PISTON KIT VERTEX 66.4 A YAMAHA YZ/WR 250 99-23 RACE, VERTEX 22591A SINGLE RING

VERTEX UK PISTON KIT         22591A           (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.   66.40mm   [A   66.35mm]

Replacement Parts.

• Rings.   53010006640


• Pin.   715372


• Clips. 72074

Cross reference numbers ONLY.

• Piston (Std) UR RED 1P8-11631-00-A0


• Piston (Std) UR ORANGE 1P8-11631-00-B0


• Piston (Std) UR PURPLE 1P8-11631-00-D0


• Piston (Std) UR GREEN   1P8-11631-00-C0


• Piston Ring Set (Std) 5CU-11603-10-00


• Pin, Piston 5UP-11633-00-00


• Circlip 93450-19052-00

MODEL FITMENT:

• YAMAHA YZ/WR 250 RACE 1999-2023 SINGLE RING