Best RPM for MPG ?? - Victory Forums - Victory Motorcycle Forum
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post #1 of 22 (permalink) Old 12-29-2018, 01:19 PM Thread Starter
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Default Best RPM for MPG ??

Starting my 2nd week of Victory XC ownership and was wondering what is the best RPM range for the best miles per gallon?
I've been watching the instant fuel milage but I know that these can be a little misleading.

Loving the bike so far. Went to Donut Derelicts, in Huntington Beach, this morning and hardly got off my bike before a couple people started coming over to complement and admire the bike.

I've found the handling to be much better than I expected and much better than my 1100 VStar.
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post #2 of 22 (permalink) Old 12-29-2018, 02:08 PM
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The best way I found to determine what rpm the engine likes in the different gears is to set the display to "Instant MPG" then just watch it as you ride around trying different rpm's in different gears.

I was somewhat surprised when a higher rpm yielded a better gas mileage much of the time. I guess in those rpms the engine isn't working as hard so it doesn't pull as much fuel.

Your mileage may vary...
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post #3 of 22 (permalink) Old 12-29-2018, 03:33 PM
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Around 3200 rpm on the highway gives me the most smiles per gallon


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post #4 of 22 (permalink) Old 12-29-2018, 07:16 PM
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When under 70 mph and in 5th gear, I get my best mpg.

2010 Midnight Cherry XR. 7Jurock, Lloydz AF, ATS, AFR tuned VFCIII, IAV, and T-6 and locally repacked pipes = big smiles. SOLD to a dear friend, so it's still in the family."
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post #5 of 22 (permalink) Old 12-29-2018, 10:18 PM
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2500 rpms at 67 mph nets me 46 mph in 6th 2up on my CCT.

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post #6 of 22 (permalink) Old 12-30-2018, 06:39 AM
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I have a couple of questions myself....
*Did you buy a motorcycle with a 106 cubic inch engine in hopes of the best possible fuel economy? That's what scooters are for.
*What makes you think there's a best rpm for anything? RPM is dependent on road speed and gear selected. If you are cruising at 60 mph you have choices, such as, 5th gear @2500 rpm or 6th gear @2000 rpm. (5th @2500 will return better mileage, sounds counterintuitive, but it will). Once you get to 6th gear and above a certain speed, your choices get slim. Cruising at 75-80 the rpm will be what the rpm is… you're out of gears.

Just ride the motorcycle and try to enjoy yourself. Pay attention to your surroundings and plan ahead. Stop looking at the dash... that's how you get killed.
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post #7 of 22 (permalink) Old 12-30-2018, 11:13 AM
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My dearly departed brother was also a motorcyclist, but we had a hard time riding together, because he was a mileage freak. He didn't like that I stopped for gas before he needed to, even though we had identical bikes - we did that with cars too. I had to gas up because I was using lower gears than he in the twisties and going up hills. One time, when he was chiding me, I told him that tickets for a more exciting theater show are more expensive because you are seeing a better show. I'm seeing a better show. He stopped carping about my getting lower mpg.
The moral here is, if you really wanna have fun, you pays for it! So ride your ride - you bought a toy, play with it.

2010 Midnight Cherry XR. 7Jurock, Lloydz AF, ATS, AFR tuned VFCIII, IAV, and T-6 and locally repacked pipes = big smiles. SOLD to a dear friend, so it's still in the family."
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post #8 of 22 (permalink) Old 12-30-2018, 05:32 PM
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Was I the only biker that understood the man's question without berated him on the "why" part of mileage? Holy crap it was an honest question that I found easy enough to answer.

Things like size of tank and fuel mileage do matter to a lot of us. I wouldn't have bought my CCT if the dealer told me that it gets 20 mpg's because it's got a 106 cubic inch motor so what do you expect!

Honda downsized the new 2018 Gold Wing's tank by a gallon and they are hearing tons of negative feedback on how that might affect it's range. Hopefully Honda won't answer with, "you bought a motorcycle just shut up and ride" remark.
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post #9 of 22 (permalink) Old 12-30-2018, 06:34 PM
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Honda was comfortable with reducing the tank size because they lightened the bike, improved the aerodynamics, increased the fuel mileage of the engine to the point where it's a wash in terms of range.
Blowndoggie, how long do we have to stand in the corner you put us all in?

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post #10 of 22 (permalink) Old 12-30-2018, 06:49 PM Thread Starter
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I didn't buy the XC 106 for economy but i did buy it to take longer trips. 2 weeks in to ownership and I'm already surprised that it's getting better MPG than my VStar 1100 so it's clear a bigger engine can get better economy.
Every engine has a sweet spot where economy peaks in the power curve and that sweet spot is generally where an engine is happiest and has the least amount of wear. Some engines it's a lower RPM and in others it's a higher RPM. I was curious, as a new owner, what others might be experiencing and where the sweet spot was.

I've been riding 45+ years and and lately ride about 7K to 8K miles a year so I agree with your statement: Just ride the motorcycle and try to enjoy yourself. Pay attention to your surroundings and plan ahead. Stop looking at the dash... that's how you get killed. This is why I don't listen to radios while riding. But you do have to look at the dash regularly to ensure everything is operating OK.
It was just a simple question that most answered straight forward and I appreciate all of you and the answers you provide.
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