Sky-Tec Starter Key - Start C12ST2

+$200 Core Exchange Charge
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Part# 07-00614
MFR Model# C12ST2


For Continental A75-12 through O-300-C Engines - Now featuring internal, self-resetting Kickback Protection System - zero maintenance - no pin to shear.
Sky-Tec Flyweight™ Starters for small Continental aircraft engines. 6-8 lbs. lighter and significantly more reliable than the original, heavyweight factory starter.

Also replaces/eliminates the continuous running clutch gear. Unit features a dowel-like nose allowing installation in factory key-start engines without requiring removal of the needle bearing in the engine. Model: C12ST2 Weight: 9.2 lbs.
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


  • 9.2lbs
  • Incredibly reliable design
  • All-in-one bolt-off/bolt-on installation
  • Eliminates continuous duty clutch on smaller series engines
  • Positive disengagement eliminates wear while your engine is running
  • Significant torque increase/multiple gear reduction
  • Decreased current draw
  • Sky-Tec starters are covered by a 2-year factory warranty.

Core Return Policy

Any unit being returned for core or warranty core credit shall be, as removed from the engine, complete and not disassembled. No core or warranty core credit will be allowed for automotive units. Units that are rusty or cannot be overhauled for any reason will be classified as scrap, having no value. Units which have been weld repaired, as well as units which have been disassembled and then reassembled with old parts, will also be classified as scrap, having no value. A percentage of the core value will be charged for all missing or damaged parts. At no time will the damaged or missing parts charge on any unit exceed the core value of that unit.

1. Core will only be accepted for credit 12 months from date of invoice.
2. Cores returned in excess of cores invoiced will not be accepted.
3. Cores must be of like purchase, a directly superseded unit or replaced unit when installing an STC'd product.
4. Competitive product cores are acceptable returns.
5. Cores must have a legible data tag for part and serial number verification.

Note: Customer will need to provide core for overhaul in the event our supplier does not have cores available to overhaul.

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Works incredibly well, direct replacement with no issues.

Justin M
November 3, 2022

Norm P Verified Purchase


March 13, 2022

Starter bolted right in, no adjustments necessary, worked the first time. Showed up at my door very quickly after I ordered it. The core return information was included and made the core return very easy.

Maag A Verified Purchase


February 18, 2022

Replaced my original starter with the Sky-tech Key start C12ST2 in my C-1968 Cessna 150, has amazing starting torque

Kerry P Verified Purchase


December 2, 2021

Flawless installation (gasket not included), robust instant torque.

Charleston F
March 22, 2020

Reduced weight by 5 pounds

June 20, 2019

Eddy B
March 12, 2019

Works like new,,,,wait, it is new,,,,and works.

Ray T
November 3, 2018

I placed a review statement earlier today (28 Dec 21). I wanted to update my review. Crow is better eaten hot. I found the Gasket between the FAA Form 8130-3 folds in the zip-lock bag attached to the starter. I missed when I opened the box at the Aircraft Spruce desk yesterday. So, REALLY THERE IS A GASKET. You just have to look for it. I apologies for my false statement earlier. I would however like to know what caused the Sky-Tec Starter to fail.

Mark T
December 28, 2021

3 stars only because I haven’t tried it yet. Installed on an experimental O-200 still on the engine stand. I’m assuming it will be great.

Carl O Verified Purchase


May 27, 2021


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Is a separate solenoid required with the Sky-Tec Key-start C12ST2?

Per Sky-Tec: You should utilize a starter solenoid in conjunction with the starter. We offer a variety of starter solenoids. Please make sure you match the starter solenoid voltage with the voltage of your starter/aircraft and to choose which assembly will best suite your application.

Q: According to other sources a gasket is included. Please confirm that a gasket is included.

The gasket is included in the box.

Q: What is the amps the SKY-TEC STARTER KEY-START C12ST2 starter pulls?

95A avg @ 11V / 100 RPM Test.

Q: Is a solenoid required with the C12ST2?

Yes this would require a starter solenoid.

Q: What is the distance between the face of the mount and the end of the starter? ( I need to calculate firewall clearance on a homebuilt). Does the listed price include a core charge ? (page 382 in current catalogue) What is the difference between the C12ST2 and the C12ST2/S?

Per the manufacturer: "The C12ST2 is for the later model key start aircraft. The C12ST2/S is for the pull type starter installations. If replacing a pull type, the initial kit to use is the KCST2 per the STC." Both the product price and the core charge are displayed separately on the web page.

Q: What is the distance between the starter mount base and the end of the starter?

We added the install diagram and dimensional drawing to the Documents section of the web page. These are the available dims that we have. Please download and review them there.

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