Weak throttle response
Supporter
Joined: Jan 2007
Posts: 15,787
Likes: 5,612
From: along the shore of Mishigami
For information sake, the crankcase is a "dry sump" case and is typically a table spoon of oil in it while the engine is operating.+1 trying to accelerate prior to the rear cylinder starts firing again . Try rolling a little bit using the clutch just prior to "green" so the speedo sensor picks up the motion and the rear cylinder starts firing.
Road Master
Joined: Dec 2012
Posts: 848
Likes: 30
From: CO
this is my bet, if it only happens after idling for a while...
"During hot idle, or when the motorcycle is
off-throttle and running at hot temperatures,
EITMS shuts off fuel to the engine’s rear
cylinder, leaving it to idle on the front
cylinder only. Without combustion, the
rear cylinder and exhaust header will begin
to cool, bringing relief to the rider (and
passenger) soon after. Once the rear cylinder
cools to a predetermined temperature, or as
soon as the rider accelerates, both cylinders
resume operation. And by maintaining
constant rpm during rear cylinder
“shutdown,” transitions between one and
two cylinder operation are nearly seamless.
EITMS is purely for rider comfort. When it
activates and “shuts off” the rear cylinder, it’s
not because the motor is overheating. It’s
designed to reduce the heat radiating from
the rear cylinder to the rider"
"During hot idle, or when the motorcycle is
off-throttle and running at hot temperatures,
EITMS shuts off fuel to the engine’s rear
cylinder, leaving it to idle on the front
cylinder only. Without combustion, the
rear cylinder and exhaust header will begin
to cool, bringing relief to the rider (and
passenger) soon after. Once the rear cylinder
cools to a predetermined temperature, or as
soon as the rider accelerates, both cylinders
resume operation. And by maintaining
constant rpm during rear cylinder
“shutdown,” transitions between one and
two cylinder operation are nearly seamless.
EITMS is purely for rider comfort. When it
activates and “shuts off” the rear cylinder, it’s
not because the motor is overheating. It’s
designed to reduce the heat radiating from
the rear cylinder to the rider"
Advanced
Joined: Oct 2009
Posts: 85
Likes: 5
From: Vancouver B.C.
I have a 2014 Dyna Super Glide. I bought her new 3 weeks ago. I noticed yesterday and then again today when I sit at a long red light there is a bog and a weak throttle response when the light turns green. Anyone else experienced this? This is my daily driver and I drive about an hour each way and there are a bunch of lights, I feel the heat coming off the motor at long lights, but could this be an overheating issue?
The twin cam runs lean by design so consequently runs hot. An easy fix is to install an inline enrichening device or IED.
Simply a set of wires that plug in inbetween your o2 sensors and computer...plug and play.
What it does is make the computer richen your air/fuel ratio which drops your engine temperature dramatically.
read more about them here:
http://sales.nightrider.com/
Tons of riders here swear by them. Me included.
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