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Old 02-04-2014, 06:38 PM   #1
NforS88
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Ninja 250r carbs (i think)

If anyone on here knows a cheaper way to fix/clean the carbs on my bike (outside of the $500 i was quoted for taking it to the dealer), any info would be greatly appreciated. First bike and know literally NOTHING about this and have no problems learning how to and doing it myself, just low on cash and would rather not shell out the 500.

Btw, the issue I'm having with it is it's not accelerating, or maintaining any kind of speed. Started Friday afternoon and was in 6th gear, throttle fully open, and watched my speedometer drop from 80, to 75, to 70, to 65, finally holding steady at 60mph. Now the bike is not accelerating without having the choke fully open/on; it's like I'm trying to ride through a major snow drift, even in, top gear.

Any help, advice, tips, or tricks would be greatly appreciated.

Thank you all in advance.
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Old 02-04-2014, 06:52 PM   #2
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Have you checked your Air intake to make sure these is nothing restricting the air flow into the carb?
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Old 02-04-2014, 07:13 PM   #3
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How to?
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Old 02-04-2014, 07:15 PM   #4
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http://www.ehow.com/how_12213199_cle...ninja-250.html

My personal opinion...if this solves your problem, sell it for top dollar and get a slightly older bike that is fuel injected. You'll never look back.

Edit...while your in the process of removing everything, check for foreign objects as previously stated and you can avoid having to go through the rest of this process.
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Old 02-04-2014, 07:52 PM   #5
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Quote:
Originally Posted by Shelnutt View Post
http://www.ehow.com/how_12213199_cle...ninja-250.html

My personal opinion...if this solves your problem, sell it for top dollar and get a slightly older bike that is fuel injected. You'll never look back.

Edit...while your in the process of removing everything, check for foreign objects as previously stated and you can avoid having to go through the rest of this process.
Good link!
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Old 02-04-2014, 08:01 PM   #6
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Thank you all.

One other quick question: is there anyone on the southeast side (clear lake, Webster, league city, friendswood, etc) that would like to help show me this, process, as i can't really afford to mess it up? Would be happy to compensate. PM me and lemme know if you'd be so kind.

Again, thnx in advance.
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Old 02-04-2014, 08:17 PM   #7
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Quote:
Originally Posted by NforS88 View Post
Thank you all.

One other quick question: is there anyone on the southeast side (clear lake, Webster, league city, friendswood, etc) that would like to help show me this, process, as i can't really afford to mess it up? Would be happy to compensate. PM me and lemme know if you'd be so kind.

Again, thnx in advance.
I haven't messed with the carbs yet, but when I do I'll let you know. I'm sure someone on Mh can offer some experience for you.
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Old 02-04-2014, 08:39 PM   #8
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Good link!
I notice you're rocking a ninja 250 now too. I liked the 600! Does it get better mileage or something or do you have two track toys now?
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Old 02-04-2014, 08:46 PM   #9
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I haven't messed with the carbs yet, but when I do I'll let you know. I'm sure someone on Mh can offer some experience for you.
From what I hear carbs aren't as complicated as they seem at first glance. They are just intimidating. It's like most DIY projects I'm assuming...it seems really hard until you actually do it. I'm just totally paranoid about something up or not running at optimal conditions...plus with my vehicles I just like to turn the key and go, so I prefer the FI. If you're the kind of guy who likes turning a wrench or fine tuning things I would think you may prefer carbs

My cousin is great with carbs he races go karts...but he live in florida.
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Old 02-04-2014, 08:50 PM   #10
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Quote:
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I notice you're rocking a ninja 250 now too. I liked the 600! Does it get better mileage or something or do you have two track toys now?
They are both street/track. The 600 wasn't ridden that much anymore and I saw how much fun my friends were having on the 250's. Plus I like putting mods on a bike to make it faster. It gives me something to do until work calls again. My wife told me the 600 scared her so I figured a 250 would be safer for her also.
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Old 02-04-2014, 08:56 PM   #11
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Quote:
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They are both street/track. The 600 wasn't ridden that much anymore and I saw how much fun my friends were having on the 250's. Plus I like putting mods on a bike to make it faster. It gives me something to do until work calls again. My wife told me the 600 scared her so I figured a 250 would be safer for her also.
Seems like a good trade off. now you have the best of both worlds. You have the liter bike and the ultra lite 250. Plus if the wife is comfortable on it thats even better!

If I had a track bike it would be a 250. You can ride it as fast as you want without worrying about expensive repairs.

I need to stop this crazy thought of a second bike. I was only supposed to buy one and keep it forever!
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Old 02-04-2014, 08:58 PM   #12
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Quote:
Originally Posted by Shelnutt View Post
From what I hear carbs aren't as complicated as they seem at first glance. They are just intimidating. It's like most DIY projects I'm assuming...it seems really hard until you actually do it. I'm just totally paranoid about something up or not running at optimal conditions...plus with my vehicles I just like to turn the key and go, so I prefer the FI. If you're the kind of guy who likes turning a wrench or fine tuning things I would think you may prefer carbs

My cousin is great with carbs he races go karts...but he live in florida.
That's cool. I enjoy turning a wrench. I'm going to call Bill tomorrow and see if he has a shop manual for it. If I can get my CMRA license I want to start on a 250 endurance team. The next school for it is on the 14th.
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Old 02-04-2014, 09:04 PM   #13
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Quote:
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Seems like a good trade off. now you have the best of both worlds. You have the liter bike and the ultra lite 250. Plus if the wife is comfortable on it thats even better!

If I had a track bike it would be a 250. You can ride it as fast as you want without worrying about expensive repairs.

I need to stop this crazy thought of a second bike. I was only supposed to buy one and keep it forever!
All true. Everything is easier and cheaper with a 250. Changed the plugs, oil, air filter, and cleaned/lubed the chain today. Taking of stuff for less weight, and going to order an exhaust system Thursday.
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Old 02-04-2014, 09:24 PM   #14
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So...it seems like you're overhauling this for the track. Maybe you and OP could get together and give each other a hand. You could make sure your carbs are top notch and in the process fix his. You have a pretty legit setup in the garage.

Endurance racing sounds pretty cool...again especially in the 250 class. how many miles are the races generally? IMO definitely a lot safer and more technical than sprint races in the 600 or 1000.
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Old 02-04-2014, 09:33 PM   #15
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Quote:
Originally Posted by Shelnutt View Post
So...it seems like you're overhauling this for the track. Maybe you and OP could get together and give each other a hand. You could make sure your carbs are top notch and in the process fix his. You have a pretty legit setup in the garage.

Endurance racing sounds pretty cool...again especially in the 250 class. how many miles are the races generally? IMO definitely a lot safer and more technical than sprint races in the 600 or 1000.
Thanks. I can help, but I'm in Crosby. I haven't touched a carb since 1990. I'll get a shop manual an read over the process a few times before I try it out.

I don't know how many miles the races are, but I think they last 6 hours between 4 riders on the same motorcycle.
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Old 02-04-2014, 09:49 PM   #16
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I just jetted our 250's carbs...I'm a girl...you should be able to handle it.
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Old 02-04-2014, 09:54 PM   #17
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I just jetted our 250's carbs...I'm a girl...you should be able to handle it.
Can you help NforS88?
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Old 02-05-2014, 01:51 AM   #18
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What's the mileage of the bike? How often is/was it ridden?
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Old 02-05-2014, 02:00 AM   #19
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The master of the 250 has arrived! I have questions also since I have fallen to your doom.
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Old 02-05-2014, 02:11 AM   #20
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Thank you Cuong. Watching videos. Miss you bro! How have you been?
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