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 Cheapest DIY Servo Bypass

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Jens Eskildsen
Lupin 3rd
DutchTerror
Caldsy
TwoBuells
Biglake
IceWolf
aw113sgte
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edteamslr
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SheWolf
60 posters
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AuthorMessage
DutchTerror





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptySat Nov 01, 2014 9:03 pm

Pulled out that hunk of a servo motor today, went to the drawer and pulled out a 10K resistor, plugged it in and wrapped it up. No light and I'm a happy camper. Great mod!
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Lupin 3rd





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptySat Nov 22, 2014 11:28 pm

Another success story for the el-cheapo bypass. I had 2 5.6K Ohm resistors sitting around and stuck them in the connector: no FI error and all is fine. cheers
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Jens Eskildsen





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptyWed Jan 28, 2015 12:58 pm

Another happy "customer" for the resister-mod. I used a 1/4w 10k resister.

Thanks for the effort.
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edteamslr

edteamslr



Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: resistor time   Cheapest DIY Servo Bypass - Page 7 EmptyWed Jan 28, 2015 6:47 pm

I mucked around with my circuit board and even produced two lovely examples of the mod from the diagrams on this site. Neither worked because I must have rushed something or suffered poor soldering. Didn't matter - I enjoyed myself doing the DIY and then just rammed a resistor in the socket and got on with the riding. thumb
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Mozart 2





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptyFri Sep 18, 2015 9:07 pm

There clearly is a wide range of resistances that will suffice, as others here have mentioned. For example, we know that 10,000 ohms works as attested to by many, but the range actually goes pretty low. The OP's picture shows 2 resistors in parallel. By the color bands (Orange-White-Red) these are 3.9k ohms. Resistors in series add while resistors in parallel divide. So two 3.9k resistors in parallel (as shown in the original post) would give you 1950 ohms.

Someone who has a Grave's unit (not me 'cause I'm too cheap) should use an ohm meter to check the two pins in question and see what resistance they're using.
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ApexMaster





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptyThu Nov 03, 2016 8:54 am

whats the reason to remove the Servo, and also what is the Exup?
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Jens Eskildsen





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptyThu Nov 03, 2016 12:53 pm

Exup is a "valve" in the downtube/header of the exhaust.
The servo operates this.

You can disable the exup, and still have the servie in place, but by doing this servo-mod you can remove the weight and bulk of the servomotor.
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ApexMaster





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptySat Nov 19, 2016 3:57 pm

Hey guys so I removed the servo just now. Went to radio shack and got couple resistors. They only had 10k 1/2 watt. And 4.7k and 3.9k resistors. So I can run a single ok or 1 4.7 and 1 3.9 . Which way to go? Does it have to be exactly 7.5k? Usually with resistors there is a range that works. I just don't want plug the wrong one and mess up my ecu or something.
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ApexMaster





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptySun Nov 20, 2016 9:56 am

morning,
so installed the 10k resistor and I think it worked, no Cell light so far. is there a way to check through the onboard Diag?
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Cal44





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptyThu Jun 22, 2017 3:07 am

SheWolf wrote:
Yep!  Just make sure you don't start up the bike before you put the resistor in or you'll throw the code.  thumb

What can I do if I did start the bike up before doing the mod? My CEL is on but I want to do this mod. Thanks!
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johnkol





Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 EmptyThu Jun 22, 2017 4:25 am

Cal44 wrote:
What can I do if I did start the bike up before doing the mod? My CEL is on but I want to do this mod. Thanks!

Just go ahead with the mod; the CEL will go away.
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Cheapest DIY Servo Bypass - Page 7 Empty
PostSubject: Re: Cheapest DIY Servo Bypass   Cheapest DIY Servo Bypass - Page 7 Empty

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