Running Lean?
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Stage III
Joined: Oct 2017
Posts: 3
Likes: 0
From: Texas
Running Lean?
So I've had this sportster 48 for a little over a month and it's been running great, but when I started it up this morning, it sounded different than usual. The exhaust was a LOT louder than it normally is, and I've been noticing popping on deceleration. Pipes are stock, baffles still in, never messed with the EFI tuning, nothing has changed. I don't know what could've caused this, Or if it's going to even harm anything but my only guess at why it sounds like this is it's running leaner for some reason but I'm still new at this. Any ideas?
Road Warrior
Joined: Jul 2013
Posts: 1,649
Likes: 443
From: Indianapolis
Do you have any codes? Is the check engine light on?
If you don't have any lean codes, it probably isn't running leaner than normal
I would check and make sure the exhaust is tight at the heads.
Torque spec is 96-120 INCH pounds (10.9 - 13.6 Nm)
Check the O2 sensors.
29-44 FOOT lbs (39.3 - 59.7 Nm)
Depending on the model year you may also have gaskets at the muffler inter connect tube, Check for exhaust leaks there.
If you don't have any lean codes, it probably isn't running leaner than normal
I would check and make sure the exhaust is tight at the heads.
Torque spec is 96-120 INCH pounds (10.9 - 13.6 Nm)
Check the O2 sensors.
29-44 FOOT lbs (39.3 - 59.7 Nm)
Depending on the model year you may also have gaskets at the muffler inter connect tube, Check for exhaust leaks there.
Thread Starter
|
Stage III
Joined: Oct 2017
Posts: 3
Likes: 0
From: Texas
Do you have any codes? Is the check engine light on?
If you don't have any lean codes, it probably isn't running leaner than normal
I would check and make sure the exhaust is tight at the heads.
Torque spec is 96-120 INCH pounds (10.9 - 13.6 Nm)
Check the O2 sensors.
29-44 FOOT lbs (39.3 - 59.7 Nm)
Depending on the model year you may also have gaskets at the muffler inter connect tube, Check for exhaust leaks there.
If you don't have any lean codes, it probably isn't running leaner than normal
I would check and make sure the exhaust is tight at the heads.
Torque spec is 96-120 INCH pounds (10.9 - 13.6 Nm)
Check the O2 sensors.
29-44 FOOT lbs (39.3 - 59.7 Nm)
Depending on the model year you may also have gaskets at the muffler inter connect tube, Check for exhaust leaks there.
Road Warrior
Joined: Jul 2013
Posts: 1,649
Likes: 443
From: Indianapolis
A torque wrench- http://www.sears.com/tools-wrenches-...s/b-1214364374
You would need an O2 sensor socket, they have an opening for the wire.
If your bike is still under warrannty, two years unlimited miles, the dealer could check them at the 1000 mile service.
You would need an O2 sensor socket, they have an opening for the wire.
If your bike is still under warrannty, two years unlimited miles, the dealer could check them at the 1000 mile service.
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