PISTON KIT 1030cc Z1-Z1000 (70.5MM)

THIS IS A 1030cc (70.5mm) PISTON AND RING SET FOR THE 900/1000 MODELS. 

YOU GET:

• 4 PISTONS
• 4 RING SETS
• 4 PINS
• 8 CIRCLIPS. 

THIS WILL BE A 4.5mm OVERSIZE KIT FOR THE 900 MODELS AND 0.5 O/S FOR THE Z1000 MODELS. 

Note - the 1.0 on the top of the piston denotes first over size, NOT 1.0mm!

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 )