Engine piston temperature is exorbitant, easy bring about overheat to burn frit and happen hold a crock in the arms; The overheat such as adhesive plaster of balata weather strip, triangle, tire, easy premature ageing, function drops, shorten service life; The coil overheat of the wiring such as starter, dynamo, adjuster, extremely easy burn down and discard as useless.

　　 "Macrobian " of bid farewell: Avoid dirty

If the spare parts such as filter of fuel filter, engine oil, air filter, hydraulic pressure oily filter and of all kinds mesh is too dirty, can bring about filter clear result to become poor. The component such as cylinder body of cold engine of cistern carbon fin, wind and crock lid carbon fin, condenser carbon fin is too dirty, can bring about medicinal powder heat is undesirable, temperature is exorbitant.

　　 "Macrobian " of bid farewell: Avoid instead

Engine cylinder mat cannot be installed when installation instead, can bring about a crock to pay premature ablation damage otherwise; When engine fan lamina is installed, cannot do instead; To having the tire of directional decorative pattern, tire of person handwriting decorative pattern, after the ground moulage after installation should make person handwriting needle is pointed to ministry.

　　 "Macrobian " of bid farewell: Avoid be short of

Engine valve is locked up piece, answer to be installed in couples, if leak to install or be short of,break will bring about spiracle out of control and crack up piston; The device preventing a pine such as screw of the split pin that installs on bolt of engine connecting rod, flywheel bolt, transmission shaft bolt, locking, safety plate or bedspring mat, once leakage is installed, in use will bring about serious breakdown to happen likely; Engine when once leakage is installed,the engine oil spray head of lubricant gear is used in gear room, can bring about the place serious discharge is oily.

　　 "Macrobian " of bid farewell: Avoid oily

Engine does core of filter of paper quality of type air filter, if touch oily fluid, the mixture gas that makes concentration easily higher is inspiratory inside air cylinder, make air measures insufficient, oily bad news to increase, engine power drops; If trigonometry adhesive plaster touchs oily fluid, will quicken its to corrode ageing; Hoof of apply the brake piece, the attrition of dry type clutch piece, brake band touch oily fluid, can minatory drive a vehicle is safe. Tire balata is right oily kind corrode very sensitive, with oil kind the contact can make balata molten or desquamate.

　　 "Macrobian " of bid farewell: Avoid wash

To the core of paper air filter of engine, cannot use any oil kind clean; To coriaceous component, unfavorable also with oil kind clean.