VERTEX UK PISTON KIT         23738B   Compr 14,2:1 GP Racer Choice   (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.   77.00mm   [B   76.96mm]

Replacement Parts.

• Rings.   590277000002   SET
• Pin.   711195
• Clips. 72055

Cross reference numbers ONLY.

• Piston (Std) 17D-11631-90-00
• Piston Ring Set (Std) 17D-11603-00-00
• Pin, Piston 17D-11633-00-00
• Circlip   93450-17129-00

MODEL FITMENT

• YAMAHA YZ 250F 2008-2013 HC COMPR 14,2:1 GP RACERS CHOICE