PISTON KIT VERTEX 77.0 D YAMAHA YZ 250 08-13, VERTEX 23391D COMPR 13,5:1

VERTEX UK PISTON KIT         23391D   Compr 13,5:1   (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.

SPECIFICATIONS

• BORE SIZE.   77.00mm   [D   76.98mm]

Replacement Parts.

• Rings.   590377000001 SET
• Pin.   715381
• 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 COMPR 13,5:1