2024 Yamaha 9.9HP - 20" Shaft
$2,985.00
Reynolds Boats | Reynolds' Boats | Lyme, Connecticut
Discover the lightweight power of Yamaha’s 20‑inch shaft, manually started and electrically assisted engines – perfect for anglers, hunters, and outdoor enthusiasts who demand reliable performance on any terrain.
Engine Overview
- Type: SOHC two‑cylinder engine with a displacement of 212 cc
- Bore x Stroke: 56 × 43 mm (2.20 × 1.70 in.)
- Compression ...
Discover the lightweight power of Yamaha’s 20‑inch shaft, manually started and electrically assisted engines – perfect for anglers, hunters, and outdoor enthusiasts who demand reliable performance on any terrain.
Engine Overview
- Type: SOHC two‑cylinder engine with a displacement of 212 cc
- Bore x Stroke: 56 × 43 mm (2.20 × 1.70 in.)
- Compression Ratio: 9.4:1
- Fuel Induction: Carbureted system for consistent throttle response
- Starting Options: Electric and manual start – versatile setup for any environment
Performance Specifications
- Propeller Shaft Horsepower: 9.9 HP at 5,500 RPM (F9.9) or 8.0 HP at the same speed (F8)
- Full Throttle RPM Range: 5,000–6,000
- Gear Ratio / Shift: 2.08:1 with Forward, Neutral and Reverse options
- Amp Output at W.O.T.: 6 A for reliable electrical systems
- Weight: Under 90 lb (39–42 kg) – ideal for carrying to the cabin or campsite
Design Features & Convenience
- 20‑inch shaft length with adjustable tilt up to 71° and trim from ‑4 to +16 degrees
- Carries on‑side storage, resting pads, and ergonomic handles for easy transport
- Forward‑mounted controls simplify operation in tight spaces or while seated on a boat seat
- Optional sport cowl adds an aerodynamic look to the high‑thrust model
Reliability & Maintenance
- Engine Oil: 0.8 L wet sump system – use Yamalube® 4M or equivalent
- Fuel Filter: Yamaha 10‑micron external fuel/water separator for clean combustion
- Ethanol Blend Limit: Up to 10% ethanol permissible in the fuel mix
- Warranty: Limited three years Pleasure, three years Government and one year Commercial coverage
The Yamaha F9.9 and F8 portable engines combine power with portability, making them perfect for full‑day fishing trips, marsh skimming or any outdoor activity that requires dependable propulsion.
Estimate Payments
Payment calculations are just estimates. Rates and terms vary day to day. Not an agreement, informational purposes only. Contact dealer for current rates, terms, and payment plans, etc.
Advertised pricing excludes applicable taxes title and licensing and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.