How Big Of A Deal Are The Cam Chain Tensioners On The Eighty Eight Harley Davidson Engine?

What year did Harley fix the cam chain tensioners?

1999-2006 Harley Davidson introduced the Twin Cam motor. In order to run the valve train Harley went to a cam chain tensioner set up utilizing a spring loaded shoe putting pressure on the cam chain with push rods.

Is the twin cam 88 a good motor?

The twin cams are very reliable motors however, I think yours has the M&M efi on it. These have been known to be a bit hokey (so I hear) but most folks say if you leave them alone they are perfectly fine.

How do I know if my cam chain tensioner is bad?

Symptoms of a Bad or Failing Timing Chain Tensioner

  1. Engine may stall or run rough.
  2. Noise in the front of the engine (a rattle or rumble, associated with engine speed)
  3. Check Engine Light may illuminate and set misfire, camshaft sensor, and crankshaft sensor codes.
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Which is better twin cam or Evo?

Re: Evo v Twin Cam Dyna There are some clear differences between the engines. Essentially, the Evo engine has a much more efficient combustion chamber and head design, and can produce more horsepower and torque than the TC 88 for a given cylinder volume. However, the TC 88 has a better lifter design.

How many miles do Harleys last?

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 long will a twin cam 88 last?

The twin cam was designed to last 100,000 miles without needing major service with regular maintenance.

How many miles is a twin cam 88 Good For?

at least 200,000 miles, probably 500,000 if well cared for and not abused.

Are Harley 96 and 103 heads the same?

Yes the heads are same valve and chamber size for both motors.

How much does it cost to replace a cam chain tensioner?

The average cost to replace timing chain tensioner is around US$1000 to US$1600. In which the service is around US$600 to US$1000 while aftermarket auto parts are estimated between US$450 and US$600.

When should a cam chain tensioner be replaced?

The timing chain normally needs to be replaced between 80,000 and 120,000 miles unless there is a specific problem. Issues with the chain are common in higher mileage vehicles.

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How long do Harley hydraulic tensioners last?

I don’t object to spending the extra money on any of the cam design upgrade options (hydraulic, gear drive, etc), but the truth is, you can leave the existing design in place, replace the tensioners with new ones and expect to get another 40K-50K miles out of them. For most people that’s 5-10 years of service.

What happens if you don’t replace timing chain tensioner?

In truth, many things go wrong with the timing chain tensioner failing. When the tensioner goes bad, the chain may appear loose within its connected parts, causing it to fail. Again, the timing chain failure causes the engine to malfunction, and in extreme cases, the car would not run.

Can you fix a timing chain tensioner?

If the timing chain is worn, it’s usually replaced as a kit with a new tensioner, guides, and other parts of the chain drive mechanism. Many cars have two or even three chains in their motors and often your auto repair shop may recommend replacing all the chains at once.

What does a bad timing chain tensioner sound like?

When a timing belt tensioner fails, it can result in a number of different symptoms. Symptom 1: Squealing, rattling, or chirping. When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises.

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