Service Letter No. 264 A
Engine Start Problems Due to Drift in Magneto-to-Engine Timing Reprint of Champion Slick Magneto Service Letter 4300/6300-74-20-001, dated February 18, 2015.
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
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