Idling at 4K rpms once warmed up?!

Kcross24

New member
I recently changed my spark plugs on my 2013 FZ8 and after putting everything back together I started up my bike and it starts to idle normal at 1100-1200 then once the engine temp hits around 145 the rpms start climbing up to 4000 and then the engine quickly overheats and I'm forced to turn it off. From what I've found online it's most likely a pinched vacuum hose but I have no clue where that is or how I pinched it. I did drop the radiator in order to get to the spark plugs. Does anyone know what might be wrong or where the vac hose is located?

P.S. I'm not very mechanically inclined. I'm just too poor to pay someone else to work on my bike lol.


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Last edited:

Kcross24

New member
messed around with a few of the hoses and zipties I had readjusted then topped off the coolant in the radiator and everything went back to normal.
 
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