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... CLUTCH REPLACES STIHL PART # 1123-160-2050 CRANKSHAFT BEARINGS AND SEALS, REPLACES PART # 9503-003-0340 AND 9638-003-1581 STIHL REPLACEMENT CRANKSHAFT BEARINGS & SEALS PART #'s 9503-003-0311, 9638-003-1581, 9639-003-1585 STIHL 025, 18" REPLACEMENT BAR & CHAIN COMBO .325 Our Price: $29.95 Add Our Price: $24.95 Add Our Price: $24.95 Add Our Price: $37.95 Add CRANKSHAFT SEALS, REPLACES PART 9638-003-1581 STIHL REPLACEMENT SHORTBLOCK, ASSEMBLED IN THE USA STIHL REPLACEMENT TUNE UP KIT FILTERS & PLUG, NEW 18" REPLACEMENT CHAINSAW CHAIN, 68DL .325" Our Price: $24.95 Add Our Price: $119.95 Add Our Price: $16.95 Add Our Price: $20.95 Add Share your knowledge of this product with other customers... Be the first to write a review JONSERED REPLACEMENT SPROCKET, 3/8" PITCH, NEW $19.95 CARBURETOR KIT FITS OPPOSED TWIN CYLINDER BRIGGS & STRATTON 14HP 16HP-18HP 19HP 3 SCREW FUEL PUMP $19.95 HUSQVARNA/JONSERED REPLACEMENT PISTON AND CYLINDER KIT. OEM #575255702 $289.95 HUSQVARNA GASKET SET COMPLETE, REPLACES OEM # 501522604 $9.99 Stihl 039 Piston and Cylinder Kit 49mm Replaces OEM # 1127-020-1216 $99.95 STIHL COMPLETE GASKET SET $14.99 SPROCKET 3/8" PITCH, 6 TOOTH DRIVE $19.95 ECHO CS-4500, CS4600 REPLACEMENT PISTON KIT, REPLACES PART # 10000019930, 10000319930 $29.95 REPLACEMENT THROTTLE LOCK, REPLACES PART # 503556601 $4.99