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post #1 of 5 (permalink) Old 06-26-2014, 12:29 PM Thread Starter
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Default Replacing engine and ECU?

As noted in the other thread my engine may be toast. Does anyone know if the ECU needs to be replaced as well? IE, I heard the ECU is now matched up to the motor. IF this is the case and I find a good motor do I need to obtain the ECU from that bike as well?

Joseph

2012 XCT (HOOPTIE)
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post #2 of 5 (permalink) Old 06-26-2014, 01:26 PM
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On a '12 bike the ECU is mated to the bike via the VIN. You can swap ECM's from bike to bike, but there is a very good possibility of encountering issues. Keep your ECM with your bike.

I seriously doubt you will need a new ECM with a new motor, your's should work just fine. All the electronics from 2009-up 106 motors are the same so a '10 Vegas will use the same sensors as a '13 Cross bike. 2008 models had a different MAP sensor, so their ECM is different.

What happened to your motor?

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post #3 of 5 (permalink) Old 06-26-2014, 01:49 PM Thread Starter
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A few weeks ago I heard a slight rattle and then it started blowing smoke.. BAD. Went through a quart of oil in 20 miles. My mech just got back in town and started looking into it. The compression test shows the front cylinder at 65 psi and the rear is the one pumping the oil and is at 100 psi. The motor has roughly 31,000 miles so I'm disappointed to say the least..

Joseph

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post #4 of 5 (permalink) Old 06-26-2014, 02:23 PM
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Well, anything can happen, it's just a man-made machine.

If it were me I'd rebuild what I have. It may be the same money (roughly) as a used motor, and VERY likely less than a new motor (if you were even able to find one)!

Here is my experience from buying a used motor off E-Bay: The motor is from a wrecked bike, unknown damage. It sits in a wrecking yard for an unknown amount of time (more unknown damage occurring), then it goes for sale after an unknown amount of time sitting. The the engine get shipped to you, more chance for damage. Then if there is a problem there is no warranty, or it's a HUGE hassle to get it fixed.

Whereas if your mechanic is good: you find the root of the problem, fix it right the first time, add extra power for cheap at rebuild time, and then if there is a problem it's on your mechanic to fix it for you under their warranty. All for the same or less money than an unknown motor.

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post #5 of 5 (permalink) Old 06-26-2014, 02:46 PM
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Quote:
Originally Posted by Vicbuilder View Post
Well, anything can happen, it's just a man-made machine.

If it were me I'd rebuild what I have. It may be the same money (roughly) as a used motor, and VERY likely less than a new motor (if you were even able to find one)!

Here is my experience from buying a used motor off E-Bay: The motor is from a wrecked bike, unknown damage. It sits in a wrecking yard for an unknown amount of time (more unknown damage occurring), then it goes for sale after an unknown amount of time sitting. The the engine get shipped to you, more chance for damage. Then if there is a problem there is no warranty, or it's a HUGE hassle to get it fixed.

Whereas if your mechanic is good: you find the root of the problem, fix it right the first time, add extra power for cheap at rebuild time, and then if there is a problem it's on your mechanic to fix it for you under their warranty. All for the same or less money than an unknown motor.
Just send it to Rylan and have a big bore kit installed. Like he said about the same as you will spend on a used motor and alot more fun.

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