just wondered. it is the same 10w 40 semi synthetic castrol designed for cars, but identical as my bike oil on a different shelf in halfords.
2007-09-05 07:11:19 · 21 answers · asked by andy m 1 in Cars & Transportation ➔ Motorcycles
yes i had some oil for my car and my brother came round and put the oil in his motorbike
2007-09-05 07:16:21 · answer #1 · answered by Anonymous · 1⤊ 9⤋
stick with the bike oil they have spent millions researching it
as you can see nobody has a degree in motor oil
All the manufacturers spend money on oil research. Yet they will use a cheaper part in a minute to keep the production costs down. Do you really think they would spend money on bike oil if they could use the dollar schit off the shelf?
I just came back from the bike races and no one was running walmart car oil for a reason.
I wonder why that was?
2007-09-05 18:50:46 · answer #2 · answered by 51 6 · 1⤊ 2⤋
An article in Rider magazine a couple of years ago covered this topic. Automotive oil is made to meet automotive economy and emissions standards. Motorcycles are allowed more sulfur content in the oil because it is needed to protect the gears in the transmission, and it allows the wet clutch to be stickier and not slip. A good quality automotive oil can be used in motorcycles that use a separate oil for the transmission. Most Japanese motorcycles use the engine oil for both the engine and transmission. Harleys have a separate transmission. Oils formulated for diesel engines work well in Harleys. For Jap bikes, use motorcycle oil only.
2007-09-05 16:07:55 · answer #3 · answered by carguy 4 · 3⤊ 1⤋
why cheap out? if you have a sport bike or a motocross bike its built for Performance, (garbage in garbage out). and besides this many bikes share lubricating oil with the transmission and the engine. cars seperate the 2. transmission gears tend to be rough on oil as the gears " shear" the oil molecules. Another thing is bikes generally run hotter and at higher RPMS than cars so............the oil will break down faster.
i have a crf250r its tranny/ engine oil is seperate i noticed the tranny oil gets wore out faster than the engine.
i dont know man, id look for other places to save money
2007-09-07 20:07:47 · answer #4 · answered by Subconscious point of view 2 · 0⤊ 0⤋
Amazing, as the few answers where someone explains how the properties are different, as a four stroke bike oil lubes the tranny, is the clutch oil etc etc. ..and these answers get the low ratings. If you contact the the oil mfgr they will reccomend which of their oils for your application..........
yet these rational intelligent answers get the low ratings, one of them 3 thumbs down.
While it is often possible to use these oils, it is not recommended. Why the hell would they make different oils for bikes then? BTW we are talking mainly specialty oil co.s her so no conspiracy excuse.
Perhaps one of the rocket scientists who gave these low ratiing can give an explanation, not just their personal experience.
We all want to save $, but bikes do run hotter, and need extreme pressure additives, also some synthetics are molecularly so slippery that you would not want it in your wet clutch. Not that you can not run some automotive oils in some bikes in some appications, but it is not rational to make blanket statement......but I guess clever panaceas are always more impactual than rationale.
2007-09-05 16:05:45 · answer #5 · answered by jrmsharp@sbcglobal.net 3 · 4⤊ 4⤋
i would use motorcycle oil like recommended from the manufacture. Your bike is a big investment and you need to take care of it. Using something that isn't recommended is really bad.
The compound in motorcycle oil is different than in cars.
2007-09-05 15:57:29 · answer #6 · answered by Thomas 5 · 6⤊ 2⤋
if you have a wet clutch, your clutch will wear prematurely when using car oil. i have put car oil in my bike in a pinch with no adverse effects. my friend put car straight weight oil in his bike with no ill effects, but he had a dry clutch.
2007-09-06 16:25:16 · answer #7 · answered by will 2 · 0⤊ 0⤋
This has been discussed ad nauseum. Do some google searching on the subject as several studies have been conducted.
Generally, the consensus has been that car oil works fine in motorcycles.
I use synthetic Mobil-1 10W40 in all our bikes.
2007-09-05 14:46:43 · answer #8 · answered by Wyoming Rider 6 · 4⤊ 4⤋
Use what the manual says. Match up all the numbers and letters and all will work out fine.
2007-09-07 23:29:07 · answer #9 · answered by bpel 2 · 1⤊ 1⤋
i have had lots of older bikes thats fine in them but some newer modles use whats recomended.use thicker oil in sommer and thinner in winter.ride on.
2007-09-05 16:55:32 · answer #10 · answered by steven d 6 · 1⤊ 1⤋
Castrol is ENGINE oil.
Don't get caught in the argument.
It's the RATINGS that are important.
As long as the ratings of the oil match the requirements of the engine, you will be fine.
2007-09-05 16:09:51 · answer #11 · answered by Firecracker . 7 · 2⤊ 4⤋