Harley Davidson Engine Break In Procedure

Repeat the acceleration cycle from 30 to 50 miles per hour at least ten times.

Harley davidson engine break in procedure. Harley-Davidson Techs Around A. Let the engine cool till you can touch the engine. Warm the engine up thoroughly while riding it it easy.

The manufacturer suggests that engines not be run faster than 3000 rpm during the first 50 miles of operation with no running. Run engine approximately one minute at 1250-1750 RPM. Engine break-in is divided into four major phases.

You buy a new machine and follow the directions. Run engine approximately one minute at 1250-1750 rpm. Below the correct procedure to break-in your engine.

The first 50 miles are the most critical for new rings and piston break-in most engine damage will initially occur during this period. 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. After warming up the engine he puts it in fourth gear and does five half-throttle dyno runs varying between 30 60 of the engines maximum revs allowing the engine to decelerate fully without using the bikes or dynos brakes.

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. Engine break in comparison. 1- Initial start up.

It is written that way because no one would believe a rear gear needs a break-in procedure. In fact nothing is worse for your engine that driving around an un-tuned engine especially for an extended period. Everyone knows an engine does.