... weight, innovated design and long life service Features: 1) Special pressure balance by pass prevent lube oil ... cast by aluminum alloy with optimum heat transfer Specifications: 1) Number of cylinders: 4, 4 2) Swept ... 650cm3 3) Theoretical displacement: 1,450rpm/h 4) Lubrication: 48.3, 56.6 5) Forced feed lubrication: zahnrad ... b) Max. Speed, k design 1/min: 3,500, 3,500 c) Min. speed 1/min: 500, 500 d) ...