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Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

$43.95/Each
Price Includes GST
Part# 12-02817
MFR Model# MAG TM TOOL
DescriptionApplicationPart Number
Magneto TimerTCM O-300 C & D, IO-360, 470, 520, 55012-02817

Overview

Aluminum CNC tool manufactured in Alaska for simple and perfect magneto timing.

Very easy to use! Simply position engine on #1 TDC compression stroke. Lube grommets. Put this tool on the top two propeller nuts and sight down top case halves to see exact mag timing. Now there's no need for propeller protractor cones!

Applications

  • Direct drive sand-cast engines

Specifications

  • Place Magneto Timer over the prop nuts and slide down the casing split to set the timing.
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Reviews

Great tool! Accurate and saves a lot of time when checking magneto timing.

Herman H Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

December 14, 2024

Worked amazing on my Continental O470R that had no other timing marks on it.

Charles A Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

June 12, 2024

Works well and very simple to use.

Adam Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

April 27, 2024

Works great. Just put a little engine oil on the grommets and you are good to go, otherwise it is very difficult to get onto the bolts

Bobby M Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

December 5, 2023

Quick technique to see if mag timing may be an issue.

Jared K Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

June 30, 2023

This FAA A&P, the greatist thing since sex. Very easily used by the owner, check by the owner for engine timing, Change by A&P only. Many engine coughs and sputters affect engine timing, I could name 10 very quick. And keep you from walking home. Nice to have, 60 years ago. Worth $$$$. Havent checked Lycoming yet.. CH

Chuck H
November 2, 2022

These are a great quick reference for verifying timing. No complaints.

Eric S Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

April 23, 2022

Love this tool!

Samuel J Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

March 19, 2022

I saw an ad for this in the Cessna Pilot Association magazine and the ad said the tool for the 470/520/550 was also for the IO 360 ( which I have on my R172K Hawk XP) . Turns out that it works fine but with some exceptions. The clearance between the prop hub nuts and the front of the engine is too tight to insert the tool with the friction grommets in place. I removed the grommets and could slide the aluminum gauge in the gap and over the nuts. There was some minor side-to-side slippage, so I used some double sided foam tape to secure the gauge exactly when the #1 cylinder was at TDC to align the TDC mark on the gauge . Without the play, the 20deg notch was solid and good for timing the IO360KB engine. Happy with this

Steve K Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

February 18, 2022

Works great with no moving parts!

Andy K Verified Purchase

Continental Engine Magneto Timing Tool O-300 C D / 470 / 520 / 550

February 15, 2022

Q&A

Please note, Aircraft Spruce Australia'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 Australia 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: Will this work on the continental A-65 & A-75?

These engines are not listed. Per the application info this is used on TCM 0-300D, 470, 520, 550.

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