What causes engine noise in Harley Davidson Dyna Glide?
If you haven’t figured it out yet, a twisted or slipped crank is a serious issue. The twisted crankshaft often occurs after engine performance modifications; however, aggressive acceleration, deceleration, and high revving burnouts with stock motors have been known to cause the issue as well.
What makes a Harley Davidson twin cam engine make noise?
Often referred to as the ‘Achilles Heel’ of the Twin Cam engine are the spring loaded cam chain tensioners on pre-2007 models. At one time, Harley had used gear driven cams, but to cut down on noise, reverted to a silent timing chain setup as used in many car engines.
How to diagnose engine noise in a motorcycle?
The first step in diagnosing an engine noise is to narrow down which area the sound is coming from and under which conditions the noise occurs. A mechanic’s stethoscope is a great tool to use when diagnosing engine noises, as the probe can reach into tight places to monitor the sounds of the engine.
Why does my Harley Davidson make a ticking noise?
If you are hearing an engine noise, chances are it is emanating from the valvetrain. If your are hearing an abnormal clattering or ticking noise, chances are it is a lifter. The twin cam engine uses hydraulic lifters, which are able to compensate for heat expansion and normal valvetrain wear.
If you haven’t figured it out yet, a twisted or slipped crank is a serious issue. The twisted crankshaft often occurs after engine performance modifications; however, aggressive acceleration, deceleration, and high revving burnouts with stock motors have been known to cause the issue as well.
Often referred to as the ‘Achilles Heel’ of the Twin Cam engine are the spring loaded cam chain tensioners on pre-2007 models. At one time, Harley had used gear driven cams, but to cut down on noise, reverted to a silent timing chain setup as used in many car engines.
If you are hearing an engine noise, chances are it is emanating from the valvetrain. If your are hearing an abnormal clattering or ticking noise, chances are it is a lifter. The twin cam engine uses hydraulic lifters, which are able to compensate for heat expansion and normal valvetrain wear.
What causes a knocking noise at the bottom of the engine?
Bottom-End (Crankshaft) Noise. The crankshaft flywheels in the twin cam engine are pressed together and have the potential to twist or slip, which will cause a knocking noise in the bottom end or near the gear case; plus, a much more noticeable engine vibration.
Are there any recalls on the Harley Davidson Dyna Glide?
A number of engine builders feel that Harley’s tolerances are bit lax from the factory, and, in some cases, Dyna owners have had their top-ends replaced under warranty. You can check for recalls and service bulletins using your bike’s VIN number. Figure 3. Twin cam engine cutaway.
Why does my Harley Davidson make a rattling noise when I brake?
Accelerate from a stop in first gear rather hard to about 30 MPH and then brake rather hard using only the rear brake without locking up the wheel and don’t pull in the clutch until the bike slows enough. Do this 2-3 times in succession and you’ll notice that the noise that you thought was the valve train is almost completely gone now.
Which is the best Harley Davidson Dyna Glide?
Generations of individual customizers have built Dyna Glides of every imaginable type and style. The Wide Glide model (FXDWG in the Harley alphabet) that is the subject of this review is the most stylish of all the Dyna Glide models.
What makes the whining noise on a Harley Davidson?
I have heard this same noise on about 50% of the Harley big twins i have listened to that have the auto adjuster. So I wanted to see what you guys think and does your big twin with auto adjuster make this same noise?
What kind of carburetor does a Dyna Glide have?
All stock Dyna Glides come with a 40mm CV carburetor which is jetted very lean, a quiet but restrictive air cleaner, and attractive but restrictive staggered shorty dual mufflers. This is courtesy of intrusive government regulation.
How big is the gas tank on a Dyna Wide Glide?
The maximum lean angles are 31 degrees right and 32 degrees left. The forks are raked at 32 degrees. The dry weight is listed as 612 pounds. The wheelbase is 66.1 inches. The “Fat Bob” gas tank holds 5.2 gallons. The OEM tires are Dunlop bias ply, a D402 MH90-21on the front, and a D401 130/90B-16 on the rear, mounted on chrome laced wheels.