1988 Wr 430

Can anyone give me the correct part number for the cylinder for this bike? The cylinder I have is stamped 1614574 and the bore measures 82.71mm. If this is the correct cylinder, could it be bored to the correct size? Or would it need a new sleeve?

For an 88 430WR the part # is 16 14 488-01 (see page from parts book). With a bore of 82.71, it looks like it might be for an earlier 400. What are the first 4 digits of the engine #?

I found a cylinder with the same part number that I posted with a bore of 86.99mm, would this work for my wr?

if memory serves and it's been a while
the 430 is a larger bore 400, same casting hence the cast number being the same
the 430 uses a larger sleeve, they share a stroke, so 400- 430 is a cylinder and piston swap
obviously more power, cost is vibration
same pipe, same crank, same carb (different jetting), same intake, etc
hope that helps

Definitely helps. I thought this was right but wanted to put it out on here. Thanks