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Yanmar:LY Series
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BOATDIESEL FORUMS POWERTRAIN Marine Diesel Engines Yanmar Yanmar:LY Series

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Section Topic Details Includes Attachments Notify me of any new messages to this topic.  Replies  Last
Yanmar:LY Series Boost Pressures VIEW/REPLY   Notify me of any new messages to this topic. 2  Wed Sep 8 10 7:02 PM
Yesterday
03:13 PM
Level-1 Member Dan   I have a pair of 6 LYA-STE 315 hp engines in my boat, a 32´ Blackfin Sportfish. I have been scouring the internet looking for a useful chart of spec boost pressures at varying rpms. Yanmar only has .....
2 Responses....
Yesterday
03:34 PM
#1 Level-1 Member John Viveiros   Dan- Boost isn´t directly tied to RPM in a way that a chart would be meaningful to your boat. It´s more a function of load and RPM and no 2 boats will be identical. I love having boost gauges b.....
Yesterday
07:02 PM
#2 Level-1 Member Dan   Thanks John.

Yanmar:LY Series Injector service VIEW/REPLY   Notify me of any new messages to this topic. 1  Fri Sep 3 10 10:06 AM
Sep 1 2010
11:30 PM
Level-1 Member BahaYan34   How do you know if your injectors need to be serviced? Coming up on 1k hours.
1 Response....
Sep 3 2010
10:06 AM
#1 Level-1 Member Weta   Depends on your maintenance philosophy. If you follow preventative maintenance protocol thats basically when the engine operator manual states in the maintenance section. If you follow the proactive m.....

Yanmar:LY Series Value of used yanmars and replacement cost VIEW/REPLY   Notify me of any new messages to this topic. 1  Mon Aug 30 10 9:15 PM
Aug 30 2010
03:26 PM
Level-1 Member DonW28   I know this is tough to do without specifics and I may end up on the phone talking to dealers but what the heck.. I´m trying to determine the value of a boat that has been re-powered. Hard enough in .....
1 Response.... Open/CloseView ALL

Yanmar:LY Series Does Racor 245 deliver enough fuel? VIEW/REPLY   Notify me of any new messages to this topic. 2  Mon Aug 30 10 5:34 AM
Aug 6 2010
12:43 PM
Level-1 Member Nidelv320   I have an Yanmar 6ly-STE 370 hp engine. The water seperator/mud filter is a Racor 245 with 10 micron filter. The filter can deliver 170 l/h. I wonder if the filter is ok for this engine or is it th.....
2 Responses.... Open/CloseView ALL

Yanmar:LY Series Recommendation for or against 6LYS-STP VIEW/REPLY   Notify me of any new messages to this topic. 4  Sat Aug 28 10 3:15 PM
Aug 27 2010
06:49 PM
Level-1 Member DonW28   I´m thinking of purchasing a vessel with twin Yanmar 6LYS-STP engines. Low hours. I´m not very familiar with any diesels, but do know these are high RPM diesels. I think the boat runs about 28k at c.....
4 Responses.... Open/CloseView ALL

Yanmar:LY Series Head Re-build VIEW/REPLY   Notify me of any new messages to this topic. 2  Thu Aug 26 10 5:03 AM
Aug 24 2010
06:12 PM
Level-1 Member BahaYan34   So if we have one or two of these engines that are below the serial number listed in the doc., what should we do? Re-build the whole head or just the intake valves. These parts are high dollar compare.....
2 Responses.... Open/CloseView ALL

Yanmar:LY Series Yanmar 6LY2 series valve recall? VIEW/REPLY Includes Attachments Notify me of any new messages to this topic. 12  Tue Aug 24 10 6:10 PM
Jul 29 2010
09:43 PM
Level-1 Member Ed   Has anyone out there heard anything about a 6LY2 valve recall? I had a local Yanmar tech. on my boat today and he told me he was working a few docks down on a Hinkly with same motor with a valve recal.....
12 Responses.... Open/CloseView ALL

Yanmar:LY Series Engine is pulsing At low rpm VIEW/REPLY Includes Attachments Notify me of any new messages to this topic. 2  Tue Aug 24 10 2:51 AM
Aug 23 2010
09:32 PM
Level-1 Member Drew   I have a 35 henriques, 440 yammer engine. When I throw the engines into forward or reverse my starboard engine pulses. It almost stalls and I have to increase the rpms immediately. The rpms pulse f.....
2 Responses.... Open/CloseView ALL

Yanmar:LY Series Is it a wastegate on 6LY-STE? VIEW/REPLY   Notify me of any new messages to this topic. 0  Sun Aug 22 10 2:01 PM
Aug 22 2010
02:01 PM
Level-1 Member Nidelv320   Is it a wastegate on the turbo in a 6LY-STE? If it is, is it possible to see it og is it inside the turbo?
NO Responses....

Yanmar:LY Series craigslist 6LY VIEW/REPLY   Notify me of any new messages to this topic. 0  Fri Aug 20 10 10:21 PM
Aug 20 2010
10:21 PM
Level-3 Member Ski in NC   6ly motor for sale on Wilmington NC craigslist. I´m not associated with it in any way, but might be a catch for someone on this site. http://wilmington.craigslist.org/boa/1908594757.html
NO Responses....

Yanmar:LY Series Preventive Valve Work? VIEW/REPLY   Notify me of any new messages to this topic. 2  Thu Aug 19 10 3:48 PM
Aug 15 2010
06:33 PM
Level-1 Member Rj   I´m new to the forum. Have a 2002 6LY2a Stp with 700 hours on it. Have had no problems. Have read with concern about the valve failures on these with catastrophic results. I understand that Yanmar is.....
2 Responses.... Open/CloseView ALL

Yanmar:LY Series Pictures and vido of my Yanmar 6LYM-STE VIEW/REPLY   Notify me of any new messages to this topic. 0  Wed Aug 11 10 1:34 PM
Aug 11 2010
01:34 PM
Level-1 Member Nidelv320   I have taken some pictures and 2 videos of my engine. This engine is new to me, please comment if you notice something I should fix. The engine is from 1998 and has 1500hrs. http://picasaweb.googl.....
NO Responses....

Yanmar:LY Series 6lym-ste VIEW/REPLY Includes Attachments Notify me of any new messages to this topic. 5  Tue Aug 10 10 3:16 PM
Jul 29 2010
11:31 PM
Level-1 Member Chet   Just returned from a two day trip looking at a 2001 35 Henriques with 6lym-ste. I have unfortunately been on the "receiving end" of a 6lp-stze engine rebuild from the all too familiar valve .....
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5 Responses.... Open/CloseView ALL

Yanmar:LY Series How do i get the air cooler core assembly out of the air cooler assembly for a 6ly-ute VIEW/REPLY Includes Attachments Notify me of any new messages to this topic. 4  Thu Aug 5 10 8:23 PM
Aug 5 2010
02:01 AM
Level-1 Member Gio   I´m trying to get the air cooler core assembly out of the air cooler assembly for a yanmar 6ly-ute, but it seems to be stuck! Want to get it cleaned. What are the best liquids to get both the ai.....
4 Responses.... Open/CloseView ALL

Yanmar:LY Series Rpm 6lya-ste VIEW/REPLY   Notify me of any new messages to this topic. 3  Tue Aug 3 10 3:54 PM
Aug 3 2010
12:36 PM
Level-1 Member Capt. Wayne Ciparchia   Want to increase the rpm a little on one engine. Can I dial up the injection pump a little ? If so how. Thank You
3 Responses.... Open/CloseView ALL

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