Just bought a high pressure radiator cap to put on my rc390 cup bike without checking what it came with, turns out it's 1.4 BAR. Does anyone know if this is stock or cup only?
Thanks!
Hello everyone.
Does anyone's RC390 have radiator fan problem?
My RC390's radiator fan didn't work when I rode today. The coolant temperature kept rising. When riding, suddenly the engine cut off while the RPM reached to 3000 ~ 4000. I guess it's a overhearing problem due to the broken...
Here's a cheap solution to controlling you cooling system. Replace the junk radiator cap with this high quality 1.6 bar cap. Reduces boil based cavitation and resists puking.
$19 MNNTHBX - Enter
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So we have finished our Plug-n-Play LED Headlight Package that has 1 on Low, and BOTH on HIGH. (like the rest of the world has. )
Works great.
Looks Great.
The LED Headlights are so much brighter then stock of course.
Right now, we are currently just putting it through the paces, to...
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fairing
front
guys
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idea
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mounts
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anyone have a step by step for flushing the radiator fluid? I need to put some coolant in and Ive never done it before...I also lost my manual so I have nothing to go off of. Thanks guys
Looks like it will protect the radiator well…. about a 5 minute install.
I am also going to install a set of Samco (blue) radiator hoses and water-lines. (as soon as they arrive)
They make 2 different kits, I'm getting the set with the thermostat by-pass. That should/will real cool thing down ...
I just noticed my radiator fluid is at the minimum line today. I have less then 100 miles on the bike. The guy from the shop says that is normal. I have a hard time believing that.