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August 1st, 2017, 06:30 PM   #1
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Joined: Jan 2014
From: Central Point, Oregon

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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
VP U4.4 and T4

I run VP T4 in my stock fe650 and just started running it in my stock 505XCF. There is definitely some performance enhancement with this fuel.

Interestingly I feel more enhancement in the 650 than the 505.

Has or is anyone running VP U4.4, is it worth it and what jetting changes did you make?

Thanks!

Last edited by Big Berg; August 1st, 2017 at 08:14 PM.
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August 2nd, 2017, 02:30 PM   #2
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From: Mammoth Lakes,CA

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I Ride: 2013 FE 501,2001 Honda SuperBlackbird 1100xx,1974 Yamaha Rd60,1991 Honda Xr250L,1991 Husaberg 499MX
I run the T4 as well. Seems to run a little better than pump fuel. And I was also curious about running 4.4.
Funny Big Berg same question,same restoration.
How's the old Berg' coming along? I've acquired all new oem plastic and fuel tank. Going to go all out,as funds allow.
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August 2nd, 2017, 03:11 PM   #3
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From: Central Point, Oregon

Posts: 186
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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
Originally Posted by JWStoehr View Post
I run the T4 as well. Seems to run a little better than pump fuel. And I was also curious about running 4.4.
Funny Big Berg same question,same restoration.
How's the old Berg' coming along? I've acquired all new oem plastic and fuel tank. Going to go all out,as funds allow.
Still working with Taffy to get the 92 plastics kit together for which I gave a fat down payment on.

I still need the rear fender and fork guards and guides. I would be satisfied if I/he could find the correct rear fender. I would then pay to have the original fork guards and guides restored.

If you have any leads let me know!

Thanks!
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August 2nd, 2017, 07:39 PM   #4
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I Ride: 2013 FE 501,2001 Honda SuperBlackbird 1100xx,1974 Yamaha Rd60,1991 Honda Xr250L,1991 Husaberg 499MX
I found an actual test of the Berg'.
Motocross Action August 91'.
It's about the only info I could find on her.
It shows Acerbis fenders on it from the factory.
You can still get the front fender from Acerbis. I had to get it directly from them. No one seems to carry it in yellow. It's called a Nost fender. The same applies to the rear. But,they don't make it anymore. I turned a new one up on eBay. Took a while. My project bike has the correct stuff,but terribly oxidized. Taffy has the correct seat cover if you need. He's slowly draining my bank account too. And yes,I'll have to clean up my fork protection as well. Can't seem to find those yet. It appears to me early KTM's used the same piece.
And I'm not sure how to deal with graphics. You? Are we going to have to suck it up and have them re-popped?
.
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August 2nd, 2017, 07:59 PM   #5
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From: Central Point, Oregon

Posts: 186
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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
I am going resto/mod and I know that is blasphemy to some Bergers. So I will use newer front fender and number plate, but want to retain the other OEM looking plastic. Seat cover and graphics will be custom of my own design. I really need the dang rear fender and I will be moving along good.
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