VERTEX UK PISTON KIT         24092B   US PRO Comp. 13,8:1   (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 [B   76.96mm]

Replacement Parts.

• Rings.   590277000005 SET
• Pin.   711195
• Clips. 72055

Cross reference numbers ONLY.

• Piston Assy 1SM-116A0-10-00
• Piston (Std) 1SM-11631-10-00
• Piston Ring Set (Std) 1SM-11603-00-00
• Pin, Piston 1SM-11633-20-00
• Circlip 93450-17129-00

MODEL FITMENT

• YAMAHA YZ 250F US-PRO 2015-2018 HC COMPR 13,8:1