VERTEX UK PISTON KIT           23127A   COMPR 12,5:1   (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.

SPECIFICATION:

• BORE SIZE. 77.00mm [A   76.94mm]

Replacement Parts.

• Rings.   590377000001 SET
• Pin.   715381
• Clips. 72055

Cross reference numbers ONLY.

• Piston (Std) 5NL-11631-20-00
• Piston Ring Set (Std) 5NL-11603-00-00
• Pin, Piston 5NL-11633-00-00
• Circlip 93420-16086-00

MODEL FITMENT

• FANTIC MOTOR TF 250 ES 2012-2014 COMPR 12,5:1
• YAMAHA WR 250F 2001-2014 COMPR 12,5:1
• YAMAHA YZ 250F 2005-2007 COMPR 12,5:1