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Old 07-14-2017, 12:14 PM   #1
nicholas042416
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OIL---Synthetic or Dyno?

I have little doubt that somewhere in this forum this has been discussed to the point of fighting....but I couldn't find so let the games begin.....

I currently run Maxim Racing dyno oil in my VFR 800, it's. I hope cheaper than synthetic and I think it's pretty good stuff. For my wife's new CBR300 I'm running Castrol Full Synthetic motorcycle oil for now but thinking about switching. I've read many articles that argue for both sides but for mostly mild riding with the occasional Morgstang weekend ride I feel like regular oil is fine?

Thoughts please????
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Old 07-14-2017, 12:17 PM   #2
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Old 07-14-2017, 12:21 PM   #3
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Old 07-14-2017, 12:32 PM   #4
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Request your free sample kits today...and let proper oil analyzation guide you. Based on the two oils that you mentioned, as long as they meet the manufacturers oil specs, I'd say you're off to a good start.

https://m.blackstone-labs.com/
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Old 07-14-2017, 12:37 PM   #5
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Quote:
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Dennis to post in 3,2,1....




I can sell you Amsoil at my dealer cost if you want it but there are plenty of good options out there.

If you don't plan on keeping the bike till the wheels fall of then put any oil the meets the manufacture spec in it and ride it. I would suggest getting an oil sample done, I use the oil analyzer through amsoil but have had good results from blackstone as well. The key to a good oil analysis is using the same oil over and over so you can build a trend.
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Old 07-14-2017, 12:46 PM   #6
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I am keeping both bikes till the wheels fall off..the motor blows up and I can't throw a leg. The VFR has about 80,000 miles, always had Synthetic supposedly I just went cheap. The 300 I want to turn into a race bike when she moves up to a bigger bike. I think it'd be fun to compete in lower series and just rip it up at a track day
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Old 07-14-2017, 01:02 PM   #7
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Quote:
Originally Posted by nicholas042416 View Post
I am keeping both bikes till the wheels fall off..the motor blows up and I can't throw a leg. The VFR has about 80,000 miles, always had Synthetic supposedly I just went cheap. The 300 I want to turn into a race bike when she moves up to a bigger bike. I think it'd be fun to compete in lower series and just rip it up at a track day
The CBR 300 isn't really competitive racing because it's a single cylinder compared to the R3 and Ninja 300 twins but still a a fun bike at a track day.

If you've had 80K trouble free miles from the VFR I'd say get an oil sample done and see where it stands. I'm not going to be the guy who shoves Amsoil down your throat as the be all end all, it's an excellent oil that allows you to extend your oil changes out, but it's also your money.
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Old 07-14-2017, 01:58 PM   #8
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The previous owner ran Amsoil exclusively lol
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Old 07-14-2017, 02:02 PM   #9
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Quote:
Originally Posted by trunxgp1224 View Post
The CBR 300 isn't really competitive racing because it's a single cylinder compared to the R3 and Ninja 300 twins but still a a fun bike at a track day.



If you've had 80K trouble free miles from the VFR I'd say get an oil sample done and see where it stands. I'm not going to be the guy who shoves Amsoil down your throat as the be all end all, it's an excellent oil that allows you to extend your oil changes out, but it's also your money.



This video kinda begs to differ

That being said the guy rides exclusively 300 and whatever size KTM thing is for racing and he's good. Aaaaaannndd there's a SH@&LOAD of money in that bike lol. So in reality your correct...probably not super competitive but really fun
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Old 07-14-2017, 04:02 PM   #10
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Old 07-14-2017, 04:24 PM   #11
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Old 07-14-2017, 05:25 PM   #12
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From what I observe, the synthetic oils seem to stay clean longer than dyno oils. I see this not only in the sight glass, but on internal engine parts such as valve covers, etc. From that, I would think that the higher cost of synthetics would be offset somewhat by greater mileage between changes.

Another thing I notice, is that synthetics flow better when cold. The dyno oil gets thicker when cold, causing more drag until it is warmed up.

I hear so many people say that they have used "X" oil and never had a problem. I would think that you would have to run two motorcycles, side by side, for 6 digits of mileage and then do an extensive comparison to see any significant difference.

My opinion is that synthetic oils are superior, but let the debate go on and on.
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Old 07-14-2017, 05:46 PM   #13
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OIL---Synthetic or Dyno?

Quote:
Originally Posted by Japawhat02 View Post
rotella /thread

Rottella works great for some bikes....not good for mine

Last edited by nicholas042416; 07-14-2017 at 05:48 PM.
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Old 07-26-2017, 11:44 PM   #14
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There's absolutely zero reason not to run synthetic oil, unless the bike's been on dyno oil its whole life and has high mileage. Any brand is fine, as long as it's motorcycle oil.
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Old 07-27-2017, 12:01 AM   #15
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Quote:
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There's absolutely zero reason not to run synthetic oil, unless the bike's been on dyno oil its whole life and has high mileage. Any brand is fine, as long as it's motorcycle oil.
That's not a reason either.
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Old 07-27-2017, 12:37 AM   #16
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Quote:
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That's not a reason either.
Cautionary really. I'm sure it won't be a problem with newer bikes.
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Old 07-27-2017, 06:13 AM   #17
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So what about contaminants? I like the idea of changing the oil every 3-5k VS leaving it in there to collect particles
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Old 07-27-2017, 06:19 AM   #18
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I was using synthetic Mobil Racing 4T and decided to save some money by switching to Castrol 4T. I believe that was the reason my transmission gradually froze up and would not shift. I pulled oil pan and replaced the shift forks even though they were within specs. I went back to the Mobil synthetic, and will not change again. I could find no reason for the lock up of the transmission other than the oil.
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Old 07-27-2017, 06:53 AM   #19
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Old 07-27-2017, 07:50 AM   #20
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I think it's pretty clear that synthetic lasts longer between changes and lubricates better when the engine is cold or when the air temps are cold.
That said, with the technology that's put into ALL quality oils these days, they are all better than what was being used 30 years ago and bikes lasted for 100,000 miles then too.

If you are keeping the bike till the wheels fall off then it would be sound advice to use synthetic.
If you are more concerned with cost, then use dino.

Either way, if you keep up the maintenance, your bike should last long enough for you to feel like you got your money's worth. I mean seriously, how many of us have actually worn a bike out?

I think the key is using quality oil. If you are buying it at the convenience store for $2 a Qt all the above is void. lol
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