Originally Posted by
slither
Sorry I missed that... I remembered that someone had said it and his was the first reference I came across when I looked. OK, so SrTelemaster150 and hpergm both nailed it! Good call!
If you take the bore of the FG-61T and the FA-150 based stroke of the FA-450/FG-84, x 3 it comes out to 89.9992 cc.
By doing this, Saito is skirting any kind of design liability for the FG-84R3 faults.