Stihl Flywheel Replacement For 029 039 MS290 MS310 MS390 Chainsaws OEM 1127 400 1200 Compatible Precise Timing Durable Cast Aluminum Easy DIY Install Today
✔️ Direct OEM fit for 1127 400 1200; cast aluminum; precise timing
This flywheel replacement is a precision-machined aftermarket part that fits select chainsaws and helps maintain ignition timing for steady performance. It's designed for tune-ups, rebuilds, or restoring factory specs on the listed models.
✅ Direct OEM fit for 1127 400 1200; precise alignment ensures reliable performance
✅ Cast aluminum alloy body with hardened steel keyway for durability
✅ Integrated cooling fins improve heat dissipation under heavy use
✅ Balanced timing to reduce vibration and maintain smooth chain speed
✅ Pre-installed keyway allows quick, DIY installation on the crank
✅ Dimensions: OD 105 mm (4.13 in) x height 35 mm (1.38 in)
💡 What is a flywheel replacement used for in chainsaws and why is it handy?
A flywheel replacement helps restore timing and reliability after wear or damage.
- Restores ignition timing and RPM stability
- Improves cooling and reduces heat buildup during long cuts
- Supports easy DIY maintenance with a pre-installed keyway
- Extends engine life under tough use