60mm between bolt hole centres. 5 pins. SH691-12. Made in Japan. Replacement aftermarket part for Honda OEM 31600-KFG-860, 31600-KFG-861, 31...
Bore size 54.00mm. Gudgeon pin outer diameter 16mm. Crown height 25mm. Piston length 64mm. Ring peg position 27mm. 2 stroke. Without ports. ...
