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I have 2 yanmar 480 hp in a 37 foot bertram. They smoke more
I have 2 yanmar 480 hp in a 37 foot bertram. They smoke more than I think they should getting on plane especially after trolling all day. Inner coolers and turbos have been cleaned. the injectors have… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
I. I bought a 31' sailboat with a Yanmar 3GM30F, around 20
I bought a 31' sailboat with a Yanmar 3GM30F, around 20 years old, 800 hours on it (if the counter has not been replaced). It starts well, idles well and in neutral it can easily reach the max rpm of around 3500. And when on the swing mooring I can run it (in reverse) to around 3200 rpm. When moving the boat under load however I seem to lose power - up to around 1600-1700rpm the boat moves (but quite slow) and if I push the engine to full throttle, it just hits around 1800rpm and starts emitting lots of black smoke and soot. Injectors have been removed and cleaned (fair amount of carbon build up). Fuel is older but has conditioner added and no water in it. All fuel lines and filters have been replaced. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
yanmar 2gm20f - was motor sailing - engine running well then
yanmar 2gm20f - was motor sailing - engine running well then slowed and stopped - I bled the low pressure side then bled high pressure side - engine will turn over sputter then stop -emits black exhau… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I have a Yanmar 2QM15. I changed the secondary fuel filter
I have a Yanmar 2QM15. I changed the secondary fuel filter the other day, and now my boat is belching out black smoke. When I originally changed the filter, I didn't realize the fuel had to be bled ou… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I want to put a Yanmar 315 in my Albie in place of my 8.1 gas
I want to put a Yanmar 315 in my Albie in place of my 8.1 gas Mercruiser with a 2:1 Bravo 3 22 pitch props. Yanmar recomends a 1:78 gear change couldn't I just increase the props to load the 315? Are … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
|On a cross channel passage, it was necessary to run a 1GM10
|On a cross channel passage, it was necessary to run a 1GM10 for around four hours at full power or thereabouts. At the end of this period, there was oil smoke haze filling the engine compartment and … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I have a 1996 egg harbor with Volvo tamd63ps. Had the port
I have a 1996 egg harbor with Volvo tamd63p's. Had the port engine rebuilt last year, an impeller broke apart. The starboard has 1250 hours. Since I have had the boat,9 years, the engines have always … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I have a 27 sail boat that was repowered with a Yanmar 2 cylinder
I have a 27' sail boat that was repowered with a Yanmar 2 cylinder diesel #2GM20 about 6 years ago . The motor has only about 200 hours on it. Up until now it has been running great. A few weekends ag… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Have a Yanmar 4JH4TE in my Beneteau 49. After arriving in
Have a Yanmar 4JH4TE in my Beneteau 49. After arriving in the BVI last November my engine would not rev over 1800RPM. Problem solved after changing the fuel filter on the engine. Yanmar part number on… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I dont have the model # XXXXX me but it is on a 1986 hunter
I don't have the model # XXXXX me but it is on a 1986 hunter sailboat . Fifteen hp engine. Last night comming in from a night sail, noticed smoke comming from exaust or back of boat. It possably came … read more
Scott
Scott
Marine technician
Vocational, Technical or Trade Scho
543 satisfied customers
my saildrive seems to have locked up and I cant get it into
my saildrive seems to have locked up and I can't get it into or out of gear. The cables are working fine when I disconnected them. Any help? Also I just got through with a bottom job and the yard mana… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
We were beating to windward yesterday against current, waves
We were beating to windward yesterday against current, waves and 17 knots of wind no sail. It was a shakedown cruise of sorts. We have a small yanmar. It is a 9h the 1GM-10. When we went to full throt… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Hey Man, How are you We had hurricane Igor come through Bermuda
Hey Man, How are you? We had hurricane Igor come through Bermuda shortly after you answered my question about the fuel supply. I had the boat pulled and have not had a chance to try out your new solut… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
hi i have a inboard diesel engine-yanmar yse 8g 2 cylinder
hi i have a inboard diesel engine-yanmar yse 8g 2 cylinder 8 hp modrl se 8g . when idling ticking over discharse cooling water is clear when half throttle or full discharge. stooty black with cooling … read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
I have a Volvo Penta 2003 28hp engine in my Moody Eclipse 33.
I have a Volvo Penta 2003 28hp engine in my Moody Eclipse 33. The boat is 19 years old and I have had it for the last 10 years. Just this season I seem to have noticed grey exhaust at low revs, especi… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
Really Online Q&A Thats cheering. I am seeking a new
Really? Online Q&A? That's cheering. I am seeking a new prop for my Yanmar 2GM20 17 x 12 x 1" RH. Does anyone know where it can be ordered off the shelf? Thanks, Ernie… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
I have a 1978 Bristol sail boat with a yanmar 2QM20. Earkly
I have a 1978 Bristol sail boat with a yanmar 2QM20. Earkly in the season I motored for 5 hours down lke Michigan with no problems and didn't have any unitil 2 mionths nto the season when I was motori… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
I am very sad that your experts have not responded at all to
I am very sad that your experts have not responded at all to my query on my yanmar black smoke issue. This site to which I have paid £8.00 for is to my thinking a way to extract more money from he gul… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,940 satisfied customers
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