtwork
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Technical or Trade School
1,048 satisfied customers
I have a Yanmar 4LH-HTE 140 HP turbo diesel in my boat. It
I have a Yanmar 4LH-HTE 140 HP turbo diesel in my boat. It was working find until recently when I noticed that the turbo blade was not spinning (excessive smoke from exhaust was clue). Upon stripping,… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
I have a pair of Yanmar 240 HP with 780 hrs on them. The exhaust
I have a pair of Yanmar 240 HP with 780 hrs on them. The exhaust elbows on port engine just rusted through and came apart and filled the engine room with thick black smoke on my MAINSHIP 40. I can see… read more
Professor Diesel
Professor Diesel
Proprietor
Vocational, Technical or Trade Scho
14 satisfied customers
hello,i just bought a boat ,it has a detroit diesel 453,in
hello,i just bought a boat ,it has a detroit diesel 453,in her ,well half of it ,the rest is rusted out,so my question is ,i need to put in another engine ,it has to be the size of the 453 ,or smaller… read more
Yachtwork
Yachtwork
Owner Team Yachtwork
Technical or Trade School
1,048 satisfied customers
I have a Yanmar diesel 2GM20F in my 1991 Hunter sailboat. I
I have a Yanmar diesel 2GM20F in my 1991 Hunter sailboat. I can't get the RPM over 2K no matter how much throttle I apply. When I apply more throttle, oil appears in the water exhaust.… read more
Michael
Michael
master marine technician/charter captain
Vocational, Technical or Trade Scho
256 satisfied customers
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