What is the firing order on 1988 or 1989 Volvo penta marine engine?

The firing order for the 1988 and 1989 Volvo Penta marine engines, specifically the Volvo Penta 4.3L, 5.0L, and 5.7L V8 engines, is 1-8-4-3-6-5-7-2. This order is crucial for proper engine operation and performance. Always refer to the specific engine manual for any variations or additional details.