& v2 L- g$ T ]6 l8 C9 j9 R5 p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。。。。谢谢作者: vespa革命 时间: 2015-7-15 04:09
Vespa P range and LML Star 2T models require 250ml of SAE 30 engine oil or SAE 80W gear oil.; T9 b: n6 g/ Z: g- U L( M+ I
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With the scooter on the centre stand on level ground, fill the gearbox with oil until it reaches the oil filler hole. 6 `& `' P5 T( G D- B ; T! Q- t" I: O. WIts 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.% E. O7 O/ d9 \- i9 A; ]# {
( V: U% W" c( ~$ XPiaggio 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. ( ^$ G, F2 O6 V c! u* A7 O& I) |6 A4 r0 b8 j' l) v
When 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.7 U# |) _9 n- P O
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Engine 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.- i3 I; A1 H! a ^
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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： 1 ~& E9 q3 V1 w# ?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.+ t0 o, [7 c9 p" T0 Y! r+ ~
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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.