Reference: W2913XC — Brand: WISECO — Designation: PISTON RING SET 74MM. This ring set is designed for 74 mm pistons, intended for 250 cc motocross engines. Ideal for engine refurbishment during a rebuild after wear or piston/cylinder disassembly.

This ring set replaces the original rings and allows for the necessary piston/cylinder fit for proper upper engine operation. Used in servicing, it helps maintain internal engine tolerances and facilitates reassembly before break-in. Suitable for riders and mechanics who want effective maintenance of their thermal clutch and moving parts in muddy or dusty off-road conditions.

Key Points:

• Piston diameter: 74 mm
• Usage: engine refurbishment and maintenance (motocross)
• Replaces worn rings during piston/cylinder change
• Sold as a set, ready to install according to manufacturer recommendations

Compatible Motorcycles (examples):

• YAMAHA TT-R 250 (2007 - 250 cc)
• HONDA XR 250 R (ME08) (2004 - 250 cc)
• HONDA XR 250 R (ME06) (1995 - 250 cc)

Product from the WISECO range, designed to meet motocross requirements. Before installation, check clearances and follow manufacturer instructions for tightening and break-in.