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Syma S107 Gyro Replacement

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Replace the the gyro on your Syma S107 so that it stops self destructing.

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  1. Syma S107 Gyro Replacement, Counterweight Bar: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Syma S107 Gyro Replacement, Counterweight Bar: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
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    Tweezers
    $4.99
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    • Using tweezers, gently remove the two stabilizing links by pulling straight away from the point of connection.

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  2. Syma S107 Gyro Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Syma S107 Gyro Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the counterweight bar by removing the screw.

    • One 10.1mm Phillips #0.

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  3. Syma S107 Gyro Replacement, Gyro Carriage: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Syma S107 Gyro Replacement, Gyro Carriage: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the gyro carriage by removing the following screws:

    • Two 5.6mm Phillips #0.

    • When reinstalling these screws make sure to line up one screw with the keyway on the main rotor shaft.

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  5. Syma S107 Gyro Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Syma S107 Gyro Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Gently remove the broken gyro carriage by pulling up.

    • Remove blade assembly by simply sliding it up and off the shaft.

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  6. Syma S107 Gyro Replacement, Blade Carriage: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Syma S107 Gyro Replacement, Blade Carriage: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Syma S107 Gyro Replacement, Blade Carriage: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Again using tweezers gently remove the stabilizing links from the blade carriage by pulling straight away from the point of connection.

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  7. Syma S107 Gyro Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Syma S107 Gyro Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the blades from the blade carriage by removing the following screws:

    • Two 4.7mm Phillips #0.

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  8. Syma S107 Gyro Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Syma S107 Gyro Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the following screws:

    • Two 4.5mm Phillips #0.

    • Make sure to remove any broken plastic pins before reassembling the components.

    • You will have to slide the two halves of the blade carriage over the pins on the gyro carriage first when reassembling.

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To reassemble your device, follow these instructions in reverse order.

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Christopher Smith

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USF Tampa, Team 1-31, Donnelly Fall 2014 crwdns2935289:0USF Tampa, Team 1-31, Donnelly Fall 2014crwdne2935289:0

USFT-DONNELLY-F14S1G31

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Thank you for this guide! This has fixed the issue and made a 35 year old boy very happy!

Patrick haymer - crwdns2934203:0crwdne2934203:0

Cheers thanks too this page I fixed problem  great ,  Martin

Martin Worboys - crwdns2934203:0crwdne2934203:0

Same here, incidentally where can I get replacement batteries please? Also have a “Picolo” heli with a bad feedback IC , supposedly this part can also be replaced on some units as its a soldered vertical board on the main.

Andre - crwdns2934203:0crwdne2934203:0

Thank you! Took forever to find an answer to my problem! Now very obvious thanks to you. My sanity is restored! HaHa!

CRC 04/04/2021

Chris - crwdns2934203:0crwdne2934203:0

I’m halfway there and grateful for the directions. But I’m not having any luck removing the broken plastic pins from the blade carriage. I’ve tried using a needle but no luck. Did anyone else come up against this?

Adam Leavesley - crwdns2934203:0crwdne2934203:0

Now it flies in an oval pattern wat am I doing wrong?

prober1212 - crwdns2934203:0crwdne2934203:0

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