Recoil Starter Spring – Yamaha ATV & Snowmobile Replacement

OVERVIEW

The SPI SM‑11007 recoil starter spring replaces weakened components to restore reliable manual engine cranking on vintage Yamaha powerplants. Manufactured from high-strength, heat-treated spring steel, this direct-fit part delivers accurate rewind resistance comparable to the original factory unit. Engineered specifically for Yamaha ATV and snowmobile applications, it returns smooth pull-start mechanics without altering existing starter assemblies.

ENGINEERING & PERFORMANCE

This replacement spring rebuilds stable rewind tension to eliminate stiff pulling handles and prevent cord fatigue in older engines. The heat-treated steel core maintains consistent elasticity across wide temperature ranges, resisting premature metal loss or brittle fracture during cold starts. Built to replicate original manufacturer tolerances, the coil geometry guarantees seamless alignment within the stock housing, delivering predictable engagement every time.

KEY FEATURES

• Direct-fit replacement for Yamaha recoil starters
• Manufactured from high-strength, heat-treated spring steel
• Restores proper rewind tension on degraded starters
• No structural modifications required during installation
• OEM-style diameter and coil count for accurate alignment
• Replaces Yamaha OEM part number 21V-15713-00-00

TECHNICAL SPECIFICATIONS

• Brand: SPI
• Part Name: SM-11007 Recoil Starter Spring
• Material: Heat-Treated Spring Steel
• Supported Years: 1985–2006
• Compatible Trims: Yamaha YFM Series & SRX Snowmobile

FITMENT

• Yamaha YFM200 Moto‑4 (1985–1989)
• Yamaha YFM350 Warrior (1987–2004)
• Yamaha YFM350 Wolverine (2000–2005)
• Yamaha YFM400 Kodiak (1993–2004)
• Yamaha YFM600 Grizzly (1998–2001)
• Yamaha YFM660 Grizzly (2002–2006)
• Yamaha SRX (Multiple Model Years)

WHY RIDERS CHOOSE THIS

Riders select this replacement spring because it consistently restores dependable pull-start mechanics without the guesswork often associated with aftermarket alternatives. The heat-treated steel core resists corrosion and metal fatigue, which keeps operating tension steady through deep winter conditions. By returning precise rewind resistance, the component eliminates binding and cord slippage, delivering faster, smoother engagements when ground temperatures drop. This model-specific engineering integrates seamlessly with Yamaha’s starter assembly, extending service intervals and keeping machines moving reliably in the field.