Modifing the stock head for more compression 90cc 2 strokes
#1
#3
Modifing the stock head for more compression 90cc 2 strokes
On the LT 50,80 they have a decent head design so .030 off the head works. On the "chiwanese" quads like you'r eton theres way more clearance in the head than is needed. /030 or .040 wont help much. The head also has a very dated and poorly designed squish chamber with a raised ring in it that will hit your piston if you try to get the dome down to raise compression right. Basically you can get a very good aftermarket cast head for not much $ or a billett one for $100. Thats what I'd do. That will work much better than a milled head on your Eton. Just my $.02
#4
Modifing the stock head for more compression 90cc 2 strokes
Ya, what's up with that ring in the head? I have the better head on my one eton. This is actually for a friends Dinli-it has the same ring. I broke down and ordered a head. I think you're all right. It's not much more $, so we just went for it. We're just trying to get it a bit more torque. Hope that does the trick.
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