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Please would you tell me whether my 4LH STE has a super charger

 

Customer Question

Please would you tell me whether my 4LH STE has a super charger which comes in before the Turbocharger. If so, where is it and how is it driven.
The turbo charger is reluctant to start at the start of the season. Ithas been cleaned and It started last time I took the boat outwith th mechanic on board
IG

 

Optional Information:
Make (of engine): Yanmar
Model (of engine): 4LH STE
Year: 1999
Horsepower: 230

Already Tried:
Cleaned the air side and the exhaust side.The Mechcanic put some oil on both ends!It started and I ran the boat at 3000 rpm for half an hour up the loch with no problems The turbo is reluctant to come in at the the start of the season I have not used the boat much.

Submitted: 248 days and 15 hours ago.
Category: Boat
Value: £21
Status: CLOSED
Picture
Expert:  Abiorca replied 248 days and 14 hours ago.

It has a inner cooler for the turbo, no supercharger on that motor

copy and paste the link below for the owners manual

http://svkarenm.webs.com/YANMAR_4LH_operation%20manual.pdf

Customer replied 248 days and 12 hours ago.

What can I do to make the turbo more reliable? The exhaust bend seems to be clear.The turbo is 13 years old

Accepted Answer

Picture
Expert:  Abiorca replied 248 days and 10 hours ago.

Use the boat more and oil changes is pretty much it

Expert TypeMarine Mechanic
Category: Boat
Pos. Feedback: 84.3 %
Accepts: 1816
Answered: 8/8/2012

Experience: Over a 15 years of working on all the brands of outboards.

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