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How do you break-in a 4 stroke Mercury?

How do you break-in a 4 stroke Mercury?

FIRST 20-HOURS:

  1. Do NOT operate the engine below 1500 rpm for extended periods of time.
  2. Do NOT operate at one continuous speed for extended periods of time.
  3. Do NOT exceed ¾ throttle during the first 10 hours of operation.
  4. Do NOT operate at full throttle until the engine reaches normal operating temperatures.

How do you break into a Mercury Pro XS 4 stroke?

For this particular model, during the first two hours of operation run the engine at varied throttle settings up to 4500 RPM, with one-minute bursts at full throttle every ten minutes. Always warm up the motor thoroughly at idle before running at higher engine speeds.

What happens if you don’t break-in outboard?

Failure to follow the “break in procedure” for an outboard motor can result in mechanical failures, reduced life of the outboard and even a voided warranty!

How many hours does it take to break-in an outboard motor?

2-STROKE OUTBOARDS (CARBURETED)

8-9.8 hp (2-Str) 1-10 min 3-10 hrs
Throttle Position Idle 3/4 throttle
Speed Approx. 4000 rpm. Full throttle run allowed for 2 min every 10 min

How do you break-in a 2 stroke outboard?

Never run your outboard if the warning lamp is on or blinking on/off. Run engine at maximum of 2000-3000 rpm; Vary throttle during this time. Run engine at maximum of 4000-5000 rpm; Vary throttle during this time. Full throttle run allowed for no more than 5 min.

Do you need to break-in a new outboard motor?

Since boat engines are designed to run at constant RPMs and are put under intense loads, it is very important to properly break in your motor. It is a very simple process that anyone can really do and we recommend that everyone with a new boat follow this break-in procedure that Yamaha recommends.

How many hours does it take to break-in a boat motor?

The rule of thumb for most marine engines are 10 hours for the break-in period. Some inboards require more, like a 20-hour break in, but I think this could go back to the debate of the “break-in period myth.” So we will leave that there with what the manufacturers want, and say.

How many hours does it take to break-in a new boat motor?