Question fellas. What gas should i use for my yz 450f . I have been using Sunoco 93. I was thinking about some vp fuel. Will the different fuel make a difference in power on a stock yz 450 with a fmf 4.1 pipe? 
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2017 yz450f fuel
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I use sunoco 110 gas in my kx. Makes a world of difference in throttle response and overall power. Plus the benefit of having clean gas is awesome too. People will say it kills performance but my ass dyno says otherwise. If its not a financial burden then do it.
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2009 Kawasaki KX450F
2009 Kawasaki KX250F
2002 Suzuki GSXR 600
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I am going from memory here...
I believe the manual calls for 95 octane fuel. This should be your minimum.
Cheapest would be 100LL Av gas.
Next would be 25/75 50/50 75/25. Recreation (no ethanol) fuel cut with VP110
https://vpracingfuels.com/product/vp-110/
Then rec fuel 25/75 / 50/50 75/25 with VP T4
https://vpracingfuels.com/product/t4/
It all depends what the octane of the Rec. fuel is to start with. It is 90 around here.
Next is VP T4 straight up, no ice.
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A big thanks goes out to Donnie at Morgantown Powersports and RJ at Beaver Creek Cycles
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VP T4 is a great pump gas replacement and is a bit cheaper than some of the other fuels. If you want to remap try the VP MR12, or the U4.4 fuel
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2011 Yamaha YZ 250 -MX
1996 Yamaha Banshee 350 -Trails
1982 Chevy S10
2005 Pontiac GTO -451rwhp
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eric513anderson wrote:VP T4 is a great pump gas replacement and is a bit cheaper than some of the other fuels. If you want to remap try the VP MR12, ...more
All of these fuels are just a higher octane gas or some type of ethenol?
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eric513anderson wrote:VP T4 is a great pump gas replacement and is a bit cheaper than some of the other fuels. If you want to remap try the VP MR12, ...more
2017yz450fguy wrote:All of these fuels are just a higher octane gas or some type of ethenol?
The fuel specs are on their websites. Vp, renegade, dragon, ti-lube.
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eric513anderson wrote:VP T4 is a great pump gas replacement and is a bit cheaper than some of the other fuels. If you want to remap try the VP MR12, ...more
2017yz450fguy wrote:All of these fuels are just a higher octane gas or some type of ethenol?
If I remember correctly T4 is ethanol free. MR12 & U4.5 are both oxygenated. I wanna say all of them are somewhere around 105 octane. Don’t know for sure tho
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2011 Yamaha YZ 250 -MX
1996 Yamaha Banshee 350 -Trails
1982 Chevy S10
2005 Pontiac GTO -451rwhp
Posts: 20180
Joined: 6/15/2010
Location: Bowie, MD USA
eric513anderson wrote:VP T4 is a great pump gas replacement and is a bit cheaper than some of the other fuels. If you want to remap try the VP MR12, ...more
2017yz450fguy wrote:All of these fuels are just a higher octane gas or some type of ethenol?
eric513anderson wrote:If I remember correctly T4 is ethanol free. MR12 & U4.5 are both oxygenated. I wanna say all of them are somewhere around ...more
That's why I said read the specs on the website.
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eric513anderson wrote:VP T4 is a great pump gas replacement and is a bit cheaper than some of the other fuels. If you want to remap try the VP MR12, ...more
There’s a new version of T4 called T4E. It’s a New forumula with better performance. Direct pump replacement, no need to drain the tank or anything.
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CarlinoJoeVideo wrote:There’s a new version of T4 called T4E. It’s a New forumula with better performance. Direct pump replacement, no need to drain ...more
I'm betting the e in the T4e stands for ethanol based, at least that's how they labeled M109 and M109e. T4 is also oxygenated but it uses MTBE instead of ethanol. I believe T4e ethanol blended fuel is for places that have regulated the use of MTBE.
I would use the straight T4 in a stock 4-stroke, especially in a 450.
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I will take that bet for a $100...
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A big thanks goes out to Donnie at Morgantown Powersports and RJ at Beaver Creek Cycles
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CarlinoJoeVideo wrote:There’s a new version of T4 called T4E. It’s a New forumula with better performance. Direct pump replacement, no need to drain ...more
VP says there's no ethanol in T4E. They are actually working on changing the name because everyone is under that assumption, including myself. They say it's a better blend and better formula than the original T4.
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