Green Liquid leaking out of radiator (CBR600 F4I)

B

badboikilla

Member
Hey all,

I have an 02 CBR600 F4I. I recently changed the fairings of my bike. Before I take off the old fairing I never had this issue. I put the new fairing on and I started the bike. After like 5 minutes, I noticed a green liquid (Could be anti-freeze?) leaking from the top of the radiator. I'm really surprised and anxious since I didn't even do anything. My questions are, 1- what could be the cause? (Note: I didn't turn on the bike for the past 2-3 weeks). 2-Is it safe to ride it to the shop with the leak?

Any help is appreciated....

Thanks,

Kevin
 
it is antifreeze

not safe to ride

you sure you didn't knock/turn/loosen anything? check everything that is connected to the rad for tightness.
 
nokturnal said:
it is antifreeze

not safe to ride

you sure you didn't knock/turn/loosen anything? check everything that is connected to the rad for tightness.
Click to expand...

+1

Sounds like you may have accidentally messed with the rad cap (right side of bike by air duct)... make sure it is turned all the way to the right until it "bottoms" out.
 
why do u automatically say "NOT SAFE TO RIDE"

if its a very small leak, u can get it to your local shop as long as you monitor your temps very closely....
 
Thanks for the response guys. I took the fairings off and checked the cap and the hose. Everything was tight. I turned on the bike and now MAGICALLY it does not leak anymore. WTF??!
 
Depending on how quickly it is leaking, you could run into traction issues. If it drops a puddle at a light and then you take off it gets all over your rear tire. It's better to track the leak down as it sits now. If you don't know where it is coming from, it could be something like a loose hose that pops completely off while you are moving. Once you know where the leak is, how bad it is and the likelihood that it will get worse, then decide whether to drive to the shop to get some help fixing it.
 
Thanks for your informative response. I'll make sure I'll check that out.
 
Red_Liner740 said:
why do u automatically say "NOT SAFE TO RIDE"

if its a very small leak, u can get it to your local shop as long as you monitor your temps very closely....
Click to expand...

You are joking, surely. :confused1: The OP did not even know what the liquid was, how could he judge what would happen and when?

By the time your temp goes up, you are already sliding down the road. I don't have to tell you how bad that feels...
 
the fact that you checked everything and made sure its all tight could be what made the cap and clamps really tight. So you might have fixed it.
 
When u started the bike up the first time and it started leaking how long was the bike sitting there running. was it left on choke too long? was the it in high rev? just asking cause i left my bike to worm on choke and took a phone call in the mean time....came back and antfreeze was everywhere. i did the bone head thing of over warming the bike which boiled over the antfreeze.
 
note: when antifreeze is boiling over its not a leak its like a waterfall of liquid.
 
If you let it idle too long (since you didn't ride for 2-3 weeks) it could be coolant overflowing from the resevior. It happens when you leave it too long. Bikes aren't good at sitting still, another excuse to fight for lane-splitting :p
 
My bike doesn't have a choke. It's an 02 CBR600 F4i. My bike was sitting for about a month before I turned it on for the first time and after like 5 minutes it started leaking. Well I don't see any more leaks . . . I'll let it idle for a couple of minitues tonight as well, see how she does!!
 
To be clear, it doesn't matter how long it was sitting between start-ups, it's about how long it sits in idle before take off... I think you know that just wanted to be clear. All the best.
 
Hi guys!
Thank you for all the useful advice.
I thought I had a problem and antifreeze fluid that i did not have enough, so I opened the radiator cap, but surprise, it was full.
I put the cap radiator, but I did not close until the end. After that it started leaking like a fountain.
Then I found your topic and I stop worry.
 
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