I'm trying to do right by my new Yanmar
4JH57 and properly break it in. I have read the break in procedure... During the first 10 hours run the engine
at 60 - 70% of load most of the time. Do not idle for more than 30 minutes and do not run at wide open throttle for more than one minute at a time.
While reading the manual I notice you can set the LCD to show "ENG Ld" which is engine
The problem is, when I try to get to 60 - 70% of load I'm motoring along at around 9 knots and I'm getting near the max rated RPMs. I backed off and did not run that way for more than a minute. 45 - 50% of load still seems fast to me, but more reasonable.
My question is... can I trust the ENG Ld reading on the LCD? Is it accurately showing me engine load and I should run it up to 60 - 70%? If not, how am I supposed to tell what 60 - 70% is?