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Author Topic: Riding choked on this cold-natured beast!  (Read 561 times)
FBK
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« on: February 06, 2012, 12:53:23 PM »

My 650 is awfully cold-natured. Outside temp can be 50s-low 60s and I still have to let it warm up for a few minutes before I can ride without having to over-rev from a dead stop. If the temp is in the 40s I might have to let it warm up for 5 mins or more.

Here's my process when starting from cold:
I set the choke @ about 3/4ths (any higher and I'm in danger of getting the "shotgun blast" backfire" when I try to start it)

Hit the starter, she starts right up.

Immediately pull the choke a little higher (maybe 7/8ths) to idle up and start warming up

After about 45-60 seconds I can back the choke all the way to zero and let it warm up at an idle. However, if I try to rev the engine it has that "I'm still cold, don't rush me" hesitation). No worries. I let it warm up at idle while I grab my backpack and get zipped, gloved, helmet, mount... and it's usually ready to go.

Once I see at least 2 bars on the temp gauge, I know I'm good to go.

The other day I was leaving the gym. The bike had been sitting only an hour but it was still a little "hesitant". So, since I only had to drive like, a block and a half, I put the choke at about midway and it ran fine for my short trip back to the office.

My question is: Is it OK to ride the 650 with the choke partially engaged until the bike fully warms up?

Is this a no-no?

I realize you should always let any vehicle warm up to operating temp before driving, but what's a good rule-of-thumb for a minimum time/temp?

One minute? One bar?

Or is the answer "Until your throttle behavior is no different than when riding a fully warmed-up bike"? In other words, is the rule "If you have to choke it or over-rev it... wait"?
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Kawboy
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« Reply #1 on: February 06, 2012, 01:55:24 PM »

Riding your bike partially choked will not hurt the bike, but may use more gas than normal. They do take longer to warm the colder it gets out, but if it takes longer than it used to, and you had it sit for several weeks, maybe something is getting a little plugged up in the fueling system. Try running some Sea Foam through the gas and see if that helps.
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Mike the Bike
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2007 GV650 United Kingdom


« Reply #2 on: February 07, 2012, 06:03:25 AM »

Mine does exactly the same, let the old girl warm up first as the most engine damage/wear is done with a cold engine.
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650s
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« Reply #3 on: February 07, 2012, 07:48:51 AM »

Or is the answer "Until your throttle behavior is no different than when riding a fully warmed-up bike"? In other words, is the rule "If you have to choke it or over-rev it... wait"?

Exactly.  Riding choked won't hurt the engine, but as Mike stated, running cold could.   

Ditto on the Seafoam.  It won't hurt in any case.  Pour half a can in the tank when you are filling up.  Put a quarter can in the tank for the next two fill-ups.  Make sure have 1oz per gallon any time you park the bike for an extended time. 



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Nate
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« Reply #4 on: February 07, 2012, 08:05:13 AM »

Just my 2cents but, cold natured bikes can usually be helped by going up one on the pilot jet and tuning the A/F mixture screw.
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Nate
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DynaRider11
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DynaRider11


« Reply #5 on: February 07, 2012, 09:17:14 AM »

Sounds like you are doing the same routine as me FBK.  My bike is a 1300cc carbed model and she is very cold natured.  I always let her warm up for about 5 min, before taking off, but if I don't have that much time I run about 1/2 choke for a few miles until it reaches operating temp.  Don't want to dump it at a stop light cause I stalled it.    Roll Eyes
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diverse
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« Reply #6 on: February 08, 2012, 05:55:32 AM »

I have only owned carb bikes and I had to let both of them warm up
at least a few minutes back in the day we used to have to let the car warm up back when they were carbeurated

so it is nothing unusual to me

but we live in such a fast paced world today
the five minutes probably seems like a big inconvenience
but it doesent have to be
warm up your bike while you are brushing your teeth or drinking your cofee or whatever 3-5 minute thing you do before you leave your house by the time you finish doing that thing and put on your cold weather gear your bike is ready
no time wasted.

it just requires a little fore thought
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650s
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« Reply #7 on: February 08, 2012, 07:51:13 AM »

but we live in such a fast paced world today
the five minutes probably seems like a big inconvenience

In the fast paced world today, I go out of my way for five minute diversions.  "Leave me alone -- can't you see I'm warming up my bike."  My bike isn't very cold natured and I still use that excuse.

If I'm in that big of a hurry I should've left sooner.
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diverse
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Posts: 270


« Reply #8 on: March 06, 2012, 02:52:34 PM »

lol

I am sorry  it took so long

I just read this too funny
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