New to me Honda 9.9 having issues | Boat Repair Forum

honda990.99% APR * Financing. For well-qualified buyers on HondaTrue Certified 2025–2025 Civic, HR-V, CR-V and Pilot vehicles. Now through June 30, 2025.Yes. Honda's BF8 and BF9.9 use the same 222 cc block, the 9.9 is rated for 5500 rpm while the 8 is capped at 5000. Similarly, the BF15 and BF20 use the same 350 cc block;