Mr unhappy

Husaberg

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Joined
Jun 16, 2008
Messages
102
Location
Argyll , Scotland
well, went to the beach race this weekend (600mile round trip), did ten minutes on the saturday motorcross and the bleedin thing packed up. it had no compression so i checked the tappets and found the spring retaining collar had split in to three bits allowing the collets to come out and the valve got to meet mr piston. Its a bit annoying as its an 08 bike and i've done 70hrs on it, checking the clearances religiously and genrally being nice to it. has any one heard of this before? i heard that some KTM's have had a similar problem.
I was the only Husaberg there, its a shame it chucked it in front of the whole pits, i had to do the walk of shame pushing it through the pit.
 
jockular said:
well, went to the beach race this weekend (600mile round trip), did ten minutes on the saturday motorcross and the bleedin thing packed up. it had no compression so i checked the tappets and found the spring retaining collar had split in to three bits allowing the collets to come out and the valve got to meet mr piston. Its a bit annoying as its an 08 bike and i've done 70hrs on it, checking the clearances religiously and genrally being nice to it. has any one heard of this before? i heard that some KTM's have had a similar problem.
I was the only Husaberg there, its a shame it chucked it in front of the whole pits, i had to do the walk of shame pushing it through the pit.

Not heard that one before, it's usually the springs that let go. Have a word with Taffy about the dual spring set up, and get rid of those highly strung conical springs, they also come with new retaining collars.
A lot of the lads use them with good results.

Regards

Sparks.
 
RE: Re: Mr unhappy

I once had an exhaust valve spring break at 100 engine hours.

I lost compression and needed a friend with a pickup truck to bring me home but nothing else bad happened. No stray metal bits getting ground up in the motor. Ended up replacing all 4 valve springs and that was that. I guess I got lucky.

I'm currently up to 400 engine hours and 10,000 miles.
 
400 hours, thats re assuring, i was beging to think this bike was a bit soft, hopefully theres plenty of life left in mine once repaired but like i say it was the collar that went and not the spring, thinking about the spring upgrade but like to know a little bit more about it. like how many beer tokens they are?
 
the collars split on the early KTMs when they used the Ti caps with the conical springs. the springs are so strong that they made the collets snap the cap open into three pieces often in the middle of a race and right infront of the pits........

i am developing a dual spring kit that's just about done. i need to soure some stuff and then i'm ready.

i believe this is a first ever on a husaberg and given the above KTM history i would like to know what your cap is made of and whether it beloongs on your nike at all whatsoever....!

you're from the far north of scotland aren't you jockular?

regards

Taffy
 
Thanks Taffy, collets arer Ti, i'll strip the other ones out today and look for any signs of fracturing, i'll try and get some pictues posted later. i'm from Arygll, west of Scotland, but it doesn't make me a bad person. when do you rekon youll have your kits ready? will i have to sell one of the nippers to pay for it?

Thanks.
 
i really want to thrash the balls off my kit first before i sell them. it should tell me a lot first ride. and that will be this weekend i expect. cost will be £90 for the 4 valves plus postage.

regards

Taffy
 
Heres my collar in three bits, checked the other collars yesterday and they look fine, i think i'll fit new inlet in the mean time until Taffy's uprated kit is ready, unless you want some R & D done Taffy?
 

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