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for those who feel like they have to drill holes in sleds.....check this out

exact same thing happend to a buddy of mine right before he got to the water :eek: (late yr riding) woulda been cold. Some serius force from them, i would save weight from somewhere else.. How about workout and loose some fat instead of make the sled dangerous..
 
Footwell Vents

I can see the same potential (esp now!) with cutouts for footwell vents.
 
When we had fiberglass hoods it was very common to loose the hood when a belt blew...which was about every ride!
 
two belts and one clutch

I'm up too 240 # these days and my 900 cat is probaly 500# plus.........


no wonder I've had two belts explode !!

first time a belt went, i accutaly thought the engine had blew....very loud and violent......kinda like my first wife:rolleyes:. anyway I agree...leave the belt cover intact!


peace out,

johnny




.
 
Swiss Cheese

2285155870_2d70f3bb44.jpg
 
Don't fool yourself into thinking a new belt can't explode like that, I have seen it happen.
Have also blown a belt, bent the footwell and my toes were knumb for 5 minutes.
Very scary!
 
regular maintenance will prevent this from happening.....i bet good money this belt was showing thread for awhile

This is a fact

Belts don't generaly explode or break unless they've been worn badly, if you break a belt in properly and inspect it before each trip it won't happen. Anyone that breaks a new belt has a reason for it happening. So if you neglect your sled then don't drills holes in it or remove belt covers. I personaly don't run a cover and haven't for over 4500 miles, no blown belts. Replace belt every year regardless, running about 1000-1500 mountain miles a year.Now this isn't good advice for those that don't have the knowledge to properly inspect a belt. The same with clutches exploding if its maintained properly it'll stay together, all these stories I'm sure are a result of poor sled maintenance, or leaving a burnt belt from a bad stuck on a sled.

Now I can't wait to see the nay-sayers shouting about this, its just what I do and several others do that ride sleds pretty hard.
 
wish I had a pic of my buddies XP side panel that was SHREDDED on our last ride when his belt grenaded on him! Had his belt cover off having it powdercoated. Warmer day with deep powder + old belt = CARNAGE! It was ugly!!
 
I had a clutch blow apart on me a couple of years ago. Blew the belt gaurd into a perfect half circle but held most of the pieces back. Belly pan was'nt so lucky,blew a big hole in it. I was leaning way over on that side of the sled blowing up a steep deep hill when it blew. That belt gaurd I feel saved my life that day.
 
This is a fact

Belts don't generaly explode or break unless they've been worn badly, if you break a belt in properly and inspect it before each trip it won't happen. Anyone that breaks a new belt has a reason for it happening. So if you neglect your sled then don't drills holes in it or remove belt covers. I personaly don't run a cover and haven't for over 4500 miles, no blown belts. Replace belt every year regardless, running about 1000-1500 mountain miles a year.Now this isn't good advice for those that don't have the knowledge to properly inspect a belt. The same with clutches exploding if its maintained properly it'll stay together, all these stories I'm sure are a result of poor sled maintenance, or leaving a burnt belt from a bad stuck on a sled.

Now I can't wait to see the nay-sayers shouting about this, its just what I do and several others do that ride sleds pretty hard.


this belt had two rides on it. parallelism was out a touch. to not run a belt guard is pure ignorance. no matter how great of a wrench you think you are.

FWIW, I have 10k hard mountain miles without catastrophich belt failure, but when it happens you dang sure better have a guard.

RMkris it was a 020. it poped at about 70-80 mph and about 8200rpm on the secondary...pert near 10grand.
 
keeping powder and water off is the job of your hood.

that belt came off with so much force it would have taken your chin and pushed it through the vent on the back of your helmet.

you snap someone with a towel as hard as you can....it might leave a welt. now, how hard does a 20gram piece of belt have to hit a riveted and reinforced piece of 1/8" aluminum to bend it up like a pop can?.....I will answer that for you..............reallllllllllly hard.

the belt was less then 200 miles old and in good shape. I R&Red my secondary and cheaped out by not taking the time to measure it afterwards.....I just replaced the shims and took off. obviously something moved.

DAAAAYUUUUUUUUUUUM!!!!!!!!!!!!!! I am convinced!
 
This is a fact

Belts don't generaly explode or break unless they've been worn badly, if you break a belt in properly and inspect it before each trip it won't happen. Anyone that breaks a new belt has a reason for it happening. So if you neglect your sled then don't drills holes in it or remove belt covers. I personaly don't run a cover and haven't for over 4500 miles, no blown belts. Replace belt every year regardless, running about 1000-1500 mountain miles a year.Now this isn't good advice for those that don't have the knowledge to properly inspect a belt. The same with clutches exploding if its maintained properly it'll stay together, all these stories I'm sure are a result of poor sled maintenance, or leaving a burnt belt from a bad stuck on a sled.

Now I can't wait to see the nay-sayers shouting about this, its just what I do and several others do that ride sleds pretty hard.

I say Nay. If you think you can "inspect" a clutch and be certain that there will be no metalic breakage, you're high. Now I agree that you can cut down on catastrophic failures by taking the time to address worn parts and misaliegnment, but sometimes things just go sideways for no obvious reason. For instance, what if you break a motor mount, the belt could go in less than a blink. Try inspecting that while your highmarking. I have seen more "properly" maintained clutches pop on mod sleds than I would like to admit. I have seen cranks shear and the clutches come right out of the bellypan. You are not going to "inspect" that and know when its going to happen. Same goes for belts. The newer belts are light years better than they used to be, but somtimes with agressive clutching setups, certain snow condtions and that certain rider, belts just grenade. I've done it myself more times than I like to admit. Keep inspecting and maintaining your sled. That is GREAT. I do the same with my own. But, dont think you are above an unforeseen disaster. Gambling with your safety is just careless.



Remember this? NASA was fairly dedicated to inspecting too. It happens.

050609_columbia_hmed_6p.hmedium.jpg


SHMO
 
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My belt guard was bent out of shape last year from blowing a belt at 95mph. Id never ride without it. The hood breaks from simple rollovers sometimes so I doubt it would stop a belt spinning at 8000rpm or higher.
 
i lost a belt cooking down the trail at about 90, the thing almost ripped the belt gaurd out of its mounts, it ripped through a 1/8" peice of aluminum in front of my toe, luckily it was a double layered setup. things break, be safe.

heres a thought, take a hammer and see how much force it takes to blast a hole clear throught 1/8" aluminum, then think about that hitting you.

got belt gaurd??
 
:eek:That is a lot of force to bend that footwell. I've had them explode and damage the clutch gaurd but nothing like that. Yes they are there for a reason, keep'em on.
 
Freaky even more so since my belt guard is missing cause I am too lazy to rivet it back on.:eek:
 
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