The engine block (piston, jug, crankshaft, and crank pan) will fit in the MS290 housing. No, the carbs are different, and you might need to change the top cover as some MS390 have a decompression valve, and earlier ones don’t. The handles, the tank housing, and several other parts are the same. You might also want to use the chain sprocket for the MS390, as it uses a 3/8" pitch chain, and the MS290 uses the smaller .325" chain.
We are a professional enterprise specialized in selling 2-stroke gasoline engine piston cylinder parts/assy/kits for Stihl/ Husqvarna/chain saw,brush cutter,hedge trimmer.
All products are manufactured by advanced die-casting equipments, and equipped with automatic sprn aying and feeding equipment, which fully improve the quality of the die-casting products.
Should you have any questions or concerns, please feel free to contact me.
We are a professional enterprise specialized in selling 2-stroke gasoline engine piston cylinder parts/assy/kits for Stihl/ Husqvarna/chain saw,brush cutter,hedge trimmer.
The engine block (piston, jug, crankshaft, and crank pan) will fit in the MS290 housing. No, the carbs are different, and you might need to change the top cover as some MS390 have a decompression valve, and earlier ones don’t. The handles, the tank housing, and several other parts are the same. You might also want to use the chain sprocket for the MS390, as it uses a 3/8" pitch chain, and the MS290 uses the smaller .325" chain.
We are a professional enterprise specialized in selling 2-stroke gasoline engine piston cylinder parts/assy/kits for Stihl/ Husqvarna/chain saw,brush cutter,hedge trimmer.
All products are manufactured by advanced die-casting equipments, and equipped with automatic sprn aying and feeding equipment, which fully improve the quality of the die-casting products.
Should you have any questions or concerns, please feel free to contact me.
We are a professional enterprise specialized in selling 2-stroke gasoline engine piston cylinder parts/assy/kits for Stihl/ Husqvarna/chain saw,brush cutter,hedge trimmer.