Horsepower of FE550S
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Forty-Eight to Fifty- Two as delivered.
Lineaweaver Tuned (Jet Kit) 550
Properly tuned Fifty-Five is realistic without going inside the engine.
Dale
Lineaweaver Tuned (Jet Kit) 550
Properly tuned Fifty-Five is realistic without going inside the engine.
Dale
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DALE
I've been thru your gallery and I just went thru again to comfirm the information wasn't already there before (and after) I asked the question. You have quite a few dyno runs there but I don't see a 2004 - 2006 dyno for the 450.
Just curious since you posted your jet kit chart on the 550, no big deal.
Thanks
I've been thru your gallery and I just went thru again to comfirm the information wasn't already there before (and after) I asked the question. You have quite a few dyno runs there but I don't see a 2004 - 2006 dyno for the 450.
Just curious since you posted your jet kit chart on the 550, no big deal.
Thanks
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I do not have a single Dyno graph for a 100 mm bore 450. In my opinion said engine is grossly over-square and as a result never captured my interest.
My Jet Kit for the Keihin equipped over-square 450 was developed via field testing.
Dale
My Jet Kit for the Keihin equipped over-square 450 was developed via field testing.
Dale
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Hi lineaweaver
I couldn´t find a graph for the FE 400, do you have one?
I was surprised to see, that the 501 1994 has so much more power than a KTM 450 2005!!
I used to drive a 450 EXC from 2003, now i drive a 501 FORCE from 2005, i would say they have just about the same power, but maybe i´m getting used to having more power?? How would you compare the 2??
Sorry about my english, hope you know what i mean!
P.S. I also have a FE 400 2001, how would you compare this against the 2 others?
I couldn´t find a graph for the FE 400, do you have one?
I was surprised to see, that the 501 1994 has so much more power than a KTM 450 2005!!
I used to drive a 450 EXC from 2003, now i drive a 501 FORCE from 2005, i would say they have just about the same power, but maybe i´m getting used to having more power?? How would you compare the 2??
Sorry about my english, hope you know what i mean!
P.S. I also have a FE 400 2001, how would you compare this against the 2 others?
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I do indeed have graphs for the 400. Unfortunately everything is archived on a CD and I am currently without spare time to retrieve and post it.
If memory serves the 400 was in the high thirties.
Their is a race built pre 2001 400 in my gallery.
Kind Regards,
Dale
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OzIceman said:
If memory serves the 550 makes considerably more Horsepower in the middle and four or so more on top.
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So i guess the WR450F would have more rear wheel power than the FE450e, the reason with me asking is i am looking into buying a new berg but cant decide on a 450 or 550, after having riden a mates WR450F i would like something along the same power lines maybe a little more in the bottom end
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Hi Dale
Have you ever worked on the really early bergs? i have one of the original 10 brought into the uk, a 1990 fc501, tuned by sct and supposed to have been built for Geraint Jones, but i struggle to find any figures on power for bikes that early, i know its a nasty bike but dont know HOW nasty haha... any ideas?
Have you ever worked on the really early bergs? i have one of the original 10 brought into the uk, a 1990 fc501, tuned by sct and supposed to have been built for Geraint Jones, but i struggle to find any figures on power for bikes that early, i know its a nasty bike but dont know HOW nasty haha... any ideas?
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husadaddy501 said:
I have indeed.
Your 1990 501 came with a 92 mm bore and 75.5 mm stroke.
Post 1994 501 engines are 95 mm bore and 70.7 mm stroke.
Dale
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OzIceman said:
Based strictly on reported hard data the Husaberg 450 is a pooch compared to the WR450F. My "personal" advice is to go with the 550.
Disclaimer:
Such a statement as above does not indicate the Husaberg 450 to be junk. Their is no secret, the Husaberg 450 is down on power compared to the competition.
Dale
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the 400 was tested here in the UK bog stock and on knobblies at 28 RWBHP which i believe is about 31 with a decent tyre. dale has tuned a 400 to 46.6 BHP and a long stroke (LS) 450 to 55 BHP.
the modern (SS) 450 is considered to be about 6 BHP down on the yam and about 8 on the honda which is quite a lot!
i have tuned my 400 and i guess power now stands at around 42. it was tested at 38 and i've done a lot since.
regards
Taffy
the modern (SS) 450 is considered to be about 6 BHP down on the yam and about 8 on the honda which is quite a lot!
i have tuned my 400 and i guess power now stands at around 42. it was tested at 38 and i've done a lot since.
regards
Taffy
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"I have indeed.
Your 1990 501 came with a 92 mm bore and 75.5 mm stroke.
Post 1994 501 engines are 95 mm bore and 70.7 mm stroke.
Dale"
Hi Dale
Not being a living engine computer myself this goes straight over my head haha. I know the 1994 501 made good power after looking at the dyno sheets on your gallery, but what difference would the bore and stroke modifications make?
Regards Mark
Your 1990 501 came with a 92 mm bore and 75.5 mm stroke.
Post 1994 501 engines are 95 mm bore and 70.7 mm stroke.
Dale"
Hi Dale
Not being a living engine computer myself this goes straight over my head haha. I know the 1994 501 made good power after looking at the dyno sheets on your gallery, but what difference would the bore and stroke modifications make?
Regards Mark
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