Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools Electrical Filters Fuel System Parts Tractor Parts 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > Chainsaws > Stihl > Stihl 025 > POP UP PISTON FITS STIHL MS250, 025, 42.5MM KIT ETRA POWER & COMPRESSION, NEW Alternative Views: Our Price: $34.95 Product Code: CG-22 Qty: Description STIHL MS250, 025 REPLACEMENT PISTON 42.5MM, REPLACES PART # 1131 030 2011, NOTE: EARLY STIHL 025 SAWS USED A 42MM BORE, PLEASE VERIFY 025 PISTON BEFORE ORDERING, ALL MS250 SAWS USE A 42.5MM PISTON AND THIS POP UP WILL BE THE CORRECT PISTON FOR YOUR SAW., BE SURE TO CHECK OUT MY EBAY STORE FOR OTHER PARTS AND ACCESSORIESTHIS HIGH QUALITY MADE PISTON KIT WILL GIVE YOUR SAW EXTRA COMPRESSION AND GIVES YOU EXTRA POWER, DESIGNED BY A CHAINSAW ENGINE BUILDERNOTE: THIS PISTON KIT IS NOTE MADE IN CHINA OR TAIWAN, THIS PISTON HAS MORE POP UP HEIGHT THEN THE CHEAP TAIWAN MADE PISTONS YOU SEE HERE ON EBAY WHICH MEANS MORE COMPRESSION AND MORE POWERTHIS KIT SHIPS FROM USA WITH A TRACKING NUMBER Related Products... NEW 1/4" PITCH CARVING SPROCKET FITS STIHL 017, 018, 019, 021, 023, 025, MS170 REPLACEMENT FUEL LINE, REPLACES 1123 358 7701 Stihl 025 Carburetor NEW 1/4" PITCH CARVING SPROCKET FITS STIHL MS180 MS190 MS210 MS230 MS250 MS191 Our Price: $24.15 Add Our Price: $9.95 Add Our Price: $39.95 Add Our Price: $21.95 Add Stihl 025 Piston and Cylinder Kit SPROCKET, 6 TOOTH 3/8" PITCH, IN STOCK OREGON 100' ROLL OF .325 PITCH, .063 GAUGE CHISEL CHAIN 18" OREGON PROLITE BAR AND CHAIN COMBO .325" 68DL Our Price: $59.95 Add Our Price: $19.95 Add Our Price: $399.95 Add Our Price: $62.95 Add Share your knowledge of this product with other customers... Be the first to write a review NEW CLUTCH & SPROCKET .404" PITCH 7 TOOTH FITS STIHL 090 $109.95 PISTON RING OEM THIN STYLE FITS PIONEER P50, P51, P52, PART # 474590, 507474590 $19.95 STIHL MS180 REPLACEMENT CARBURETOR PART # 1130-120-0603 $39.95 12" BAR & CHAIN COMBO 3/8" 45 DL .050"NEW $32.95 STIHL 026, 026 PRO, MS260 024 SUPER CYLINDER & PISTON KIT 44.7MM, REPLACES STIHL PART # 1121-120-1217 $99.95 HUSQVARNA CHAIN ADJUSTER, PART # 537044102, NEW $14.95 GASKET SET REPLACES 537212601 $14.99 2 STARTER FRICTION WASHER FITS STIHL 08S 041 042 AV 045 050 051 # 1106-195-9001 $8.95 34" BAR & CHAIN FITS PIONNER CHAINSAWS D007 BAR MOUNT $124.95