It's a sad day
- Thread starter beamslayer
- Start date
Was there any scuffing on the exhaust side of the pistons? Exhaust side scuffing is so much easier to identify (during PV maintenance) with out a complete tear down.
Was there any compression difference between the cylinders before the tear down? My old 600 rush had significant scuffing on the exhaust side but did not show any loss of compression.
Was there any compression difference between the cylinders before the tear down? My old 600 rush had significant scuffing on the exhaust side but did not show any loss of compression.
There is no scuffing except what you see, the sled was running fine, so I didn't check compression on it. I was just planning on a refresh.
I pulled the engine down in my 2011 800 assualt today to check it over and give it a new set of piston's, old piston's look very good, no skuffing or cracks in cylinders so appears to be good to go... I have just over 2300 miles, but hard miles, and very little trail. I live at 4200 ft and ride mostly around 6500.... I always warm up the motor, I also have always added a little oil into fuel tank and I only use polaris gold oil..
Got to be improperly coated bolts.
a fella in an earlier post said high silica content in the coolant is the reason..so watch what ya buy..
how would it only effect half the bolts then...one right next to another with no corrosion
guess it could be a combo of the two...poor coating and high silica
hmmm...flow...temp affect the silica issue..etc...??..were the three good bolts at the flow pattern beginning or end...??...maybe it aint silica...i was just repeating for post count more then anything...haha...kidding..
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Nice pictures really shows the crack well for a minute it thought it was my cylinder until I seen the piston . Was it in the pto side or mag side ?
Kelsey would you explain how the piston skirts are collapsing . Does anyone have a new stock piston to measure,both of mine measured 3.3387 and the bore was 3.3466 .
Kelsey would you explain how the piston skirts are collapsing . Does anyone have a new stock piston to measure,both of mine measured 3.3387 and the bore was 3.3466 .
I'm sorry to say, but I believe this is just the calm before the storm, I mean Crack-Boom.
Not good when preventative maintenance means replacing a $900 monoblock on top of pistons and rings.
Not good when preventative maintenance means replacing a $900 monoblock on top of pistons and rings.
Those 2013 short block from Carls for $2900 are sounding pretty good .
Does any one have pictures of 10, 11, 12 and 13 together i am just wondering how much change is there in injector ports ?
Does any one have pictures of 10, 11, 12 and 13 together i am just wondering how much change is there in injector ports ?
I will have new and used piston/ block measurements tonite.
The '12 injector holes are bigger and use 3 o rings, the '11 only have 2 o rings.
there was no pattern with the corroded bolts.
Man this thread sucks. I had huge issues with my Dragon. My 2012 Pro ran good for the 465 miles before it burned down. I sure hope my 13 holds up. I guess my 4 year warranty is a good thing. I just hope I wont have to use it. Sorry to hear of the problems. These sleds work real good thru the trees.
Stone
Stone
I had the same problem with my cylinder bolts corroding. I was told it can occur from using non-ionized water to mix with the coolant. apparently this creates somewhat of an environment similar to a battery.
while i believe i used a premixed solution, i can't rule out using tap water somewhere down the line. either way, my bolts look worse than that.
btw, some bolts were effected and others were not.
I luv that A- AB what the hell does polaris do buy seconds from the piston mfg.
So are you saying you have .0055 to .0057 clearance why the .0002 difference is that taper in the bore ? I can not see the mag side all that clear for the last measurement .
Ski would you explain what you got going on there new cylinders,used cylinders, what did you use to measure everything with ect ?
Can someone explain how a piston skirt collapses ?
So are you saying you have .0055 to .0057 clearance why the .0002 difference is that taper in the bore ? I can not see the mag side all that clear for the last measurement .
Ski would you explain what you got going on there new cylinders,used cylinders, what did you use to measure everything with ect ?
Can someone explain how a piston skirt collapses ?
