Premium, Mid grade, or regular? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
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post #1 of 22 (permalink) Old 02-07-2007, 09:20 AM Thread Starter
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Premium, Mid grade, or regular?

I just wanted to know what grade of gas i am to use. I use Premium is this bad for the engine?




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post #2 of 22 (permalink) Old 02-07-2007, 09:25 AM
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regular gas is fine for the Vulcan....not sure if premium is bad for the bike but it IS for your wallet

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post #3 of 22 (permalink) Old 02-07-2007, 09:27 AM
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Our bikes are designed, engineered and intended to run on regular gas. Higher octane gasoline does not burn off effectively and can eventually cause buildup. If you have been running premium, start weaning your bike off of it.
Your bike will feel better and your wallet will too.

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post #4 of 22 (permalink) Old 02-07-2007, 09:40 AM
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If you want to "pamper" your engine, instead of using premium grade fuel, you'd be much better off instead switching back to (and staying with) regular grade....and using about 4 ounces of "Seafoam" fuel treatment at one fill-up, about once a month.

Also: use Seamfoam--and stay away from "Stabil"....
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post #5 of 22 (permalink) Old 02-07-2007, 09:53 AM Thread Starter
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Ok,

Now here is the thing. I do notice a diffrence in responce between the premium and the regular will the seafoam compensate? My last bike a VF750 interceptor i ran 108 octane racing fuel in. There was a real diffrece there untill i spun a main bering dooing 135.



The Complete rebuild of Lulu my 2004 Lady in RED!

What I Think Kawasaki ment by Fire and Steele!

https://www.vn750.com/forum/showthread.php?t=3542

Preformace inhancing parts:

TOC MCCT's, Iridum Plugs, Racing clutches, K&N Air filters, Marbled, Jardeen rumblers, and 170 80 h15 avon venum rear tire.

Kinda like Steroids for my Lulu



:
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post #6 of 22 (permalink) Old 02-07-2007, 10:02 AM
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Quote:
Originally Posted by LurchChaos View Post
Ok,

Now here is the thing. I do notice a diffrence in responce between the premium and the regular will the seafoam compensate? My last bike a VF750 interceptor i ran 108 octane racing fuel in. There was a real diffrece there untill i spun a main bering dooing 135.
Big difference between that v4 honda motor and our v2. Stick to regular unleaded in your Vulcan.

Jon

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post #7 of 22 (permalink) Old 02-07-2007, 10:42 AM
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Seafoam does a wonderful job of fighting/removing moisture & fuel residue in fuel systems and lines...and keeps carbs/fuel injectors clean. Also lubricates engine's top end. Pour Seafoam in first, then top off your gas tank.

What you'll find is that Seafoam really does it best when it's allowed to sit overnight both in the carbs and the tank for a couple of days.

And, depending on how much build-up you have in your bike, more than one or two treatments of the stuff may be necessary.

Anyway, others here on the forum agree...it's a "tune-up in a can"....

For another perspective on Seafoam, click on the following link:

http://www.webbikeworld.com/sea-foam/
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post #8 of 22 (permalink) Old 02-07-2007, 12:40 PM
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I concur with other responses here, use regular, it's what the bikes designed to use, and will cause the least problems with fouling, etc...

Steve in TX
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post #9 of 22 (permalink) Old 02-07-2007, 04:37 PM
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i use mid (89 octane) no fouling problems and seems easier to fire up first thing in the am. i get better gas milage by about 2 or 3 mpg. with its samll tank and limited range that 2 or 3 miles is a livesaver at times.

ride m safe J
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post #10 of 22 (permalink) Old 02-07-2007, 07:09 PM
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Cool

I am using 93octane in my bike.I think this subject was brought up before!I use the 93octane for the anti knock qualitys.I hate it when an engine wants to {ping}knock I also put a few drops of acetone in to it helps to atomize the fuel better.No carbon deposits.Better ignition cleaner burn.Thats the ticket..............
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