Lubricating oil special for motorbike

Abstract

The invention relates to lubricating oil special for a motorbike. The lubricating oil comprises, by mass, 25-35 parts of base oil POA, 55-60 parts of naphthenic-base base oil, 0.4-0.6 parts of large-base-number synthesis calcium sulfonate which is an additive, 0.3-0.5 part of sulfur phosphorous butyl octyl group zinc salt which is an additive, 1.0-3.5 parts of sulfur ether phenol type antioxidant. 0.2-1.0 part of terpolymer of ethylene, propylene and non-conjugated dienes, 1-3 parts of metal deactivator, 5-10 parts of antioxidant, 1-10 parts of viscosity index improver, 0.06-1.2 parts of pour point depressant and 0.01-0.02 part of anti-foaming agent, wherein mooney viscosity of the terpolymer is 25-35, the metal deactivator is phosphide or sulfide, and the antioxidant is 2,3-butylated hydroxytoluene. Base oil cost is controlled while high viscosity index and high wear resistance can be guaranteed.

Description

technical field [0001] The invention relates to a lubricating oil, in particular to a special lubricating oil for motorcycles. Background technique [0002] Newly produced internal combustion engines, or internal combustion engines that have been overhauled and replaced with cylinder liners, pistons, piston rings, camshafts and rocker arms, must be run-in before leaving the factory. Because no matter how finely processed and repaired the matching parts of the new or overhauled engine are, there are still processing marks on the surface that cannot be observed by the naked eye. If they are directly put into heavy-duty work without running-in, scratches will occur on the surface of the parts. , impact and other damage phenomena, thereby reducing its service life. Through running-in, the direct contact surface between the two moving pairs of the internal combustion engine, especially the piston ring and the cylinder liner, the piston skirt and the cylinder liner, the bearing a...

AI Technical Summary

Problems solved by technology

[0003] The engine lubricating oil of traditional motorcycles tends to turn black shortly after use. This is because the engine lubricating oil continues to clean up carbon particles. When the oxygen in the air interacts with the engine oil, thick black carbon mud particles will be produced. Covered on the engine parts, the higher the engine speed and temperature, the faster the decomposition rate. This oxidative decomposition will not only cause damage to the engine, but also block the oil pipe, resulting in the failure of oil to be delivered to the engine, increasing equipment maintenance costs. reduced engine life