Wiseco SK1270 2-Stroke Pro-Lite Piston Kit 69.00mm Standard Bore 696cc

The Wiseco SK1270 is a complete 2-stroke top-end piston kit designed for the Yamaha SRX 700 snowmobile at standard bore. Built around Wiseco's Pro-Lite forged piston platform, this kit delivers everything needed for a proper top-end rebuild in a single, convenient package. Pistons are engineered, forged, and machined in the USA to meet the demands of both high-performance snocross racing and recreational trail riding.

Key Features:

• Pro-Lite Forged Piston — CNC machined for optimal cam shape and profile, delivering peak horsepower and extended service life
• Aerospace Alloy Construction — Dedicated forgings using high-silicon, low-expansion aluminum for a superior strength-to-weight ratio
• Hard Coat Anodize Treatment — Electra-coat finish enhances wear resistance and durability
• Nikasil Bore Compatible — Engineered specifically for Nikasil-lined cylinder bores
• High-Performance Ring Set — Precision-matched rings included for sustained power and extended service life
• Alloy Wrist Pins — 20mm unchromed alloy pins for consistent, durable performance
• Race-Proven Design — Trusted by top snocross and cross-country race teams across all forms of competition

Kit Contents (3-Cylinder Set):

• 3x Forged Pro-Lite Pistons (P/N 2397M06900) — 69.00mm
• 3x Ring Sets (P/N 2717CD) — 69.00mm
• 3x Wrist Pins (P/N S423) — 20mm x 2.185", unchromed
• 6x Round Wire Pin Locks (P/N CW20) — 20mm (pair per piston)
• Top-End Gasket Kit (P/N W5604) — fits 1998–2002 Yamaha SRX 700

Specifications:

• Bore: 69.00mm (Standard)
• Stroke: 62.00mm
• Displacement: 696cc
• Cylinders: 3
• Oversize: STD (Standard Bore)
• Treatment: Hard Coat Anodize (Electra Coat)
• Note: Pro-Lite design; Nikasil bore only

Important: Wiseco rings are not interchangeable with other brands — only Wiseco rings may be used with Wiseco pistons. Top-end bearings are not included. This kit is sold by application and bore size; confirm your standard bore size before ordering to ensure you receive the correct standard or oversize specification.