Noobie 2 Stroke Related Question - Oil In Engine

[wordslinger]

You might want to check your reeds if you had a faulty petcock. With all that fuel and oil sitting in there will surely do some fun things to the reeds.

LMK, ..What will that do to the reeds?

..and is the "damage" reversible without replacing?

[LoveMyKymco]

The fuel will help deteriorate the reeds if theyre fibreglass or carbon fibre. They can become weak, crack, or become brittle. If you have metal ones you should replace them before they damage the reed block from use.
I change my stock fibreglass reeds with malossi and polini CF reeds I get in the bore kits. They work great and you get a lot of seasons out of them. But even still, I never let mine go over 5k miles before replacing.

[LoveMyKymco]

One of the best things you can do for great low end and cheaply is replace the stock fibreglass ones with stiffer carbon fibres or dual stage Boyesen fibreglass. You will get easier start up as the reeds will make a good seal, better low end response, easier throttle transition as they wont just fling open, and easier cruise-ability. Only thing you will not gain from changing the stock reeds to CF is the high end, nothing gets better high end than loose reeds.
That reed block youre looking at is a CT chrome copy, you can often find them for sub 30$ from china which is a close neighbor to taiwan. Ive noticed on the cheap copies Ive seen you will have to fix a lot more casting flaws than an OG CT chrome. You still have to finish the CT even in non parodied fashion. In my opinion you cant go wrong with a true CT Chrome and a KX65/RM65 V Force 3 reed block. Also the reed block they supply (OG or copy) is a sub par quality block and be careful not to over tighten the manifold halves. It will crack and leave it totally useless, unless you have kx65 cages laying around like I do. Learn from my mistake and be careful tightening..

[wordslinger]

That is some good info LMK, I have a new set of OEM reeds in my S9 daily rider...

..you say you replace them at 5k miles, wow..i said "new", but I have waaay over that many miles on them...

[LoveMyKymco]

Replacing them before they break is key, when the fibreglass ones break they fly into the cylinder or case and melt and leave a large amount of carbon left over, the CF ones will just shoot out the exhaust eventually. Either way it will end in a catastrophic engine event.