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Discussion Starter #1
Heres a crazy question, but whats the best synthetic oil to use. I've always used Motul, but how about the Castro and Honda oils.....or does it matter. Some of the Castro products advertise that the oil leaves a film that protects the engine during starup and warm up - is this some kind of a wax substance and can it damage the engine?



Please comment........

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the synthetic oils are far more superior than conventional oils. It would be hard to pick the best synthetic oil. Most of us change the oil far too soon to be worried. But since you asked here is my opinion. AMSOIL is the original developer of synthetic oil. It offers a 25000 or 1 year protection in writing (car only I believe). I use them because of this protection and the fact that I can get it at the same prices as other synthetic brands. Over the years I have used various brands synthetic and have never had a problem. I can't tell the difference between them. The amsoil I use is motorcycle specific and is the weight I want (10W/40). I have a hard time finding the 10W/40 wiehgt in my area for synthetic. I buy the motorcycle specific not because it does anything better but because it costs the same and is available. There are alot of articles stating a motorcycle specific oil is not necessary. I agree with them. This is the 1st bike that I have been using a motorcycle specific oil. Use what ever you feel comfortable with and can afford. You simple can not go wrong with synthetic..

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I think a more appropriate question is "What kind of oil would best suit my bike/riding style?" Here is the gig...



Synthetic oils are remarkable at making things slickery, reducing wear, increasing engine life, reducing friction, increasing power... all of the things we want for our machines. Motorcycles, however, have wet transmissions, as in they sit in a bath of engine oil. The biggest problem with synthetic oil is that it works too well. Depending on the gross weight of your bike, and the style with which you ride, synthetic may be a huge mistake. I have encountered clutch packing problems, lots of slippage, etc... on very light bikes running full synthetic. We all want to think we are world heros when we ride... but I will break it down like this.



1. Squids: Lots of wheelies, burn outs, drag racing with other squids. (If your tires are bald in the middle and meaty on the sides you are a squid.)

***Stick to factory recommended petrolium oils. You will destroy that bike soon enough. Synthetic wont help you, and it will make you less of a squid than you aspire to be.



2. Byway warriors: Tremendous feats of speed in the straights, your nuts on fire and a silent scream in your throat through the twisties.

***Try a synthetic blend. I like honda hp4 without molly. This gives much less friction to the pistons but enough to the clutch to prevent slipping.



3. Mature enthusiast: The older you get, the better you were.

***Assuming your bike weighs less than 600 lbs. a full synthetic is great for you. You will promote engine longevity, and still enjoy the awesome power afforded by most bikes produced today.





A quick note to those who run full synthetic, fall into one of the first 2 categories, and have experienced no problems and would take issue with my words of wisdom. You suck. You cannot ride. Get some skills. Do not post argumentative banter here as I will embarrass you. Thank you in advance.

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Autochthonous, I am an Amsoil dealer, therefore I can provide you with the information that you would want...but you are a fucking dick and think you are the king of all riders and from the way you talk a synthetic won't work for your hard ass "skills" and kewl fucking bike....fyi...pro riders use synthetics...therefore making you the squid for talking out of your ass <img src=http://www.ezboard.com/intl/aenglish/images/emoticons/sick.gif ALT=":x"> what a waste of breathing air

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sorry about that...it started off to be informative but it kinda turned from there...anyways, I am an Amsoil dealer and can get you any info you want. Just let me know by emailing me or you can ping me on the 12 board



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You monkey son of a bitch. Didn't I specifically tell you not to do this? The only reason to take offence to what I posted is because you are a fucking squid. The only reason to develop an inferiority complex with me, given that I never claimed to be more or less proficient than anyone else out there, is because you are a fucking squid. Certainly, given the tone, I place my skillset above squids such as yourself. Yet all you type is defensive argumentative banter. Mental masturbation. Attempting to have a go at me because you were offended by your riding habits being equated to the bottom of the food chain of sportbike riders. It's ok... we all start off as squids. Don't feel threatened oil man. They are just words on a message board. Im sure your standing wheelies are sweet. I'm sure your trailor trash girlfriend thinks you are the best there ever was. I recommend you go donkey punch her in the back of the head in impotent frustration, unable to ark your diseased seed at her, given the frustration that comes from not understanding the world around you. If you are unaware that full synthetic oils can result in clutch slipping then you are as unremarkable at your vocation as you are at your hobby. I doubt I will be pinging you for information.... oh... and FYI, those riders that run full synthetic typically run a DRY clutch you ignorant fuck. Those that do run wet AND run full synthetic use specially designed clutches because of this very problem. The poor mans solution for some models back in the day was to pack an extra clutch plate in. I hope to God you can do better than this.



Ride hard.

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Autochthonous, COOL it a little! is any board discussion worth the aggravation you put into your previous post? We all have our beliefs. The board is for here for us to share them, others can do what they want with it.



Now here are my beliefs about oil. If you use standard oils just change it regularly. If you ride hard change it more often. This also includes wheelies, burnout, and racing. If you want more protection or just want longer oil change periods use something better. That usually turns out to be syntheticblend or full synthetic. Synthetic does come in car and motorcycle types. A wet clutch can and has been working just fine with synthetic oils under all conditions.

I have always used full synthetic oil in all my bikes with no problems at all, NOT ONE!. The motorcycle specific oil provides little to no more protection than car synthetic oil.

There are lots of people that use mobil 1 car synthetic oil and have wet clutches and have not experienced difficulties. Synthetic oil is in most cases mis-understood by many and motorcycle vs car oil is as well, imho.

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Christ you kids are sensitive. It's just the internet. As you said, "We all have our beliefs. The board is for here for us to share them, others can do what they want with it...". I was simply sharing mine in a lively, engaging, albeit agressive manner. I don't care if I come off like an asshole, the idea was to make you chuckle as you read it, and share sed opinion.



For the record it appears I am a dinosaur, and things have changed. Due to the clutch slipping issues, they have developed a kinder gentler synthetic oil. Supposedly the JASO MA rated oils don't have clutch probs, as they were developed to handle that very issue. Would have been nice if oil man had provided that information, and would have gone further in bolstering his argument rather than simply calling me a dick. But at least he engaged, which was the point of the diatribe. So there ya go. Im wrong. Not the first time, won't be the last. And Lou, I agree... the best oil for any bike is clean oil.



Ride hard.

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