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So I have a question fellas. I previously sunk my Polaris 850 highlighter and cracked a piston shattered it. It scared the cylinder walls pretty bad so with that being said I’m trying to find what year crankcase “top end” will work for my 2018 engine from what I’ve looked up everything seems the same for 2013 to 2018 but I want to double check before I go ordering things. Any tips or knowledge would be greatly appreciated. Thanks in advance
 

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The crankcase is the same on all the machines below:

2019 ATV SCRAMBLER 850 48 (R03) ENGINE, CRANKCASE - A19SVA85BG (49ATVCRANKCASE14SPXP850)
2019 ATV SPORTSMAN 850 SP 48 (R02) ENGINE, CRANKCASE - A19SXA85B1/B4/SXE85BC/B9/ZBJ (49ATVCRANKCASE14SPXP850)
2019 ATV SPORTSMAN 850 HIGH LIFTER (R02) ENGINE, CRANKCASE - A19SXN85A8
2019 ATV SPORTSMAN TOURING 850 SP (R02) ENGINE, CRANKCASE - A19SYE85BH (49ATVCRANKCASE14SPXP850)
2018 ATV SCRAMBLER 850 (R08) ENGINE, CRANKCASE - A18SVA85B5 (49ATVCRANKCASE14SPXP850)
2018 ATV SPORTSMAN 850 SP (R13) ENGINE, CRANKCASE - A18SXA85B1/B7/SXE85BM/BS/B9 (49ATVCRANKCASE14SPXP850)
2018 ATV SPORTSMAN 850 HIGH LIFTER (R11) ENGINE, CRANKCASE - A18SXN85A8
2018 ATV 850 SPORTSMAN TOURING SP (R11) ENGINE, CRANKCASE - A18SYE85BB (49ATVCRANKCASE14SPXP850)
2017 ATV SCRAMBLER 850 (R11) ENGINE, CRANKCASE - A17SVA85A2 (49ATVCRANKCASE14SPXP850)
2017 ATV SPORTSMAN 850 SP (R13) ENGINE, CRANKCASE - A17SXA85A1/A7/SXE85AB/AM/AS/A9 (49ATVCRANKCASE14SPXP850)
2017 ATV SPORTSMAN 850 HIGH LIFTER (R13) ENGINE, CRANKCASE - A17SXN85A5
2017 ATV 850 SPORTSMAN TOURING SP (R08) ENGINE, CRANKCASE - A17SYE85AS (49ATVCRANKCASE14SPXP850)
2016 ATV SCRAMBLER 850 (R09) ENGINE, CRANKCASE - A16SVA85A2 (49ATVCRANKCASE14SPXP850)
2016 ATV SPORTSMAN 850 SP (R08) ENGINE, CRANKCASE - A16SXE85AS/AM/AB/A85A1/A2/A9 (49ATVCRANKCASE14SPXP850)
2016 ATV SPORTSMAN 850 HL (R15) ENGINE, CRANKCASE - A16SXN85A3
2016 ATV SPORTSMAN TOURING 850 SP (R10) ENGINE, CRANKCASE - A16SYE85AS (49ATVCRANKCASE14SPXP850)
2016 MIL SPORTSMAN 850 MV (R06) ENGINE, CRANKCASE - M16SZE85MD/ZA/NX (49ATVCRANKCASE14SPXP850)
2015 ATV SCRAMBLER 850 ENGINE, CRANKCASE - A15SVA85AD (49ATVCRANKCASE14SPXP850)
2015 ATV SCRAMBLER 850 EU ENGINE, CRANKCASE - A15SVA85FD (49ATVCRANKCASE14SPXP850)
2015 ATV SCRAMBLER 850 MD ENGINE, CRANKCASE - A15SVA85HD (49ATVCRANKCASE14SPXP850)
2015 ATV SPORTSMAN 850 SP ENGINE, CRANKCASE - A15SXE85AS/AM/A85AA/AC/AJ (49ATVCRANKCASE14SPXP850)
2015 ATV 850 FOREST EU ENGINE, CRANKCASE - A15SXE85FI (49ATVCRANKCASE14SPXP850)
2015 ATV SPORTSMAN XP 850 HO EPS MD ENGINE, CRANKCASE - A15SXE85HI (49ATVCRANKCASE14SPXP850)
2015 ATV SPORTSMAN TOURING 850 SP ENGINE, CRANKCASE - A15SYE85AS/AV (49ATVCRANKCASE14SPXP850)
2015 ATV SPORTSMAN 850 TOURING SP EU ENGINE, CRANKCASE - A15SYE85FS (49ATVCRANKCASE14SPXP850)
2015 ATV SPORTSMAN 850 TOURING SP MD ENGINE, CRANKCASE - A15SYE85HS (49ATVCRANKCASE14SPXP850)
2014 ATV SPORTSMAN TOURING EPS 850/HO ENGINE, CRANKCASE - A14DN8EAH/EAQ/EAR (49ATVCRANKCASE14SPXP850)
2014 ATV SPORTSMAN TOURING 850 INTL ENGINE, CRANKCASE - A14DN8EFQ (49ATVCRANKCASE14SPXP850)
2014 ATV SCRAMBLER 850 XP HO/EPS ENGINE, CRANKCASE - A14GH85AD/EAI (49ATVCRANKCASE09SPXP850)
2014 ATV SCRAMBLER XP 850 HO EPS INTL ENGINE, CRANKCASE - A14GH8EFI (49ATVCRANKCASE14SPXP850)
2014 ATV SPORTSMAN 850 WV ENGINE, CRANKCASE - A14YN8EAJ/EAT (49ATVCRANKCASE14SPXP850)
2014 ATV SPORTSMAN XP EPS 850/HO ENGINE, CRANKCASE - A14ZN8EAB/C/I/M/P/S (49ATVCRANKCASE14SPXP850)
2014 ATV SPORTSMAN FOREST 850 ENGINE, CRANKCASE - A14ZN8EFP (49ATVCRANKCASE14SPXP850)
2014 MIL SPORTSMAN 850 MV ENGINE, CRANKCASE - M14YN8EAA/EAD/EAI/EAN (49ATVCRANKCASE14SPXP850)
2013 ATV SPORTSMAN TOURING 850 HO EPS ENGINE, CRANKCASE - A13DN8EAF/EAL/EAR (49ATVCRANKCASE09SPXP850)
2013 ATV SPORTSMAN TOURING 850 EPS INTL ENGINE, CRANKCASE - A13DN8EFW (49ATVCRANKCASE09SPXP850)
2013 ATV 850 SCRAMBLER HO/EPS HO ENGINE, CRANKCASE - A13GH85AJ/EAK (49ATVCRANKCASE09SPXP850)
2013 ATV 850 SCRAMBLER HO EPS INTL ENGINE, CRANKCASE - A13GH8EFK (49ATVCRANKCASE09SPXP850)
2013 ATV SPORTSMAN XP 850 ENGINE, CRANKCASE - A13ZN85AA/AQ/AZ (49ATVCRANKCASE09SPXP850)
2013 ATV SPORTSMAN XP 850 HO EPS ENGINE, CRANKCASE - A13ZN8EAD/K/L/T (49ATVCRANKCASE09SPXP850)
2013 ATV SPORTSMAN FOREST 850 ENGINE, CRANKCASE - A13ZN8EFK/EFN (49ATVCRANKCASE09SPXP850)
2013 MIL SPORTSMAN 850 MV ENGINE, CRANKCASE - M13YN8EAA/EAD/EAI (49ATVCRANKCASE09SPXP850)
 

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Ouch! Polaris sells them as a "crankcase kit"...upper and lower cases + dowels, plugs and bolts @ around $1500!
There is one used upper on ebay for $595 + shipping.

I'd check with Powersports Nation.
 

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Ouch! Polaris sells them as a "crankcase kit"...upper and lower cases + dowels, plugs and bolts @ around $1500!
There is one used upper on ebay for $595 + shipping.

I'd check with Powersports Nation.
Watch out for just upper and lower halves - the crankcases are matched and bored as an assembly - if the upper half and the lower half are mismatched by as little as .002", it can cause the crankshaft to seize in the main bearings (it's a plain bearing engine) If it was a roller bearing engine, it could be off by .005" and run just fine

Price I got on the cases is $1570.00 - $1334.50 from Rocky Mountain ATV or look for used at powersportsnation.com
 
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