parthunter
Active member
brand new summit x 154 - second ride and this happens..
broken clutch - any ideas why?
- Thread starter parthunter
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slededjr
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It looks 10 years old. Lots of dirt,belt dust and sludge for brand new? Usually overheating is the cause. The issue for overheat is what needs to be determined? Alignment, bad rollers, spring etc?
ferniesnow
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Did the secondary support bolts let go? There was a warranty recall to replace the bolts.
skegpro
Active VIP Member
Holy **** that must have got your attention.
I wonder if that is on the low tolerance part of the wobble?
Stiffer belt fatigued the cast aluminum and she went boom?
SidewaysInto3rd
Active VIP Member
How old can it be. It’s a blue sled !
But I’m amazed on how dirty it is ....
Bad casting ?
Sheered off helix bolts (happened to me last year but didn’t end up like that at all!)
Broken rollers ?
Time for new clutches under warranty.
At least they’ll be clean now lol.
skegpro
Active VIP Member
Dirty cause that belt probably got a few revolutions in before/after it failed and made that mess.
I am honestly amazed that belt isn't shredded.
The Kickass One
Active VIP Member
Definitely warranty!! I would guess bolts on helix backed out or faulty secondary.
Last edited:
Big A
Active VIP Member
It’s obviously an ‘18, Blue with the new primary so what else could it be guys? Also the dust is obviously from the broken outer sheave chewing on the belt when it let go.
Parthunter, you got any more info on what happened? Was it the bolts that hold the jack shaft bearing that broke and threw everything out of whack or something else?
Parthunter, you got any more info on what happened? Was it the bolts that hold the jack shaft bearing that broke and threw everything out of whack or something else?
slededjr
Active VIP Member
Dust is one thing, look at the amount of sludge/grime on the belly pan? WTF is that from? No way that only appeared once the clutch broke.
skegpro
Active VIP Member
Well I am pretty sure the metal shrapnel coming unglued at 8000 rpm has the capability of doing some damage.
Maybe some of the clutch went through the oil reservoir.........
slededjr
Active VIP Member
Oil makes sense. Seen that kind of mess but the belt is usually melted and blown to pieces as well.
snopro
Active VIP Member
In all my years in the industry I have never seen a secondary clutch that bad. I'm thing warranty recall bolts not done yet and the clutch went freestyle or something went through it? Like Ray said maybe some tools?
treeboy
Active VIP Member
Had something similar years ago but with a primary on my old Yamaha. Not even 8 rides on the brand new clutch before it blew apart, also took out my secondary, side panel, hood, and foot well. Lucky I wore steel toes boots at the time. Turned out the primary was badly casted.
hbar218
Active VIP Member
My 98 Summit X was blue, but it is probably cleaner than that.lol
bobsledder
Active VIP Member
X2 on that. Mine were NFG and replaced before I rode it
Lund
Active VIP Member
Holy F@ck, your an animal, just stay away from my shet.
SidewaysInto3rd
Active VIP Member
Holy crap you are right. Good catch!
How the heck does the belt turn inside out like that !
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