What year did Harley fix the cam tensioner issue?
What year did Harley fix the cam tensioner issue?
Regardless, the cam chain tensioner issue occupied more space in Twin Cam forums than the cost of gas debate. All of which in 2007 resulted in H-D modifying the part with a hydraulic actuated tensioner. As it turned out, 2007 was a big year for other reasons too.
What year did Harley have 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.
How long do Harley cam 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.
How do you know if your cam chain tensioner is bad?
There is often a timing chain tensioner noise from within the engine due to a failing tensioner. Kindly note that a bad tensioner makes the chain go loose and it may soon start hitting other parts. Hence, the noise from the engine as you drive, and this sound ranges from a knocking sound to a squeaky or chirping sound.
What does a bad cam chain tensioner sound like?
Listen for a metallic sound that resembles a rattling or scrapping noise. The sound can be intermittent or constant, but it will be a metal to metal contact. Such a noise will reveal a loose timing chain hitting the inside of the timing chain cover every time it rotates. You might also hear a metallic slapping noise.
What year did Harley switch to Delphi?
2001
With all the changes in 1999-2000, things were quite at Harley-Davidson for a few years, though in 2001 they switched to a better, Delphi EFI system on the bikes that were injected. 2001 was also the first year the Softail line was available with a fuel injected motor.
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.
When did Harley switch to twin cam?
The Harley-Davidson Twin Cam 88 engine was released for the 1999 model year in September 1998. The Twin Cam 96 was released for the 2007 model year.
What is a single cam and a twin cam?
The cam is basically a small wheel that is mounted on the top or bottom limb. As their names suggest, single cam bows have one cam, and dual cam bows have two. A Solocam bow has one power cam and one idler wheel, typically on the bottom, while a twin-cam bow has two symmetrical wheels.
What are Harley twin cam engines?
Harley-Davidson Twin Cam engine. The Harley-Davidson Twin Cam engines are motorcycle engines made by Harley-Davidson since 1998. Although these engines differed significantly from the Evolution engine , which in turn was derived from the series of single camshaft, overhead valve motors that were first released in 1936,…
What is a Harley twin cam engine?
Harley-Davidson Twin Cam engine. Both engines have two cylinders in a V-twin configuration at 45°, are air-cooled (some touring models use liquid cooling for the heads), and activate valves with push-rods. The crankshafts have a single pin with a knife and fork arrangement for the connecting rods. These are sandwiched between a pair of flywheels .
