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2011 spyder min. octane 87. Just wondering what others are using
- Thread starter Boomer2
- Start date
Bob Denman
New member
:roflblack: 
:crackpipe:
:crackpipe:Smokinspyder
New member
ya what octane is a can of worms ALL the time . I prefer to use premium in mine just force of habit from sport bikes. I know higher octane gas wont really improve gas mileage etc typicall unless your motor is worked over etc. But if i recall higher octane will help with a cleaner detonation and a few other misc stuff, but if the min rating is 87 and you want to run 87 feel free it definately wont hurt it . if you want to run the expensive stuff freel free its power of choice ! that is until you deck your head, put high compression pistons , diff cam and mess with your fuel mixtures etc then you need high price gas like 100 + octane or C16 race fuel . but for my answer since they can run on 87 octane put in what your little heart or wallet wants
Something i was told when i started riding sport bikes years ago . your right hand/foot can determine your fuel consumption to " lead foot" or lead wrist LOL
Something i was told when i started riding sport bikes years ago . your right hand/foot can determine your fuel consumption to " lead foot" or lead wrist LOL
Last edited:
RoadHammer
New member
well maybe..... but i feel really really rich rich rich when i bomb around on the spyder !:thumbup::thumbup::thumbup:
bone crusher
Alignment Specialist
Facts show there is no difference in performance...there have been tons of threads on this topic over the last 3 years that I've been on the board...nothing has ever shown a gain in performance...
BajaRon
Well-known member
I've got a 2007 SM5 and I have done, what I consider, extensive fuel testing.
I use Premium fuel for 2 reasons.
1- I've run a lot of tanks through my Spyder on long distance trips (East Tennessee to California and back, Canada and back, Kansas and back). All Freeway, mostly flat driving. I'd run 3 or 4 tanks of one grade fuel and then switch to another grade. I consistanly got 2-4 mpg more with premium over regular. Mid-grade seemed to give me a bit more fuel mileage but it wasn't enough to be sure.
Every once-in-awhile I'd get a tank of non-ethonol fuel and I'd get another 3 or 4 mpg, but that is another story and I threw these results out of my figures.
2- Knowing how the Spyder deals with knock (pre-ignition of the fuel in the cylinder).
Most people think that Premium fuel has more energy or power than regular, but that is not true.
Higher octane simply reduces the chance that the fuel charge will ignite prematurely in the cylinder and is usually needed in high compression, high performance engines.
Add high ambient temps, hard riding and other factors to high compression and cylinder temperatures can easily ignite the fuel early.
Sure, you can run regular fuel in the Spyder. If it is cool and you're not riding it hard it will work fine. Even if everything I said above comes into play regular fuel will still work, but it isn't necessarily 'fine' depending on your perspective. That is because your Spyder's computer begins to make modifications to deal with this less than ideal situation.
Early ignition of the fuel is VERY BAD for any engine and must be avoided at all costs. So, your Spyder will begin to retard ignition, this cools the cylinder, prevents pre-ignition, and at the same time reduces power and reduces fuel mileage.
Your engine is protected and it will run just fine, but you'll not get the full potential from you engine in these circumstances.
So to run premium or regular isn't really a simple question. Knowing what each fuel grade does and how your Spyder deals with it can help you make the right decision for your conditions and your style of riding.
I use Premium fuel for 2 reasons.
1- I've run a lot of tanks through my Spyder on long distance trips (East Tennessee to California and back, Canada and back, Kansas and back). All Freeway, mostly flat driving. I'd run 3 or 4 tanks of one grade fuel and then switch to another grade. I consistanly got 2-4 mpg more with premium over regular. Mid-grade seemed to give me a bit more fuel mileage but it wasn't enough to be sure.
Every once-in-awhile I'd get a tank of non-ethonol fuel and I'd get another 3 or 4 mpg, but that is another story and I threw these results out of my figures.
2- Knowing how the Spyder deals with knock (pre-ignition of the fuel in the cylinder).
Most people think that Premium fuel has more energy or power than regular, but that is not true.
Higher octane simply reduces the chance that the fuel charge will ignite prematurely in the cylinder and is usually needed in high compression, high performance engines.
Add high ambient temps, hard riding and other factors to high compression and cylinder temperatures can easily ignite the fuel early.
Sure, you can run regular fuel in the Spyder. If it is cool and you're not riding it hard it will work fine. Even if everything I said above comes into play regular fuel will still work, but it isn't necessarily 'fine' depending on your perspective. That is because your Spyder's computer begins to make modifications to deal with this less than ideal situation.
Early ignition of the fuel is VERY BAD for any engine and must be avoided at all costs. So, your Spyder will begin to retard ignition, this cools the cylinder, prevents pre-ignition, and at the same time reduces power and reduces fuel mileage.
Your engine is protected and it will run just fine, but you'll not get the full potential from you engine in these circumstances.
So to run premium or regular isn't really a simple question. Knowing what each fuel grade does and how your Spyder deals with it can help you make the right decision for your conditions and your style of riding.
Smokinspyder
New member
Baja you said that so much nicer than I did LOL !!!
You're Right Baja
I agree with BajaRon. The difference from the RS and RT in compression ratio. Same engines but the RT is a higher compression ratio pushing not only more weight (200 lbs) but pushing more Mass through the wind. I only use Premium Fuel and have never had issues with stale fuel in my RT.
I agree with BajaRon. The difference from the RS and RT in compression ratio. Same engines but the RT is a higher compression ratio pushing not only more weight (200 lbs) but pushing more Mass through the wind. I only use Premium Fuel and have never had issues with stale fuel in my RT.
Bob Denman
New member
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