Harley Davidson Engine Break In Procedure

This first initial ride will only be about 5 minutes.

Harley davidson engine break in procedure. So with a new car to speed the process run the car 30 minutes let the rear gear cool off completely then do it a couple more times and you are good to go. Run engine approximately one minute at 1250-1750 rpm. Engine Break In Myth.

The proper break-in procedure is in Section 9 of these instructions. Warm the engine up thoroughly while riding it it easy. No further break-in is necessary.

The first 50 miles are the most critical for new rings and piston break-in most engine damage will initially occur during this period. Follow the same procedure as above but this time running for 10 minutes. Let the engine pull from 2500 - 3500 rpm at 50 throttle and coast it back down to 2500.

You need to ride 500-1000 miles before you dyno tune your fresh engine or big bore kit. You buy a new machine and follow the directions. Heres how to do it right.

Below the correct procedure to break-in your engine. Run engine approximately one minute at 1250-1750 RPM. Repeat 12 times and watch oil temp and unusual noise.

Now is the time to let the engine totally cool down again. Find a stretch of straightaways and. Repeat this procedure 3 to 4 times each time raising the running temperature 10 and gently vary the rpm from idle to 2500 in the final cycle.