VERTEX UK PISTON KIT           23551A       HC Compr 13,0:1   (Distributed by oro2u.com)

All Vertex Pistons Feature:  
- Standard pistons and components are OEM replacements.
- Kits include piston, rings, wrist pin and circlips.
- All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.
- Replacement rings are sold individually.
- Made in Italy.
- Fitted in many oem bikes as STD.

SPECIFICATIONS

• BORE SIZE. 95.00mm   [A   94.95mm]

Replacement Parts.

• Rings.   590395000001 SET
• Pin.   711140
• Clips. 72075

Cross reference numbers ONLY.

• Piston (Std) 5TG-11631-12-00
• Piston Ring Set (Std) 5TG-11603-00-00
• Pin, Piston 5TG-11633-10-00
• Circlip   93450-22027-00

MODEL FITMENT

• YAMAHA YFZ 450S QUAD 2004-2009 HC COMPR 13,0:1
• YAMAHA YFZ 450R 2009-2017 HC COMPR 13,0:1