Yes it will fit and the advantage would be uneven compression and dual cooling.
If you want to know the bore size you might be able to read the markings on top of the pistons through the spark plug hole using a small inspection light.
I would run the cooling line from the back of the head to the bottom of the head pipe and from the top of the head pipe to the chamber dump. Also you'll want to run a flow control valve into the chamber with the restrictor touching the pisser right after the T-fitting. Any Home Depot or hardware...
Insert a razor blade at the corner of the decal to lift it up then pull back very slowly at an angle to remove it and use xylene to remove the adhesive.
You would need to supply the case top & cylinder to the machine shop and boring the case to accept the bigger diameter sleeves would be around $60 to $80.
It depends on the production date of your head.
Protec Cast Rec Head O-rings:
Style 1*, viton, -043, pack of 10, viton: 5267T57
Style 2*, viton, -153, pack of 2, viton: 9464K114
Bingo.... grind the back side of the screws using a Dremel tool with a carbide burr or they'll break off inside the throttle shaft and then you will be screwed.
I would use a non ported 61X cylinder to start with and the standard NW big bore sleeves because the transfer & boost ports are 2mm lower with extend floors to accommodate a 5mm stroker crank with the stock length rods. If you want to use an 8mm crank with the longer rods you'll have to find a...
Just make one out of fiberglass or cf and it will be less than half the weight.
The aluminum plates need reinforcement ribs because the metal is so soft. I wouldn't recommend machining them down because it will just end up breaking IMO.
I ended up making my own fiberglass plate from a mold...
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