THIS IS A 1030cc (70.5mm) PISTON AND RING SET FOR THE 900/1000 MODELS.
YOU GET 4 PISTONS, 4 RING SETS, 4 PINS AND 8 CIRCLIPS. THIS WILL BE A 4.5mm OVERSIZE KIT FOR THE 900 MODELS AND 0.5 O/S FOR THE Z1000 MODELS.
Std bore on the 900 (903cc) is 66mm and 70mm on the Z1000 (1015cc)
compression ratio of the pistons are 10.25:1.
If you need gaskets, then please order the gaskets for a Z1000.
( OE reference only: 130291003/130255007/92036021/13002022 )