询问下新PX150齿轮油用什么具体型号

dndpg

：RT
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前程

我用的速马力85W-140

馒头龟

我用的托酷 75W-140的，每次250ml

sp2289

前程 发表于 2015-7-11 16:36
5 X( L5 ?% t$ Y' [4 v) u- m我用的速马力85W-140

# {  K" C1 f- }; f  i( E4 w请教LXV150,齿轮油用什么好，到底好久一换。好像每个人说的都不一样。而且说明书上也没有明说。。。。谢谢

vespa革命

Vespa P range and LML Star 2T models require 250ml of SAE 30 engine oil or SAE 80W gear oil.

With the scooter on the centre stand on level ground, fill the gearbox with oil until it reaches the oil filler hole.

2 ^) y0 M6 f' v( u, [Its is important to check the gearbox oil level regularly and top up if necessary to keep the clutch friction plates and the clutch side main bearing lubricated correctly.
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Piaggio recommend a first gearbox oil change at 3000 miles (5000 km) and then every 6000 miles (10000 km), however we would recommend changing the oil every 3000 miles (5000 km) on a standard engine and 1500 miles (2500 km) on a tuned engine. It is not a break down in the gearbox oil that is the problem but the amount of fine metal particals from the gearbox that build up in the oil. We recommend using a magnetic oil drain plug to remove the metal particals from the oil.
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/ u( B6 k) V' F+ W6 i/ j& jWhen the Vespa P range was launched in 1977 Piaggio's recommended gearbox oil was 2 stroke oil with a SAE 40 viscosity. This was later changed to SAE 30 engine oil. In 1995 Piaggio changed the clutch on the Vespa P range and recommended SAE 80W gear oil for use in the gearbox.
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* r; G! r8 C5 b/ C. _9 VEngine and gear oils are made in a similar way using a mineral or synthetic base oil blended with additive packs to reach a minimum specification. For example API (American Petrolium Institue) specifications are widely used. Engine oils usually having 2 specifications, S for spark ignition engines (petrol) and C for compression ignition engines (diesel) followed by a letter. The higher the second letter, the later the specification. Similarly gear oils have a GL- rating although this is followed by a number and it is not the case that the higher the number the later the specification and an API GL-4 gear oil is required for the Vespa / LML gearbox.

The main difference between a engine and gear oil is that the engine oil has been designed to be pumped 官官方这样说：
around the engine and the gear oil has been designed to be circulated around the gearbox by the gearbox components and has extra additives to withstand extreme pressure.
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The SAE grade is the oils viscosity at a certain temperature and the W stands for Winter (not weight) meaning its viscosity at low temperatures. At 100°C the viscosity of SAE 30 engine oil is similar to SAE 80W gear oil.