So my frame is an 86 and I believe I have an 86 swingarm. I think the shock is an 86 also. I'll measure when I get home. The problem is the linkage I think. The center dog bone bushing ID is 12mm. The main bolt that goes through the shock and linkage is 12mm. BUT the shock holes are 14mm and the 2 outer linkage bushing ID are 14mm. Makes it super sloppy. Mismatched parts?? Thanks Jason