PISTON KIT VERTEX 81.5 HONDA TRX 350 85-89, VERTEX 23164050 OS +0.50
VERTEX UK PISTON KIT 23164050. 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 81.50mm OVERSIZE +0.50mm [OS 81.47mm]. Replacement Parts: Rings. 590381500001 SET. Pin. 711164. Clips. 72067. Cross reference numbers ONLY. RING SET, PISTON (STD) 13011-HA5-305. RING SET, PISTON (OVER SIZE) (0.25) 13021-HA5-305. RING SET, PISTON (OVER SIZE) (0.50) 13031-HA5-305. RING SET, PISTON (OVER SIZE) (0.75) 13041-HA5-305. RING SET, PISTON (1.00) 13051-HA5-305. PISTON (STD) 13101-HA5-010. PISTON (OVER SIZE) (0.25) 13102-HA5-305. PISTON (0.50) 13103-HA5-305. PISTON (OVER SIZE) (0.75) 13104-HA5-305. PISTON (1.00) 13105-HA5-305. PIN, PISTON 13111-HA5-000. CLIP, PISTON PIN (21MM) 94601-21000.
- SKU
- 23164050
- Brand
- Vertex
- Availability
- Out of Stock
FULL DESCRIPTION
Vertex Piston Kit OS +0.50mm - 81.50mm Bore
This Vertex Piston Kit is designed for high-performance and reliability, offering an exact OEM replacement with enhanced durability. All Vertex pistons undergo a rigorous T-5 or T-6 hardening and tempering cycle for superior strength and longevity.
Key Features:
- Standard pistons and components are direct OEM replacements.
- Complete kit includes 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 available individually for future maintenance.
- Proudly made in Italy.
- Fitted as standard equipment (STD) in many OEM motorcycles.
Specifications:
- Bore Size: 81.50mm
- Oversize: +0.50mm
- Effective Bore: 81.47mm
Included Components:
- Piston
- Rings
- Wrist Pin
- Circlips


