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June 10th, 2017, 01:36 PM   #1
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I Ride: 2002 fs 650e and 2004 fe 450 enduro
How many hours on your bergs before rebuilds?

evening gents, iv got an 04 fe450 enduro which has an all singing all dancing rebuild from the ground up 74 hours ago, question is I think my mains are failing, engines getting louder and rumbles terrible on the last ride out! Iv stripped top end and clutch side etc but nothing there so I'm suspecting main bearings which I know are a common fault but think these were swapped out on the rebuild for ball bearings (by a well known member on here in the uk) it had new piston, dual valve spring kit and the crank mod where the oil feed is welded and a channel ground out etc for a stronger crank, surely it should do more than 70 hours? I'v maintained her like a child! Oil every few hours , airfilter every ride etc wouldn't mind but the rebuild cost me £1600
Thanks from bushmechanic and FE350
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June 10th, 2017, 03:20 PM   #2
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200hrs "racing" but if the riding is gentle then a little 450 should go 4-500 hours

Originally Posted by mudmuncher2013 View Post
evening gents, iv got an 04 fe450 enduro which has an all singing all dancing rebuild from the ground up 74 hours ago, question is I think my mains are failing, engines getting louder and rumbles terrible on the last ride out! Iv stripped top end and clutch side etc but nothing there so I'm suspecting main bearings which I know are a common fault but think these were swapped out on the rebuild for ball bearings (by a well known member on here in the uk) it had new piston, dual valve spring kit and the crank mod where the oil feed is welded and a channel ground out etc for a stronger crank, surely it should do more than 70 hours? I'v maintained her like a child! Oil every few hours , airfilter every ride etc wouldn't mind but the rebuild cost me £1600
Originally Posted by mudmuncher2013 View Post
I don't hold anything against taffy, I do find some of his work questionable and have had a few issues, but I do realise that a 2004 husaberg won't perform like a brand new bike and they do require more work than most bikes, just needed advice as to what I should be looking at guideline wise for use etc before rebuilds, never owned a bike long enough between rebuilds to know, but I plan on keeping this bike for eternity and possibly adding bergs along the way,

Taffy I can't afford to keep travelling 4 hour round trips to yours to sort the issue out everytime something fails, I might aswell buy a new bike for the time and money it would cost me, your more than welcome to travel to my house and put it right though

Last edited by bushmechanic; June 11th, 2017 at 01:56 PM.
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June 11th, 2017, 12:41 AM   #3
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I must say Once Again ???? Why People, when will you learn?
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June 11th, 2017, 01:35 AM   #4
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if I did this engine I wouldn't fit ball mains? give me a call and let's get to the bottom of it OK?

Taffy
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June 11th, 2017, 01:55 AM   #5
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4 hrs I got from a 1400£ new engine rebuild

Wasn't the bike fault but the person who put his hand in it
If you need help from a mechanic I can pm contact numbers but stay away from taffy
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June 11th, 2017, 05:10 AM   #6
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I Ride: 2002 fs 650e and 2004 fe 450 enduro
I don't hold anything against taffy, I do find some of his work questionable and have had a few issues, but I do realise that a 2004 husaberg won't perform like a brand new bike and they do require more work than most bikes, just needed advice as to what I should be looking at guideline wise for use etc before rebuilds, never owned a bike long enough between rebuilds to know, but I plan on keeping this bike for eternity and possibly adding bergs along the way,

Taffy I can't afford to keep travelling 4 hour round trips to yours to sort the issue out everytime something fails, I might aswell buy a new bike for the time and money it would cost me, your more than welcome to travel to my house and put it right though
Thanks from bushmechanic and FE350
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June 11th, 2017, 05:36 AM   #7
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you have done all the good point oil/air filter maybe check valves once in while
(that's what I been doing on other bike) piston 70/80 hrs on the 450 (crf,rmz) on racing condition for prevention (they didn't actually need it)

you are not going to spend the same amount as before...if top is fine

I am the same as you I haven't put much hrs on it less then 10 but you heard people in here with 500hrs and me with 4hrs

fault happen...loving your bike is the only way to prevent them (oil,air filter, check valves ) ..maybe after you sort this issue the engine could outlast you

...and to add
Best person to ask about bearing is bush he have a good thread in here with good suggestion
On my bike as I send the case to mill I ask if it was possible to fit bigger bearing for realibility and I was suggest not to because when they move production in Austria in 2004 the case went lighter and by fitting a bigger bearing could cause more damage then preventing it

Last edited by paolo6; June 11th, 2017 at 07:11 AM. Reason: Svsv
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June 11th, 2017, 07:34 AM   #8
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Originally Posted by paolo6 View Post
you have done all the good point oil/air filter maybe check valves once in while
(that's what I been doing on other bike) piston 70/80 hrs on the 450 (crf,rmz) on racing condition for prevention (they didn't actually need it)

you are not going to spend the same amount as before...if top is fine

I am the same as you I haven't put much hrs on it less then 10 but you heard people in here with 500hrs and me with 4hrs

fault happen...loving your bike is the only way to prevent them (oil,air filter, check valves ) ..maybe after you sort this issue the engine could outlast you

...and to add
Best person to ask about bearing is bush he have a good thread in here with good suggestion
On my bike as I send the case to mill I ask if it was possible to fit bigger bearing for realibility and I was suggest not to because when they move production in Austria in 2004 the case went lighter and by fitting a bigger bearing could cause more damage then preventing it

Thanks for the info, I checked valve clearance regularly, I'm phone taffy on Monday and discuss some options
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June 11th, 2017, 01:14 PM   #9
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Originally Posted by mudmuncher2013 View Post
Thanks for the info, I checked valve clearance regularly, I'm phone taffy on Monday and discuss some options
make sure you pay him by card you might figured that out. all the best
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June 11th, 2017, 10:35 PM   #10
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Originally Posted by mudmuncher2013 View Post
evening gents, iv got an 04 fe450 enduro which has an all singing all dancing rebuild from the ground up 74 hours ago, question is I think my mains are failing, engines getting louder and rumbles terrible on the last ride out! Iv stripped top end and clutch side etc but nothing there so I'm suspecting main bearings which I know are a common fault but think these were swapped out on the rebuild for ball bearings (by a well known member on here in the uk) it had new piston, dual valve spring kit and the crank mod where the oil feed is welded and a channel ground out etc for a stronger crank, surely it should do more than 70 hours? I'v maintained her like a child! Oil every few hours , airfilter every ride etc wouldn't mind but the rebuild cost me £1600
Had an 08 many moons ago. And had to set valve clearance every 5h.
Shims ftw! ive had two 70 degrees now and they run 300 hours plus racing without failure.


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