Help!!!! - Kawasaki Ninja 250R Forum
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post #1 of 15 (permalink) Old 12-03-2008, 01:33 PM Thread Starter
 
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Unhappy Help!!!!

My 250 is extremely hard to start,it takes about 5 minutes to get it going.Once it starts it seems to be ok.What suggestions does anybody have?
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post #2 of 15 (permalink) Old 12-03-2008, 03:20 PM
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Are you using the choke?


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If you feel like you've outgrown your 250, you've probably outgrown your helmet too.
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post #3 of 15 (permalink) Old 12-03-2008, 04:57 PM
 
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I too have a little trouble getting it going when it's under 60 degrees.

I have to start 'er quarter choke at 5% throttle while increasing choke to full,
all the while tapping the throttle a bit.
Once it's running for 5 to 10 seconds, she'll run and warm up in about 3 min at full choke.
Kinda gotta finesse her like a women, but once she's hot, ooooooo LOOKOUT!

(BTW, I'm running 20-W50 Mobil 1 V Twin oil @ 2200mi.)
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post #4 of 15 (permalink) Old 12-03-2008, 04:57 PM
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Yep. If the choke isn't on then that could be part of it. Also given that 250's have a carburetor they have a tendency to stay cold and not start as quickly.
Is your bike jetted?

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post #5 of 15 (permalink) Old 12-03-2008, 05:38 PM
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Quote:
Originally Posted by SubZero View Post
Yep. If the choke isn't on then that could be part of it. Also given that 250's have a carburetor they have a tendency to stay cold and not start as quickly.
Is your bike jetted?
What is jetted?

Mine starts right away, no choke needed, but then again I'm in Phoenix.
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post #6 of 15 (permalink) Old 12-03-2008, 07:14 PM Thread Starter
 
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Yes the choke is used and it is not jetted.It is just plain hard to get started.I have drilled out the covers and turned the idle air mixture screws which made a big improvement in keeping it running once it starts. I'm hoping someone out there has found a common problem and resolved it.
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post #7 of 15 (permalink) Old 12-03-2008, 07:54 PM
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My bike used to be hard to start when cold outside, mornings especially. After I had it jetted, I haven't used the choke once.

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post #8 of 15 (permalink) Old 12-03-2008, 11:27 PM
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Quote:
Originally Posted by munchkin View Post
Yes the choke is used and it is not jetted.It is just plain hard to get started.I have drilled out the covers and turned the idle air mixture screws which made a big improvement in keeping it running once it starts. I'm hoping someone out there has found a common problem and resolved it.
It seems to me that modifying the air mixture may have something to do with it. How well did it start before you turned those screws? If it was ok before and is having problems now, common sense says that's the problem.

Jetting is when you install aftermark jets into the carbuerator to increase or decrease the amount of fuel that gets shot into the carbs in relation to the throttle. That's my layman's understanding of it at least.


https://www.250r.net/forum/image.php?type=sigpic&userid=2&dateline=1217136591

If you feel like you've outgrown your 250, you've probably outgrown your helmet too.
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post #9 of 15 (permalink) Old 12-04-2008, 03:04 AM Thread Starter
 
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it has always been hard to start.It is an 04 we bought in july 08 with 18 miles on it.others are telling me to clean the carbs out because they are gummed up inside.
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post #10 of 15 (permalink) Old 12-04-2008, 09:32 AM
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Quote:
Originally Posted by munchkin View Post
it has always been hard to start.It is an 04 we bought in july 08 with 18 miles on it.others are telling me to clean the carbs out because they are gummed up inside.
I had a jetted 04 and it was NEVER hard to start. Adjust the idle air mixture back to the stock settings, clean the carbs and have the bike jetted and it will be fine. At the very least clean your carbs. During the fall /winter months most of the time you will have to put the choke all the way on in order to get the bike to start up and sometimes even leave it half way on to get her to warm up fully after 10 mins.

Also if your bike only has 18 (???) miles on it, it's not even close to being broke in and so it's going to run a little rough. Break it in slowly and that will help.

Zmoe - Great description of what jetting is.

Yes I'm a
08 Monster Energy (replica) 250R
WARNING! Psychological Nudity. Adult content. Viewer discretion is advised.
Be mischievous. It feels good.
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