Harley Davidson Engine Break In Procedure

He then allows the engine.

Harley davidson engine break in procedure. The words Harley Harley-Davidson H-D Sportster Evolution and all H-D. 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. Make a test run at 30 miles per hour and accelerate at full throttle to 50 miles per hour.

In fact nothing is worse for your engine that driving around an un-tuned engine especially for an extended period. What is actually being done during engine break-in is fairly simple its the controlled bedding or wearing-in of the new piston rings on the hone of the cylinder walls. Let the engine pull from 2500 - 3500 rpm at 50 throttle and coast it back down to 2500.

It is written that way because no one would believe a rear gear needs a break-in procedure. Engine break-in is divided into four major phases. 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.

You need to ride 500-1000 miles before you dyno tune your fresh engine or big bore kit. If you follow the break-in procedure outlined in your owners manual itll recommend a 600 1000 or even a 1500-mile process wherein. Break-In Riding Procedure.

This article was originally published on Motorcyclist. To allow your engine to wear-in its critical parts we recommend that you observe the riding rules provided below for the first 500 miles. 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.

Warm the engine up thoroughly while riding it it easy. Installation andor break-in procedures may result in damage to pistons and or other engine components not covered under warranty. Follow the same procedure as above but this time running for 10 minutes.