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Engine Idle
#1
Yes,with almost any new model,one has to work out the
kinks.Thus far the CB 1100 has but a couple.
The Fuel gauge and the engine idle.Also the peg placement,but
that is more personal { Older riders need more forward placement }
Yesterday I took a short ride to gas up because Winter is
approaching and I might not be able to ride for awhile.I usually
can manage a few days in December and also January.But only
once in a Feburary { Coldest month }.
The engine idles for more than 4 minutes.Hondas usually are mapped for a 3 minute idle.That works out nicely for when you check
the oil level.Let the bike run for 3 minutes and off for 2 minutes.
But yesterday which wasn't cold I decided to re-check the oil level.
I use a 4 minute On and 2 1/2 minute off procedure.
The manuel states 3-5 minutes on and 2-3 minutes off.So,it's
within range.
The problem with an extended idle is that engine will slightly
overheat.And when an engine is in Idle,the clutch engages differently.Start out on a motorcycle in full idle and go to engage the
clutch and shifter and it will clunk hard.I don't like doin' that.
Any thoughts
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#2
I've noticed an excessively long warm up on mine too, well excessive IMO, maybe not in Hondas opinion, and usually take off while it is still in high idle mode. It's weird to come up to the first stop at the end of the street which is .7 mi away, and pull in the clutch and have the rpms hanging up there, when you know you've rolled the throttle off. Since this is all controlled by computers and sensors, there is no way around it.

All my motorcycles clunk when engaging first gear from idle and I'm told it is because first gear is not spinning when first engaged so I don't worry about it. Nature of the beast.
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#3
(12-05-2013, 12:26 AM)The ferret_imp Wrote: I've noticed an excessively long warm up on mine too, well excessive IMO, maybe not in Hondas opinion, and usually take off while it is still in high idle mode. It's weird to come up to the first stop at the end of the street which is .7 mi away, and pull in the clutch and have the rpms hanging up there, when you know you've rolled the throttle off. Since this is all controlled by computers and sensors, there is no way around it.

All my motorcycles clunk when engaging first gear from idle and I'm told it is because first gear is not spinning when first engaged so I don't worry about it. Nature of the beast.

I'll have to adapt.In the colder months it's not a problem at all.
But in the middle of summer it sure will be.What I used to do
wasn't really advisable either.Back about 6 years ago I never
let the idle kick down.I started up my bikes and just took off.
Coasting slowly down the hilly street my home resides.Then
and especially on the Rune I would shift into 2nd gear and
California stop at the stop sign at the bottom of my street.
I did that because I have a phobia about an engine and letting
it just idle.Heat is the biggest enemy of an engine.Plus
Frick & Frack the Tappit Bros. of - Car Talk - explained once that
a car doesn't really need more than maybe 20 or 30 seconds to
warm up in Winter.There was no advantage to let it sit for like
5 minutes,other than to reach operating temperature.It is not good
to start up an engine,and take off and hit the Interstate within
minutes.That is why I don't understand { and like most Bikers
do this } Starting up their engine and revving the hell oughta.
Maybe for a old model with carbs that are gummed up with carbon.
More because the engine will stall out otherwise.
But I'm of a different school.
I Never Blip my Throttle.
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#4
Purely speculation but this may be a possible explanation. A lot of newer cars will start and rev up a bit when you start them. I am told this is done for emission regulations. It gets the cats up to temp quicker and reduces pollution. Only a Honda engineer could say for sure but I bet emission regulations have something to do with the long high idle you speak of.
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#5
I've been shifting to second then to first after start up, still cluncks but just a little less.
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#6
(12-05-2013, 01:09 AM)OldF7Guy_imp Wrote: Purely speculation but this may be a possible explanation. A lot of newer cars will start and rev up a bit when you start them. I am told this is done for emission regulations. It gets the cats up to temp quicker and reduces pollution. Only a Honda engineer could say for sure but I bet emission regulations have something to do with the long high idle you speak of.

Could be.because make no mistake.Carbureted Motorcyles
are finished.By act of Congress.I think it started in Calif.
Can one even buy a new 2 stroke motorcycle at a dealership
in California.?
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#7
You wanna hear a clunk when you shift from N to 1st? Ride a buell blast!

On the high idle could that be changed if you changed the fuel map?


Sent from my iPhone using [url=http://tapatalk.com/m?id=1]Tapatalk
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#8
(12-05-2013, 01:09 AM)OldF7Guy_imp Wrote: Purely speculation but this may be a possible explanation. A lot of newer cars will start and rev up a bit when you start them. I am told this is done for emission regulations. It gets the cats up to temp quicker and reduces pollution. Only a Honda engineer could say for sure but I bet emission regulations have something to do with the long high idle you speak of.

I'm pretty sure its to bring the cat and o2 sensor up to temp quicker. Even though the o2 has a heater. I never let a bike idle more than about 2 min unless in front of an electric fan. I chk oil after ridind at least a few miles when everything is at operating temp.

my kid used to leave for work before daylight. He'd let his 650 single idle while he sat inside with a cup of coffee. One morning I woke up and looked out the window to see the exhaust pipe glowing cherry red. I think that's when I called him an idiot.
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#9
(12-05-2013, 02:37 AM)kenfyoozed_imp Wrote: You wanna hear a clunk when you shift from N to 1st? Ride a buell blast!

On the high idle could that be changed if you changed the fuel map?


Sent from my iPhone using [url=http://tapatalk.com/m?id=1]Tapatalk

Actually that's: shift ANY Harley..."
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#10
Many Guzzi's are the same. My old Quota was pretty bad, the Griso, not so much.
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