HGC 42.5mm Complete Cylinder Rebuild Kit w/Crankshaft fit for STIHL MS230/MS250/023/025 Chainsaw - OEM 1123 020 1209

Product Details

• Precision Compatibility – Fitment for STIHL MS230, MS250, 023, 025 chainsaws. Matches OEM part numbers 1123 020 1209, 1123 021 2500, and 1123 120 1612. Includes 42.5mm bore cylinder
• Complete Rebuild Kit – 1 * Cylinder, 1 * Piston Kit (42.5mm Piston&Ring&Pin&Pin Bearing), 1 * Crankshaft, 1 * Engine Pan, 4 * Engine Pan Screws, 1 * Spark Plug, 2 * Oil Seals, 2 * Crank Bearings..No additional parts needed.
• Easy Installation – Pre-assembled piston pin & bearings. Includes torque specifications for DIYers. Fits for STIHL all 42.5mm models (2008-2025).
• Performance Restoration – Restores compression to 150+ PSI (tested). Eliminates common issues: hard starting, oil leaks, and power loss.