Harley Davidson Engine Break In Procedure

No further break-in is necessary.

Harley davidson engine break in procedure. Repeat the acceleration cycle from 30 to 50 miles per hour at least ten times. Follow the above procedure and run for 15 minutes. Now is the time to let the engine totally cool down again.

Engine break in comparison. Run engine approximately one minute at 1250-1750 rpm. This first initial ride will only be about 5 minutes.

Heres how to do it right. You need to ride 500-1000 miles before you dyno tune your fresh engine or big bore kit. At two years and one day you are riding it back to the dealer to trade it in on a new one and the transmission locks up the engine throws a rod and the primary has turned into a pile of iron filings.

Keep the heat down by not exceeding 3000 rpm and vary the speed. Engine break-in is divided into four major phases. Up to 500 miles vary the engine speed and avoid operating at any speed for long periods.

The first 50 miles are the most critical for new rings and piston break-in most engine damage will initially occur during this period. The manufacturer suggests that engines not be run faster than 3000 rpm during the first 50 miles of operation with no running. The words Harley Harley-Davidson H-D Sportster Evolution and all H-D.

Installation andor break-in procedures may result in damage to pistons and or other engine components not covered under warranty. This will be your last break-in run. Follow the same procedure as above but this time running for 10 minutes.