What is the best weight/vicosity oil to use? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 19 (permalink) Old 03-15-2009, 09:35 PM Thread Starter
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What is the best weight/vicosity oil to use?

So I posted this then realized the can of worms I could open. Sorry. I don't care about brand or anything else, I just noticed the service manual had four different weights in it. What is the difference? I know not to use "friction inhibitors" and never use a 10W-30.
Please don't run me outta town guys!

Last edited by Vulcanian; 03-15-2009 at 09:49 PM. Reason: Read the engine threads...Didn't need this AGAIN.
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post #2 of 19 (permalink) Old 03-15-2009, 10:16 PM
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I would think the answer to that question would depend on where you live, what kind of riding you do, etc. I live in north Texas. Rotella 15w40.

--FA

"Just because I use 15w40 doesn't mean that I know a dad-gum thing about oil in North Texas or anywhere else. I just answered an inquiry. I make no representation that the oil I use is better than anyone else's oil. Riding into the hills now to avoid any flaming."

K.J. "Fire Ant" Lord
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post #3 of 19 (permalink) Old 03-15-2009, 10:28 PM
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I usually run the heavier stuff in the summer here in TX, and I've been known to run the lighter stuff in the winter. I won't run anything but synthetic, Mobil One or Rotella. You already know the big no no. It mostly depends on your location and your preference and riding habits. After reading this essay on oil, I won't use anything but synthetic in any of my vehicles.
http://motorcycleinfo.calsci.com/Oils1.html

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post #4 of 19 (permalink) Old 03-15-2009, 10:41 PM
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Castrol Power RS R4 4T 5w-40 full Synthetic Motorcycle Oil!

http://www.castrol.com/castrol/secti...tentId=7040544


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
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BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
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Last edited by lance328; 03-16-2009 at 06:38 AM.
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post #5 of 19 (permalink) Old 03-16-2009, 12:21 AM
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Originally Posted by Vulcanian View Post
So I posted this then realized the can of worms I could open.
Just don't let Knifemaker know about this thread!

EZC

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post #6 of 19 (permalink) Old 03-16-2009, 12:25 AM
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Quote:
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Just don't let Knifemaker know about this thread!
X2
First thing that came to mind when I saw it. lol

02 honda sabre 1100
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post #7 of 19 (permalink) Old 03-16-2009, 06:35 AM
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I checked the schedule and KM will be in today, I am sure he will be overwhelmed with joy that someome strarted another fricken OIL thread. It has been a long time since we had one though, it's been what? five fricken days since the last one.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

Best Auto/Moto Insurance | Motorcycle Protection Today | FREE Trade-In Quote

Last edited by lance328; 03-16-2009 at 09:43 AM.
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post #8 of 19 (permalink) Old 03-16-2009, 07:54 AM
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Quote:
Originally Posted by niterider View Post
X2
First thing that came to mind when I saw it. lol
LOL!!!! Me too!!!
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post #9 of 19 (permalink) Old 03-16-2009, 08:44 AM
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Hey, lets beat KM to the punch...lol...
Dear Knifemaker;
Please cut this poor new comer a bit of slack, this is only his 3rd post and he don't know any of us yet, please give him a chance......
Have a good one...Old Dog...
BTW-I am using Shell Rotella T 5w-40 Synthetic, with what seems to be no problems...

Southern Central Tennessee.......
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post #10 of 19 (permalink) Old 03-16-2009, 10:34 AM
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Here in Arkansas I use a 15w40 and during the hottest months (July and August) switch to a 20w50

Rule of thumb is stay away from any 30 weight oils since they are the ones with the "energy-conserving friction modifiers" that are bad for our wet clutches.
Our bikes share the same oil for engine and clutch. So with that being said, the main concern is clutch performance when it comes to oil.
One thing that many complain about is clutch grab or chatter when first starting out. This can be avoided regardless of what oil is used if you follow this very simple start-up routine:
1. Let the bike warm up before taking off
This let's the oil warm up to operating temps
2. Squeeze the clutch lever 6-10 times
This "frees up" the clutch plates and helps the oil circulate between them

Dianna
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