Updating of operator's manual
Tillaga í öryggisátt
The ITSB recommends that Göbler Hirthmotoren KG updates its Operator‘s Manual for Hirth engine 3503 with the correct spark plug information in Table 4.1 of Chapter 6. Specifications – 3503 engine.
Not actioned by Göbler Hirthmotoren KG / Hirth Engines GmbH.