How do I check the tension on my motorcycle belt?

What are some potential problems if belt tension is too loose?

When a belt is too loose:

  • Cracking of the belt.
  • Pieces breaking off.
  • Hardened appearance.
  • Squealing during startup.
  • Over amperage of your motor.
  • Pulleys wearing out prematurely.
  • Worn our front motor bearing.

How much slack should a Harley belt have?

Measure belt deflection “B” several times, each time with belt moved (by rotating rear wheel) to a different position on sprockets. With sprockets rotated to tightest belt posi-tion, belt deflection “B” (measured at position “A”) should be 5/16-3/8 in.

Can you adjust the tension on a belt tensioner?

Locate the adjuster bolt on the belt tensioner used to secure the serpentine belt, and adjust the tension by loosening or tightening the adjuster bolt with a racthet and socket while you simultaneously move the belt back and forth gently to find the proper tension.

Can a belt tensioner be to tight?

If the belt is too tight, it can eventually cause the bearings in either the tensioner, or one of the accessories (= the things being driven!) to wear to excess, which usually results in noise. If the belt it too loose, it will squeal, as the belt will be slipping on one or more of the pulleys, usually the alternator.

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How can you tell if a belt tensioner is bad?

One of the most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started.

How do I know if my belt tensioner is bad?

The symptoms of a loose serpentine belt include a loud squealing noise when the engine is started or when the steering is turned all the way to one side. A serpentine belt that keeps slipping off the pulley is another symptom of a bad tensioner.