1. Engine displacement: 37. 2cc 2. Engine Type: Single Cylinder, Two-stroke, Air-cooling gasoline engine 3. Carburetar: Cylinder Diaphragm type 4. Rated output power: 1. 5Kw 5. Relevant speed: 7000rmp 6. Fuel tank capacity: 310ML 7. Oil tank capacity: 230ML 8. Guide bar size: 14"/16"/18" 9. Chain Pitch: 3/8; Gauge: 0. 050" 10. Carburetor is Japanese brand: WALBRO 11. Chain is America brand: CARLTON 12. Bar is Made in china 13. Dimensions(no bar and chain): 370*235*270mm 14. Certificate: CE, GS