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Discussion Starter · #1 ·
I have a 08 ninja 250r and I'm a pretty new rider but I was idoling while talking to my buddy and he notice my bike was steaming/smoking under me and there was liquid leaking out of the bike because there was a puddle right under where I was sitting. Luckily I was right in front of my house and whipped in and haven't touched it since. This happened about 5 hours ago. Thanks for any help.
 

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Might be time for a coolant change.
Did the fan start up at all? Perhaps you need a new engine temp sensor also.
Are you mechanically minded? I have a copy of the workshop manual available if you are interested that will show you how to do it all.
Send me a PM, with your email listed, and I will send it off to you when I get home tonight from work.
 

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You can hear it come on. Kinda whistles but im curious about the temperature it got to. Did you see the temp? Since your going to need to add coolant now is a time to change it but make sure
Its aluminum safe. And be sure if your going to
Mix it yourself that You use distilled water not tap water
 

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You can hear it come on. Kinda whistles but im curious about the temperature it got to. Did you see the temp? Since your going to need to add coolant now is a time to change it but make sure
Its aluminum safe. And be sure if your going to
Mix it yourself that You use distilled water not tap water
Pretty sure the 250R doesn't have a temp gauge, just a light from memory.
 

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Discussion Starter · #10 ·
Yeah its just a light but I just changed the coolant and put new in and rode it up and down the street and it was fine then I sat and idoled like it did yesterday and it still overheated... no steam just saw the light and heard it boiling I guess is what it was
 

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Discussion Starter · #14 ·
Yall are right the fan isn't working so I guess I'm taking off the plastics and fuel tank and looking at wiring and buying a new fan and maybe thermostat idk I might just do both. Is anyone in the dfw area that might be able to help me?
 

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So first use jumper wires and a test the fan from a 12v power source If that works then then youll need to check the temp sensor and temp sensor relay with a voltage meter shouldnt be too hard to bud. Just needs to get Fixed.
 

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Also, don't overlook the simplest thing, a blown fuse.
 

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maybe you should change the radiator..ninja 250 often get damage from the radiator since no protection cover from the fabric..next buy the cover from accesories store..and finally the coolant etc idemitsu..sorry for my bad english bro..cheers..
 

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Dont spend unnecessary money before checking the simple things first bud. If it comes to a bad radiator then change it but they have ways to fix most radiator problems using a simple water hose with good pressure. Check the fan, fuses, and connections first
 

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Discussion Starter · #20 ·
I honestly don't know for certain what I'm doing so if someone wants to help me out in dfw that'd be great. I know it sounds simple but taking the tank off and everything I want someone who knows what they are doing so I don't mess the entire bike up. if anyone can let me know
 
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