FAQ: How Long To Break In A New Harley Davidson Engine?

How do you break-in a new Harley-Davidson engine?

Break-In Riding Procedure

  1. During the first 50 miles of riding, keep the engine speed below 3,000 RPM (5,000 RPM for VRSC™) in any gear.
  2. Up to 500 miles, vary the engine speed and avoid operating at any speed for long periods.
  3. Drive slowly and avoid fast starts at wide-open throttle until the engine has warmed up.

Does Harley use break-in oil?

The brand of motorcycle oil we recommend for break-in is “Spectro”. It is formulated specifically for Harley-Davidson air-cooled motorcycles. For proper engine break-in, on Evolution 80 cubic inch engines and Twin Cams, use a multi-weight oil (20w50), on older models use straight weight oil.

How do you break-in a rebuilt motorcycle engine?

The first time you restart the motor after a rebuild should be a static run. Wheel the machine outside or make sure you’re in a well-ventilated space. Then, start the engine and bring it up to operating temperature while gently varying the throttle between idle and 50% open. Don’t go over 50% throttle at this point.

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What is the average life of a Harley-Davidson engine?

It Is Not Unusual for a Harley Davidson Engine To Last 150,000 Miles.

Is it bad to lug a Harley?

The bad news is that if you “lug” the engine to a sufficiently low rpm, these increased temperatures and pressures will become destructive. It can turn ugly, and it’s pretty unlikely that you can save enough on gas to pay for a top-end rebuild—or worse. The ring land is thinnest just below the valve pocket.

What RPM should I shift on a Harley?

While most bikes are happy shifting at 5,000 to 7,000 RPMs, it is best to judge by the sound and feel of the engine. As you move faster, its pitch will increase. When the pitch is high, it is time to shift. If you shift too soon, you will hear the engine struggle, which will help you learn the correct shift points.

Does Polaris own Harley-Davidson?

Indian Motorcycle’s ability to rival the name Harley-Davidson in classic American motorcycle lore—combined with the versatility and experience of its parent company, Polaris Industries, in building machines for many different types of riders—presents perhaps the biggest challenge to Harley’s reign in decades.

What is the proper break-in procedure?

Run a couple hard throttle accelerations up to about 5,000 rpm and once again coast back down to 20 miles-per-hour. Let the engine cool, change the oil and filter, and check the coolant level. Drive the next 500 miles normally, keeping the engine below 5,000 rpm and minimizing operation at idle.

What is done in the Harley 1000 mile service?

Harley-Davidson 1,000-Mile Service Checklist Inspect engine oil and filter. Inspect oil lines and brake system for leaks. Inspect air cleaner and service as required. Check tire pressure and inspect tread.

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How long does a rebuilt motorcycle engine last?

If an engine rebuild is done properly, it can last over 100000 miles! And even just maintaining the vehicle and doing some of the work on its own will help keep that mileage up as well.

What oil should I use to break in a new engine?

Some people prefer to use a SAE 30 non-detergent motor oil to break in a newly built engine. Others use a conventional 15W-40 diesel oil because it contains a higher level of ZDDP than motor oils for gasoline engines.

How long do you run break in oil?

In general, run the engine under light-to-moderate loads for about 500 miles. Again, that duration is a rule of thumb, but break in shouldn’t exceed 1,000 miles. Then, drain the break-in oil, install the synthetic oil of your choice and commence driving.

What is high mileage for a Harley?

For larger bikes, 50,000 miles and up is considered high motorcycle mileage. But before you write off any models, consider that a properly maintained bike can last well past 100,000 miles! That’s why it’s important to think about the whole package, rather than motorcycle mileage alone.

Do Harleys break down a lot?

Harleys break down for several reasons. A major reason is the predisposition of Harley owners to modify their motorcycles excessively. Often, people perform these modifications without expert guidance and cause problems for the bikes later on. There is also the failure of Harley owners to maintain their bikes properly.

Is 30 000 a lot of miles on a Harley?

For smaller sports bikes, a mileage above 20,000 to 30,000 is on the high side, while larger motorcycles are considered high mileage after the 50,000-mile point.

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