@@snowrulesnate I found one with like 2k miles on it for 400 bucks so it seemed worth it to me. Bottom end woulda been somewhere near 1400 for the whole deal
Bobby, I commend you for taking the time to properly gap your piston rings but I don’t think you positioned them correctly in the bore (vertical height wise) to get the correct reading buddy. You can gap a ring at the top of the bore but remember the taper will always be smaller (thus a tighter gap) lower in the cylider. Check that the gap should be measured with the ring positioned just above the ports.
Who gives a shit lol. If you know everything why watch an informational vid. Couldn’t imagine being that miserable. On another note I’m sure you could. Righty tighty all there is too it.
This is why I got a 4 stroke. I got sick of doing this every 2-3 years. That being said. If your gonna get a 2 stroke these are the better lasting engines to get. The 600 cleanfires can go this long as well. But the rest of them would be a miracle to go 10,000 and still look this good. Nice video.
yeah if you like a sled sound like a motorcycle go buy a 4 stroke . rebuilding a motor every 3 years not that bad if you cant handle rebuilding a motor every 3-4 years maybe snowmobile isn't for you
@@funtyes1970 Most of the 4 strokes from Yamaha sound like a crotch rocket. Some shared the exact engine from a R1. I always thought it was a pretty cool sound to have that instant Rev to 11,000 RPM. Some of them sound like a ATV which is weird. Skidoo does a great job with the 900 ace sound. It still sounds distinctly like a snowmobile.
i have 3 etec,one 2013 18000km,2011 800 etec,made the recall for piston clip at 6000km, i change pistons and ring at 33000 km still running very good,and a 850x renegade 2017 with 9000km nothing to say
The level of wear on this engine is no surprise. It makes bug torque at low revs and 160bhp is no slouch from 800cc. High revving four strokes won't get close on power/wight and anything big enough to get the job done will use more fuel.
New pistons in mine at 10000km. But not because the pistons were worn down but because the precious owner had issue with the reverse shutting off the engine. Turns out it was just a bad stator so the pistons were probably fine for another 5000km :D
Since you had this out , where is the thermostat at ? I’m used to Polaris sleds, it’s on top of the head. I don’t see anything that looks like a T’stat. Thanks for the video
@@bobbyrebussini1466 yeah after 6k youre pretty much on borrowed time. People give the manufactures hard times because the motors only last 6k, but its a 2 stroke. My dirtbike gets a piston every 30 hours, why should a sled be much different.
@@bobbyrebussini1466 lets hope. Cats ctec seems to be hit or miss. Youll get 6k miles outta it or youll get 60 miles. bummer they aren't coming out with anything new this year. Time buy buy a polaris!
What i dont like about dual ring in those motor if you have piston failure it will keep running messing up your cylinder with the single ring you can get lucky and save a cylinder
So the bottom end still has 10k on it? If that is the case you completely wasted your time. The main crank bearing on an 800 will go bad before the top end is worn out. I know this from experience.
@@bobbyrebussini1466 Sorry, I did not catch that it only had 1400 miles. I skipped through it, then I went back through the video, skipping again, to try and catch something about the bottom end. I have been in these motors and I just did not have the patience to watch the whole thing. I just wanted to worn anyone that might have an 800 motor that the crank bearings are something to not skip.
Привет из Якутии ! Как тебе 600 E-Tec, какой пробег, какой ресурс? У меня Skandic SWT 600 E-Tec, 2012 года, пробег 6500 км. Когда надо проверить, добавить Isoflex?
Never been a fan of synthetic oil in 2 strokes, we have used "Blue Marble" fossil based for 20 years in our Rotax engines. Chemical scientist that I bought a used sled from told me had researched oils for years and Blue Marble was his choice. Blue Marble claims smoother operation, cleaner engines and better fuel economy and I found all of that to be true. I will say we are running older sleds and engines and I cannot speak for the modern stuff but (knock on wood) we have never had an engine go down or show any signs of wear.
Thanks man. Well the purpose of honing is to allow tiny tiny channels for oil to live it. 2 strokes don’t need rings to “set” as in like a Chevy 350. No engine in history is mirror finish cyl wall so I wouldn’t try it lol. You’re not even honing nikasil you’re just cleaning out the carbon from the crosshatch
Hey man, looking into doing 600 carb rebuild, noticing piston projection in the manuals to determine gasket thickness. I haven’t started yet, but would you just order standard everything, if the cylinders are usable, and not worry about projection, or is this a really sensitive measurement that needs attention
Bobby...I Have a 800 e-tec that has a rebuilt crank and fresh top end....Do i need to bring to dealer to put buds on to prime oil pump or how do you do it?Thanks.
I’m gonna make a video shortly on how to do a no dealer visit rebuild. But the short answer to that question is no. When you rebuild it you should coat everything in oil. And then summarize the thing a few times. All that’s gonna do is pump a ton of oil in so it generally clears out the air in the lines
You didn’t change the rod bearings or crank bearings and seals. You are insane. The piston and rings never fail on etecs.. it’s the crank seals and rod bearings … if your gonna show people what to do atleast change those. Leaky crank seals is what blows up engines 90% of the time. After 9000+ miles they are worn for sure
Rotax 2Strokes are not known for long lives although they are much better than they used to be. Were a poor motor back in the day. Reliability was terrible thru the 70’s, 80’s & 90’s.
Honestly impossible to say. So a compression test. Within 10% of the two cyls generally says the bottom end is healthy. 600s go for much longer seen several go to 10k miles. The guy who tore into this bottom end said it was supper clean
Depends on your luck, I got 3200 miles out of mine before she blew last winter, appears I lost an o-ring on the head and she swallowed her coolant and locked up
I did on the old bottom end but I found a bottom end with 2k miles on it and I greased those up obv. A lot of people speak highly of pro x kits so that’s what I went with dual rings is better
@@bobbyrebussini1466 this winter is looking great for Snow, already have over a foot in Northern Saskatchewan. I have an 18 Mountain Cat that needs a rebuild but I also have a 21 Alpha Hardcore while the other is rebuilt.
@@bobbyrebussini1466 yeah, I know, leave it to me to have the 600 that blows up, it was running great… till it wasn’t 😂, hopefully be able to tear down the old motor and find out the issue, as I just got a new motor in the sled and picked it up a week ago (yay parts shortages). So so far from my investigation, it looks like a ring spun and caught the exhaust port
@@bobbyrebussini1466 that’s why I went with a short block, not worth piecing it together to have something else take a dump. I’ll rebuild my old motor and keep it as a back up for mine or my dads 600’s
@@hworkmaniv88 previous owner said his girlfriend drove it (which no one ever believes) but the rest of the sled looks it. Like you can tell by the wear on the primary clutch it was ridden at like 1/3 throttle. And he said it ran amsoil intercepter since new
Lmao he checks the cylinders with “the finger nail trick” then proceeds to use a $9.99 harbor freight special to “properly restore his cylinders... Top notch work!
Unless that’s a diamond hone, you are technically deglazing the cylinder. Nickasil is hard enough that in order to actually “hone” it needs to be diamond
Ive got A 2012 skidoo tnt 600etec with 11,600 miles! Running strong to bad there isn't any snow. Yet!!!
Interesting video. Thank you for sharing. Best regards from Finland!
Thanks so much! means alot. More coming!
Just curious as to why you didn’t consider a crank rebuild?
@@snowrulesnate I found one with like 2k miles on it for 400 bucks so it seemed worth it to me. Bottom end woulda been somewhere near 1400 for the whole deal
Juhikdella ollu kelkka kuume nii koko youtuben kelkkavideot kolannu läpi
Torille
24,700 on my summit etec T3 2016. Stator is gone now though, always warm up your sleds. Used to let mine warm up til she smoothed out on Idle
Miles or km? How many rebuilds? Just curious thanks!
@@96ultra zero
@@96ultraover 26,000 kms now, no rebuilds. She still has power and a good idle, replaced stator and she rips.
Bobby, I commend you for taking the time to properly gap your piston rings but I don’t think you positioned them correctly in the bore (vertical height wise) to get the correct reading buddy. You can gap a ring at the top of the bore but remember the taper will always be smaller (thus a tighter gap) lower in the cylider. Check that the gap should be measured with the ring positioned just above the ports.
Intresting thinking about how the new 850`s will do at 10.000 miles/16.000km.
Just bought a 2014 renegade x 600 etwch. It has 7600km on it. Hoping it lasts longer
Holy crap you have a lot of critics! Good informative video. I don’t have enough skills to try this but it’s some good information.
Who gives a shit lol. If you know everything why watch an informational vid. Couldn’t imagine being that miserable. On another note I’m sure you could. Righty tighty all there is too it.
How many times were the crank bearings greased throught its life
This is why I got a 4 stroke. I got sick of doing this every 2-3 years. That being said. If your gonna get a 2 stroke these are the better lasting engines to get. The 600 cleanfires can go this long as well. But the rest of them would be a miracle to go 10,000 and still look this good. Nice video.
I don’t blame you. I kinda want one especially after I drove my buddies 900 turbo. So quiet. Plenty of power. Thanks!
I did 44 600km with my 600 ace Grand touring 2011 ! 4 stroke is definitely a lasting choice in term of engin
yeah if you like a sled sound like a motorcycle go buy a 4 stroke . rebuilding a motor every 3 years not that bad if you cant handle rebuilding a motor every 3-4 years maybe snowmobile isn't for you
Fast forward 2 years and I’m sick of the 2 stroke smell. I want a 4 stroke lol
@@funtyes1970 Most of the 4 strokes from Yamaha sound like a crotch rocket. Some shared the exact engine from a R1. I always thought it was a pretty cool sound to have that instant Rev to 11,000 RPM. Some of them sound like a ATV which is weird. Skidoo does a great job with the 900 ace sound. It still sounds distinctly like a snowmobile.
My etec has 4.3 thousand miles on it so im.not worried great video
Gad you liked it! yeah just grease up your crank bearings and you're good to go
i have 3 etec,one 2013 18000km,2011 800 etec,made the recall for piston clip at 6000km, i change pistons and ring at 33000 km still running very good,and a 850x renegade 2017 with 9000km nothing to say
wpw thats some good mileage!
Thats great. What 2 stroke oil do you run?
@@johnny23toronto this one ran amsoil interceptor it’s whole life. I use either amsoil or skidoo. Always full syn.
@@johnny23toronto xps and amsoil, not only the oil can make 2 cycle engine run longer, it's the way you ride!
Have you ever seen a 2 cylinder 800cc 4 stroke with 163 hp been reliable?
Привет! Как на этом моторе, не разбирая его, можно заменить или добавить Isoflex ?
Awesome video. Great job
So when i go to look at a 2012 ski doo 800 etec with 8500 miles and they are asking 4900 honestly what is a good number if its clean.present time 2022
How long did that rebuild last?
The level of wear on this engine is no surprise. It makes bug torque at low revs and 160bhp is no slouch from 800cc. High revving four strokes won't get close on power/wight and anything big enough to get the job done will use more fuel.
true.
I got a 23’ 600r etec skandic. Been looking for vids how long these lasts before any major change
New pistons in mine at 10000km. But not because the pistons were worn down but because the precious owner had issue with the reverse shutting off the engine. Turns out it was just a bad stator so the pistons were probably fine for another 5000km :D
Since you had this out , where is the thermostat at ? I’m used to Polaris sleds, it’s on top of the head. I don’t see anything that looks like a T’stat. Thanks for the video
If you email me I’ll shout you a pic
my cat with a suzuki 800 had 8200 before compression got low enough in one of the cylinders to start worrying.
That’s pretty good I think 6k is good
@@bobbyrebussini1466 yeah after 6k youre pretty much on borrowed time. People give the manufactures hard times because the motors only last 6k, but its a 2 stroke. My dirtbike gets a piston every 30 hours, why should a sled be much different.
@@Jake-rp9cv apparently the 850s should go for as long as a 4 stroke. Oil and material tech keeps getting better. so let’s see how it goes
@@bobbyrebussini1466 lets hope. Cats ctec seems to be hit or miss. Youll get 6k miles outta it or youll get 60 miles. bummer they aren't coming out with anything new this year. Time buy buy a polaris!
@@Jake-rp9cv I’ve never dug into a Polaris other than the 600 liberty im doing now and the 4 stroke atvs
What i dont like about dual ring in those motor if you have piston failure it will keep running messing up your cylinder with the single ring you can get lucky and save a cylinder
True true.
So the bottom end still has 10k on it? If that is the case you completely wasted your time. The main crank bearing on an 800 will go bad before the top end is worn out. I know this from experience.
Yeah yeah I know I know I’m not special. If you paid attention you’d know it’s a 1400mile bottom end.
@@bobbyrebussini1466
Sorry, I did not catch that it only had 1400 miles. I skipped through it, then I went back through the video, skipping again, to try and catch something about the bottom end. I have been in these motors and I just did not have the patience to watch the whole thing. I just wanted to worn anyone that might have an 800 motor that the crank bearings are something to not skip.
@@LQ-C yeah I thought that was a decent course of action. Especially since we’re all trail. The isoflex looked okay tho
I have 14,000 on my 850, zero issues
100K miles equals how many hours of operation?
How could you not do a compression test before teardown?
I really should have I just didn’t have the correct adapter. The fact that it had 10k just really bothered me and I feel like I had to rebuild it
Leak down test, also - check to make sure you’re not working on an air leak…
Привет из Якутии ! Как тебе 600 E-Tec, какой пробег, какой ресурс? У меня Skandic SWT 600 E-Tec, 2012 года, пробег 6500 км. Когда надо проверить, добавить Isoflex?
Got a 2015 Etec 600 sled. Only 1400 miles. Hopefully will get another 10k out of her.
You most likely will! Smaller crank offset makes a world of difference
Never been a fan of synthetic oil in 2 strokes, we have used "Blue Marble" fossil based for 20 years in our Rotax engines. Chemical scientist that I bought a used sled from told me had researched oils for years and Blue Marble was his choice. Blue Marble claims smoother operation, cleaner engines and better fuel economy and I found all of that to be true. I will say we are running older sleds and engines and I cannot speak for the modern stuff but (knock on wood) we have never had an engine go down or show any signs of wear.
I've been using blue marble in my 2020 summit 850 with great results.
Are the 07 ski Doo mxz 600 any good? I bought one with 3800 hours hope that's ok
What wil happen if you mirror polish but don't hone the cylinders . Great work.
Thanks man. Well the purpose of honing is to allow tiny tiny channels for oil to live it. 2 strokes don’t need rings to “set” as in like a Chevy 350. No engine in history is mirror finish cyl wall so I wouldn’t try it lol. You’re not even honing nikasil you’re just cleaning out the carbon from the crosshatch
Hey man, looking into doing 600 carb rebuild, noticing piston projection in the manuals to determine gasket thickness. I haven’t started yet, but would you just order standard everything, if the cylinders are usable, and not worry about projection, or is this a really sensitive measurement that needs attention
I honestly don’t think it would make a difference but I all I did was check the base gasket thickness and match it.
How come you didn't use OEM from Ski-Doo??
Awesome vid!
Appreciate it!!
Bobby...I Have a 800 e-tec that has a rebuilt crank and fresh top end....Do i need to bring to dealer to put buds on to prime oil pump or how do you do it?Thanks.
I’m gonna make a video shortly on how to do a no dealer visit rebuild. But the short answer to that question is no. When you rebuild it you should coat everything in oil. And then summarize the thing a few times. All that’s gonna do is pump a ton of oil in so it generally clears out the air in the lines
@@bobbyrebussini1466 ...Thanks..I will be watching that.
@@racingruss7263 thank you!!
You didn’t change the rod bearings or crank bearings and seals. You are insane. The piston and rings never fail on etecs.. it’s the crank seals and rod bearings … if your gonna show people what to do atleast change those. Leaky crank seals is what blows up engines 90% of the time. After 9000+ miles they are worn for sure
Rotax 2Strokes are not known for long lives although they are much better than they used to be. Were a poor motor back in the day. Reliability was terrible thru the 70’s, 80’s & 90’s.
Yeah definitely true
You should have replaced crank seals
I have a ski doo 600 e-tec with 10000 km on it how long do you think before i would need e re build
Honestly impossible to say. So a compression test. Within 10% of the two cyls generally says the bottom end is healthy. 600s go for much longer seen several go to 10k miles. The guy who tore into this bottom end said it was supper clean
@@bobbyrebussini1466 ok thanks fore the answer
Depends on your luck, I got 3200 miles out of mine before she blew last winter, appears I lost an o-ring on the head and she swallowed her coolant and locked up
I am 18,000 kms still running compression 135/132
26000 km etec blizzard 2016 150 153 compression never opened
what year and model is yor slad? is ti 800 or 800r? do you still have the old bottom end for sale?
this was a 2012. I sold the bottom end to a guy in michigan. Hw bought it to resell. i can hook you up with him
@@bobbyrebussini1466 yea sure, but filstly i wanna know if it will fit a 2017 freeride 800r etec
@@klnop let me hook you up with the guy. He will know better than me
@@bobbyrebussini1466 perfect, THX!
What year 800 sled is this out of?
2012
What kind of oil was run?
guy said he ran amsoil full syn from new.
Vc tem bico enjetor pra veder
so you don't check the crank bearings. and why would you use dual ring pistons when the single ring pistons went 9700 miles!
I did on the old bottom end but I found a bottom end with 2k miles on it and I greased those up obv. A lot of people speak highly of pro x kits so that’s what I went with dual rings is better
Bill I did some more research and apparently dual ring pistons reduce skirt wear and all single rings are good for is reducing mechanical resistance
How much miles did you get out of it last season?
I did probably only 6-800 miles on the new build if I was lucky. Tough winter last year
@@bobbyrebussini1466 this winter is looking great for Snow, already have over a foot in Northern Saskatchewan. I have an 18 Mountain Cat that needs a rebuild but I also have a 21 Alpha Hardcore while the other is rebuilt.
@@fnatomagan that sounds awesome our first little bit was a coating last night. We ride in nh USA. They are getting a heat wave this weekend
Great video! Learned a lot! Don’t listen to all these “professional” mechanic ass clowns
Thanks man!
If i put good oil, good gaz and i dont put the sled on max each run, and my average speed is 30-40 mph, did my 800R carb gonna have a better life ?
It should! Fatten up the mid range fuel . Just keep grease in the bearings and check crank runout occasionally
And my luck, I get 3200 miles out of a 600ho etec (2015) and ofcourse it blew up right after I was talking about how great it was 🤦♂️
That’s bizarre the 600s are usually fine
@@bobbyrebussini1466 yeah, I know, leave it to me to have the 600 that blows up, it was running great… till it wasn’t 😂, hopefully be able to tear down the old motor and find out the issue, as I just got a new motor in the sled and picked it up a week ago (yay parts shortages). So so far from my investigation, it looks like a ring spun and caught the exhaust port
@@braaapattack2937 oh yikes so jugs are gonna be trashed
@@bobbyrebussini1466 that’s why I went with a short block, not worth piecing it together to have something else take a dump. I’ll rebuild my old motor and keep it as a back up for mine or my dads 600’s
So you're at 10,000miles and you didn't consider pulling the crankshaft out to thoroughly replace the isoflex grease, why?
I put a low mileage bottom end
i hope that was a diamond hone made for nickasil?? otherwise you just screwed it up!
No it wasn’t. I was able to get decent cross hatching.
I think you are screwed up.
brp products are like bmw . good as long as you have a warranty
haha true.
You never rebuilt crank n bearings? That's what goes at 9,10 thousand miles..
Well I found a bottom end with 2k miles on it so I just bought that and put a fresh top end on it
Almost 10k miles! That's impressive
Yeah previous owner said it was girlfriend riden and I believe him lol
OKAY What is your secret?
What secret? lol
@@bobbyrebussini1466 lol that looks great for 10,000 miles
@@hworkmaniv88 previous owner said his girlfriend drove it (which no one ever believes) but the rest of the sled looks it. Like you can tell by the wear on the primary clutch it was ridden at like 1/3 throttle. And he said it ran amsoil intercepter since new
Hone new rings let er buck
Oh yeah she’s still kicking
Lmao he checks the cylinders with “the finger nail trick” then proceeds to use a $9.99 harbor freight special to “properly restore his cylinders... Top notch work!
Well yeah. That’s how you resurface cyl walls...? What should I have used?
no seriously, please enlighten me...
Unless that’s a diamond hone, you are technically deglazing the cylinder. Nickasil is hard enough that in order to actually “hone” it needs to be diamond
@@ss0073 technicaly just a deglaze yeah
:10 I don't like pulling out
Go Polaris
I have 17000k on my 2011 skidoo 600
That's impressive. The guy I bought this sled off of said his mom rode it... no one believes that tho lol
Blows my mind that people pay actual money for these piles of trash.
Total hack job.