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Servo Comp Motor (Only) Replacement

This is a discussion on Servo Comp Motor (Only) Replacement within the Grizzly Tech Tips forums, part of the Grizzly Forums category; I asked a question a while ago if any one knew what would be the least expensive way to repair or replace a 2005 660 ...


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#1
08-24-2009, 07:16 AM
Servo Comp Motor (Only) Replacement

I asked a question a while ago if any one knew what would be the least expensive way to repair or replace a 2005 660 Grizzly servo comp motor unit. I found a seller on Ebay that sells the small DC 3 Volt servo motor that is inside the assembly. Yamaha would only sell me the whole unit for about 300 bucks, I got the motor only for 50 bucks and free shipping.
There are 3-8mm torx head bolts that hold the unit in place. The bottom bolt needs a tamper proof bit to remove it. Once you take the 3 bolts out and remove the 2 connectors, place the assembly on a bench. There are more torx screws to remove to seperate the case. Do not remove the external drive gear. Seperate the case and take out the 2 phillips srews that hold the motor on, now remove the motor and gear. Do not lose the little plastic piece on the end of the gear. Slide gear off motor shaft and install new one in reverse.
All I had was a burnt motor, so the fix was quite cheap. There is also a procedure how to sync the gears and insure 2wd to 4wd works. If anyone wants to know where I got the motor and how to put it in let me know.

Finally a success story

Last edited by knowlimits; 08-24-2009 at 07:36 AM..
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#2
08-25-2009, 08:42 PM
could you please PM me the info on this.
Mine works fine, but six of us have grizzlys and I will end up fixing this at least once.
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08-26-2009, 05:24 AM
yes info would be great
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#4
08-26-2009, 08:14 AM
fatbastered From HL forums is the guy selling them. I was talking to him before he started selling them, he sounded decently helpful.

I don't see any on ebay atm, he may have just not had time to put another up.
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#5
08-26-2009, 09:06 AM
where to buy motor

The seller on ebay sometimes has them up for sale but not always. Contact him thru ebay to get a 3 volt dc motor for 50 bucks: eBay Member: engineered_products_usa

Go to page 7-13 to see how to install the servo motor comp unit with the new motor inside. Make sure when you swap the motor not to lose the baby plastic guide off the end of the plastic worm gear. Also do not take off the external pinion gear when seperating the motor comp case.

Good Luck
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#6
06-14-2010, 05:39 PM
Does any one have any ideas where to get this part still tried the ebay but no joy. I blew the DC 3 Volt servo motor the rest is fine so only want the little motor.

thanks
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#7
06-14-2010, 08:20 PM
I personally know the guy that has them on ebay, he had taken a hiatus for a bit for personal reasons, but just told me he would list some more tomorrow. Engineered products usa. Good luck fellas.
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#8
06-15-2010, 12:25 AM
Something else I want but have no use for
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06-15-2010, 07:09 AM
do they work on a 700??
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#10
06-15-2010, 07:32 AM
the actual yammy servo unit does not fit the 700 as far as i understand. But the parts this guy is sell probably best to ask him direct.

Just checked nothing on there yet.
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#11
06-20-2010, 01:07 PM
Does anybody have an update on this? Ive got a bad servo on my 04 grizz.
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#12
06-21-2010, 12:32 AM
He had them up on Ebay a few days ago, 10$ and 40$ delivery.

I picked up two but am in talks to only get one as he wont combine shipping and i don't want to get completely fleeced on delivery charges.
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#13
06-21-2010, 09:19 AM
He just listed 2. I picked up one of them.
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#14
07-28-2010, 08:38 PM
servo motor

i need one of these for my 660 rhino servo. i have been looking on ebay only to find nothing. anyone now how to get ahold of this guy or where i can buy one from???
thank you
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#15
07-29-2010, 06:29 AM
servo comp motor question

refer to this link for info on the seller:

eBay Feedback Profile for engineered_products_usa
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