Harley Davidson Engine Break In Procedure

The first 50 miles are the most critical for new rings and piston break-in most engine damage will initially occur during this period.

Harley davidson engine break in procedure. The technicians here discuss misconceptions about proper warm up and break in procedures. The words Harley Harley-Davidson H-D Sportster Evolution and all H-D. Listen to them discuss the reason air cooled Harley engines need to.

This will be your last break-in run. Engine Break In Myth. If you follow the break-in procedure outlined in your owners manual itll recommend a 600 1000 or even a 1500-mile process wherein.

Follow the above procedure and run for 15 minutes. 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. Run engine approximately one minute at 1250-1750 RPM.

He then allows the engine. During the first 50 miles of riding keep the engine speed below 3000 RPM 5000 RPM for VRSC in any gear. We are trying to bed those rings so that they achieve a correct seal against the cylinder walls and we have a relatively narrow window in which to do this relates Simon.

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. DISASSEMBLY Refer to the Harley-Davidson manual for your specific motorcycle for the correct disassembly procedure. This article was originally published on Motorcyclist.

DO NOT crack throttle or subject to any loads during this period as head gaskets are susceptible to failure at this time. Make a test run at 30 miles per hour and accelerate at full throttle to 50 miles per hour. 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.