Readers ask: What Is A Typical Tune-up For A 1999 Harley Davidson Flstc?

How often should you change Harley spark plugs?

In modern motorcycles, spark plugs should be replaced after every 15,000 to 16,000 miles of riding your motorbike. However, if your bike is sputtering, running rough, or even losing power, just think about inspecting and replacing the spark plug.

What does a Harley service consist of?

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.

How often should a Harley be serviced?

Harley-Davidson® recommends that your motorcycle receive servicing at least every five thousand miles, depending upon rider, riding style and conditions. Sometimes more frequent oil changes can be warranted.

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.

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Are Harleys expensive to maintain?

Harley Davidson is a brand of motorcycles that most riders generally hope they can own in their lifetime. It should not be a surprise that the Ultra Classic makes the list of one of the most expensive bikes to maintain.

What are symptoms of a bad spark plug?

What are the signs your Spark Plugs are failing?

  • Engine has a rough idle. If your Spark Plugs are failing your engine will sound rough and jittery when running at idle.
  • Trouble starting. Car won’t start and you’re late for work… Flat battery?
  • Engine misfiring.
  • Engine surging.
  • High fuel consumption.
  • Lack of acceleration.

What is the recommended spark plug gap?

For most racing applications, you usually want the plug gap to be between 0.020 and 0.040 of an inch. Most engine builders seem to settle around 0.035 of an inch. Factors such as the type of ignition you run, cylinder heads, fuel and even timing can affect how much gap will work best for you.

How often should you replace motorcycle spark plugs?

Motorcycle spark plugs should be replaced every five years.

How many miles can you put on a Harley?

They buy them for aggressive riding and sharp handling. For sports bikes, 25,000 miles can be a lot. Harley-Davidson® motorcycles are built to last much longer. If a bike has good maintenance records, no signs of damage and no oil leaks, even a bike with 40,000 to 50,000 miles can be expected to last a long time.

How often should I change the transmission oil in my Harley?

How often should I change the tranny oil in my Harley? According to the manufacturer’s service manual, you should change the engine oil at 5,000 miles. Primary oil should change at 10,000 miles, and trans fluid at 20,000 miles. A transmission oil change should happen every year.

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How often should I change the primary oil in my Harley?

Oil changes as per Owners manual every 5k Miles, Tranny and Primary every 10K. If you ride it more you’ll be changing it more often.

What kind of fluid goes in a Harley primary?

You actually have a couple of choices for the primary drive. The optimum product would be Mobil 1 Racing™ 4T 10W-40 motorcycle oil, but it is also okay to use Mobil 1™ V-Twin 20W-50.

How long does a Harley primary chain last?

A Harley Primary chain is expected to last 100,000 miles if maintained properly, adjusted to the spec tension, and serviced in the frequency outlined in the Harley’s owner’s manual. The primary shoe and the drive sprockets are likely to wear long before a well-kept chain does.

How many miles will a Harley 103 last?

I absolutely say the 103 will run you well past 150,000 miles. Keep it serviced as others say and ride on. Oh wait, you will have to replace the comp a time or two during the 150,000 miles, but the engine will hang in.

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