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Discuss 500 efi head leak in the ATV & DIRT BIKE RELATED DISCUSSIONS AND INFORMATION forums; hey my motor on my 06 500 sportsman has been leaking for some time. i heve changedd the head gaskets ...
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09-04-2008, 08:11 PM
| #1 (permalink) |
| Member   Join Date: May 2008 Location: Rivercourse/Lloydminster SK
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| 500 efi head leak hey my motor on my 06 500 sportsman has been leaking for some time. i heve changedd the head gaskets but still leaks. every now and then i need to re torqe them. jist wondering if anyone has any idea wahts up
__________________ 98 polaris 700 rmk, 151x2,mbrp can,v force reeds, protaper contour bars, 8'' rise, big wheel 06 polaris sportsman 500, HSP Exhaust, EPI Clutch kit, 2'' lift, 28'' mudlite xl's, 12'' ss212 rims, fan mod switch 03 GMC sierra 1500, FlowMaster Dual Exhaust,Chrome and lots of it, sat. radio, blocked, chipped |
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09-04-2008, 09:54 PM
| #2 (permalink) |
| Member  Join Date: Jul 2007 Location: Edson, Alberta
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| Re: 500 efi head leak The 500s are notorious for warpped heads. Only needs to be overheated once or torqued wrong once. There is a very specific torque sequence that must be followed, especially for the jug. Remove the head and check it and the top of the jug for warpage. Off the top of my head .002 is the limit. The head will tolerate up to .010 milling if need be. Another problem is aftermarket head gaskets tend to leak on these engines. Use an OEM gasket for best results.
__________________ Garry Past President Edson ATV Club **Aging is inevitable... growing up is optional** 07 Scrambler: Aaen Stage III, Trail Tech Vapor, Bear Claws, Clutch tuning. NOS to come 07 Scrambler: Bear claws, Trail Tech Endurance, Clutch tuning. 98 Sportsman: 20,000 miles when the speedo quit in '05 08 F350 SD CC LWB 6.4l |
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09-10-2008, 04:59 PM
| #3 (permalink) |
| Member  Join Date: Apr 2008 Location: Lloydminster, Alberta, Canada
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| Re: 500 efi head leak maybe if you wouldn't abuse it so much. lol.
__________________ 2008 Polaris Sportsman 800 EFI - Polaris LE wheels, 1.5" wheel spacers, 29.5" outlaws, 1.5" rd lift, front ranger springs, 2500# Polaris winch, Polaris rack extenders, Polaris hand guards, reverse override, fan on/off switch, 3 headlight mod, nerf bars 2004 Ford F-150 Crewcab XLT 4x4 - lots of chrome, sat. radio, Flowmaster true dual exhaust, box liner, roll top, PowerAid throttle body spacer, Altezza tail lights Snowchecked 2010 Polaris 800 Dragon 155 |
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