Hey Guys, I was wondering if any knew if Polaris fixed there engine issues by 2015? I have a 2013 Pro 800 and it hasn't had any issues in 1700 miles. But I think I got lucky with a "good engine". Wondering what all they have changed from 2013 to 2015?
2015 Polaris Pro Rmk 800 Reliability?
- Thread starter hondalrd
- Start date
Xfmontana
Active VIP Member
As far as o know motor is the same 13-15
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BillyYork
Active member
13 and on had good motors. They are even holding up to boost.
neilsleder
Active VIP Member
That was the fix for the motors all along, they always lasted better under boost
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ABMax24
Active VIP Member
11-12 were the worst, they had thin cylinder skirts and pistons weren't all that great, 13 they upgraded the cylinders to have thicker skirts, 14-15 they upgraded the pistons as well. Your 13 to a 15 won't be a huge improvement in reliability.
But then again going to the internet to look for engine problems is liking going to a hospital to find sick people. There are many that have had flawless operation out of these motor, but if you are really worried swap out the pistons, they are relatively cheap if you can do them yourself.
But then again going to the internet to look for engine problems is liking going to a hospital to find sick people. There are many that have had flawless operation out of these motor, but if you are really worried swap out the pistons, they are relatively cheap if you can do them yourself.
ABMax24
Active VIP Member
They hold up surprisingly well, my bottom end has 5000+ km of which 4000km are on boost and my top end with a mtntek fix kit had 4000 boosted kms on it before i melted down the PTO side from detonation, but the mag side still looks brand new.
moto5151
Active VIP Member
Ive got 2500km of boost on mine. Not a problem so far. Prob change out pistons for good measure. No fix kit needed when under boost.
canuck5
Active VIP Member
I personally think these high performance 2strokes are ticking time bombs after 2000miles Polaris defiantly is known for more engine issues than the other 3. For the record I've had 2 that have taken out a pistons and towed down a particular sled 3 other times and another guy we rode with had his rebuilt 4 times on warranty so my bias comes with substance. I do like the look of the new ones and modern fuel injection seems to have them lasting longer as stated above just won't have one in my garage.
dabensmiller
Active VIP Member
The guy that bought my 2011 M8 used it for work in northern AB so lots of cold starts and always outside on a sled deck. Rolled over 7000 miles last winter, original motor.
neilsleder
Active VIP Member
I talked to a guy in Revy and he had 14000 miles on his cat.
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dabensmiller
Active VIP Member
That motor will go down as one of the most durable to ever be in a snowmobile.
neilsleder
Active VIP Member
That guy passed away!?!? He was a boat mechanic in sicamous wasn't he? You were sledding with him the day I talked to him in griffin
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tex78
Active VIP Member
17259 miles to be exact
His new cat from last year, he got in 11 of Dec, had 9128 miles on it in March when avy got him
sent while drinking tea's
tex78
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canuck5
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dabensmiller
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I was referencing a 2 stroke engine in general.
dabensmiller
Active VIP Member
Wow, I ran into that guy several times throughout the years. Sad to hear he passed.
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