Supersedes Service Letter No. L264
To All Owners and Operators of Lycoming Engine Models with Champion Magnetos
REASON FOR REVISION
Deleted Table 1 and Figure 1 in the attached Service Letter
If any of the following occur on a Lycoming engine after installation of Champion Slick 4300/6300 Series magnetos, complete the instructions per the attached Champion Slick Magneto Service Letter 4300/6300-74-20-001, dated February 18, 2015:
- Hard starts
- Rough engine operation
- RPM / differential drops exceeding Lycoming Engine’s pre-flight magneto drop-off check
Product Support Network
Wherever you are in the world, you have access to exceptional expertise and knowledge about Lycoming engines. Get the most comprehensive customer service and support in the general aviation industry.
Find a Service Center
Every Lycoming Service Center can help keep your engine up to date with all Service Letters.