Knowledge base
Hirth 3503 Carb Tuning Supplement
Hirth Motoren GmbH · 2026-03-08
High reliabilityinternalpdf
Relevant excerpt
Main jet 162 for sea level, drop one size per 1000m altitude. Pilot jet 45 standard, raise to 48 below 5°C ambient.
Main jet 162 for sea level, drop one size per 1000m altitude. Pilot jet 45 standard, raise to 48 below 5°C ambient.