which grade of gasoline do you use
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Cruiser
Joined: Jun 2007
Posts: 203
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From:
which grade of gasoline do you use
Iv been runniung Premium in my 07-Bob. I think I will try a few tanks of Regular and see if I notice any difference. If I dont notice any difference then I will continue to use Reg. and save my self $ .50 a gallon.From 91 octane to 87 cant make that kind of a difference except in your wallet.
Elite HDF Member
Joined: Aug 2007
Posts: 4,722
Likes: 7
RE: which grade of gasoline do you use
I'm no expert but from what I've heard, it can and will make a difference. If there was no difference, why would they sell premium? HD recommends premium - actually a bit stronger than a recommendation - they require it according to the owner's manual. Yes it costs more but it's pennies compared to the cost of your bike, etc. Premium is like 20 cents more a gallon where I live - not sure where you are or why it would be 50 cents more but, still, you are talking about a couple of bucks max. I don't know the downside of using lower octane gas because I've never tried it but assume there is potential knocking and pinging and that is probably not good for the motor in the long run. My sister-in-law had a german car that required premium and it absolutely would not run right with regular or even the mid-grade gas. She finally traded it for a cheaper model that would run regular gas.
I'm sure you'll get a much more technical explanation but I wouldn't try it if I were you until you are convinced it's not a problem where you could end up paying what you saved and then some in the long run.
I'm sure you'll get a much more technical explanation but I wouldn't try it if I were you until you are convinced it's not a problem where you could end up paying what you saved and then some in the long run.
Cruiser
Joined: Oct 2007
Posts: 193
Likes: 0
From: Los Angeles
RE: which grade of gasoline do you use
I remember reading about how it makes your bike run a bit leaner and you'll hear more decel pops. Can't confirm that though. And yeah I also put 92 in my bike.
Tourer
Joined: Feb 2007
Posts: 386
Likes: 0
From: Newnan, Georgia
RE: which grade of gasoline do you use
Not a wise move in my opinion...it could present a warranty issues now, orcausemotor problems down the road after the warrant has run out ; all for the sake of saving $2.50 per fill up. Whats the old saying "penny wise and dollar foolish" !
Outstanding HDF Member
Joined: Sep 2007
Posts: 3,074
Likes: 12
From:
RE: which grade of gasoline do you use
i had to run regular 1 time station was out of prem and i was out of gas
Bike pingged loud under acceleration ran it out (only 1/2 of tank) run prem only
Bike pingged loud under acceleration ran it out (only 1/2 of tank) run prem only
Road Master
Joined: Apr 2007
Posts: 1,197
Likes: 0
From: USA
RE: which grade of gasoline do you use
Premium in my 07 SB.
8500 miles with no problems, I think Iâll stick with it.
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Tourer
Joined: Oct 2007
Posts: 273
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From: Lemoore Ca
RE: which grade of gasoline do you use
I agree with what has been said also. Another thing is that with the higher compression you need the higher grade.
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Road Captain
Joined: Nov 2007
Posts: 588
Likes: 1
From: North Carolina
RE: which grade of gasoline do you use
After dropping 16k on a new bike I don't worry about .20 cents per gallon more. HD doesn't get a kick back off gas so I know that they are recommending it for a reason. I will run nothing but the higher octane. JMO.
Outstanding HDF Member
Joined: Jun 2007
Posts: 3,306
Likes: 5
From: Bellville, Tx
RE: which grade of gasoline do you use
I have run 93 oct in all my HDs, knuck, pan, shovel and Evo. All had 8-1 compression but as explained to me, the slower burning 93 makes use of the long stroke traditional in HDs. A little longer burn runs cleaner and smoother, can't vouch for the cooler bit. Just know none of the above bikes ran as well on low oct gas. The old 7-1 45s would run on anything and had to back in the old days.