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... STIHL OILER GEAR. REPLACES PART #1123-640-7105 STIHL 021, 023, 025, MS250, MS230, MS210 MUFFLER, REPLACES 1123-140-0608 14" BAR & CHAIN 3/8" FITS STIHL 009 010 011 012 015 017 018 020AV 020T 021 025 STIHL CRANKSHAFT BEARINGS REPLACES STIHL # 9503-003-0311 Our Price: $7.95 Add Our Price: $15.95 Add Our Price: $32.95 Add Our Price: $14.95 Add STIHL 025 REPLACEMENT PISTON, PART 1123-030-2011 NEW 1/4" PITCH CARVING SPROCKET FITS STIHL MS180 MS190 MS210 MS230 MS250 MS191 SWITCH SHAFT REPLACES STIHL PART # 1123-182-0901 STIHL 029 AV BUFFER MOUNT Our Price: $24.95 Add Our Price: $21.95 Add Our Price: $8.95 Add Our Price: $5.75 Add Share your knowledge of this product with other customers... Be the first to write a review PISTON & CYLINDER KIT PART# 537157302 NEW $99.95 16" REPLACEMENT CHAINSAW CHAIN 66DL .325 $19.95 16" OREGON PROLITE BAR AND CHAIN COMBO .325" $59.95 STIHL 090 REPLACEMENT PROFESSIONAL REPLACEMENT SPROCKET, REPLACES PART # 1106-040-2015 $29.95