Polaris UTV SxS Forum
This is for all of you Polaris UTV, SxS (Side by Side) owners. Discussions about Polaris UTV specific topics including RZR, Ranger, General and Ace models.
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Latest Posts
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By Greg Kilgore · Posted
I've seen those advertise on the net. Seen a guy on YT that installed one. He said they work. But like you, I would like to hear from others before I installed. They are kinda expensive. There's a writeup here on how to get into the ECU to read codes and get the engine parameters (parts and software required). From my understanding the ECU also has flash memory that some parameters can be changed and saved. I haven't tried it. If you do let us all know how it goes. Good luck. -
Boydog40, Don,t get in a rush and don't hook color to color just yet. I will find the schematic and try to help you get it wired. I'll get back to you. -
By Greg Kilgore · Posted
Just because your machine is a coleman it is made by Hisun. Just like the Massimo, (my) Axis, and others. The computer reset is the same. Hisun uses the delphi MT05 ECU. There is 2 ways. I like option 2. And should always wait for fuel pump to build up pressure and kick off before attempting to start engine Option 1 (From MotorCycleDoctor . Com) . Start machine. Leave it in park. Warm engine for at least 2 minuits. Hold throttle wide open for 5 seconds. The rev limiter will prevent it from blowing up the engine. Turn off engine for at least 15 seconds. Then start machine and allow the computer to re-learn the computer. Option 2. Start with the machine off. Turn keyswitch to on. Make sure the fuel pumps kicks on. Then turn the key back off. Do the on off thing 5 times within 30 seconds. Make sure the fuel pump kicks on each time. Once the 5th time off, leave off 30 seconds. Then start and allow computer to re-learn. ECU-Reset-5.pdf -
Jim, Keep good notes because I believe I'm heading that way myself. Lot's of pictures.
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If they are the same as mine, I'm about to order them from amazon for my 2017 massimo MSU 500. Just the boot kit. Jerry
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