For your L30 you have to choose:
- Yamaha Outboarder 5 or 15 Hp
- Torqueedo elektrical outboarder
- Torqueedo electrical inboard Saildrive
- FMT Momentumg ring Motor Size 140 or 170
- Lombardini Dieselmotor LDW 502 or 702 Saildrive
The outboard Systems are the cheapest Version, the most smart solution is the FMT Momentum Motor.