Yanmar 170 Not Reaching Max RPMs

RickB · Nov 26, 2013

djmarchand said:
Servicing the raw water system will surely fix the overheating.

The OP wrote "The mechanic thought the engines were well maintained, ran fine and he did not find any issues with them. ... the engine showed no sign of overloading"

How and where did that get turned into an overheating issue?

sunchaser · Nov 26, 2013

kitelog said:
Prop down until the engines reach over 3450 RPM easily ( 3425-3525 Yanmar spec).
QUOTE]

It would seem that the owner would want to do this, with RPM verified by strobe light. Once full RPM are verified and achieved, if any other issues arise they can be negotiated or not - your call.

Tony Athens is a Yanmar specialist as well as Cummins guy, therefore believable as compared to us talking heads. Show Tony's comments to the owner and broker.

Yanmar 170 Not Reaching Max RPMs

RickB

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sunchaser

Guru

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