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[QUOTE="cheapo, post: 1417220, member: 40195"]
Revisiting this thread.  A while back I did a full flush and refill, bled the air through the screw on the cylinder head and filled the overflow.  After a recent ride, I noticed I lost some coolant (the overflow was empty and the coolant was low in the radiator).  When I refilled the radiator I noticed that when I screwed on the radiator cap, it screwed past the tabs on the radiator - as if it was stripped.  It took some effort to do that, but on the other hand it seemed too easy.  So this leads me to believe I may have some discharge from the cap - so it's probably time to replace the cap (it's the original cap on a 2000 kdx 200).  I've read some threads here about using a higher pressure cap (a 1.6 kg/cm2).  However I'm not clear if this causes unintended consequences - ie higher temps and worse off for overheating.  Keep in mind I am using the Devol radiator guards so I understand that holds in a little heat as well.  I saw a CV4 high pressure cap (30 psi which I believe equates to +/- 1.6) on Rocky Mtn MC.

I've also read a lot about Evans vs. water wetter vs coolant.  I am currently using std 50/50 mix right now.

Any thoughts on replacing the std cap with a higher pressure cap as shown above as a viable solution?

Thanks in advance.
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