Tohatsu 9.8 HP Tiller Outboard Motor - MFS 9.8C - 2026

The new generation Tohatsu MFS9.9C introduces Electronic Fuel Injection (EFI) to the 200 cc class, delivering consistent starting, smooth idling, and superior fuel efficiency. The battery-less EFI system eliminates carburetor maintenance and ethanol-related issues while providing clean, reliable performance. Compact, durable, and lightweight, the MFS9.9C is the lightest 2-cylinder EFI outboard in its class, built for portability and dependability.

Features:

• Battery-less EFI system provides consistent starting, stable idling, and improved fuel efficiency
• Standard Water-cooled fuel pump ensures reliable operation
• Ergonomic tiller handle with integrated F-N-R shift lever, stop switch, and throttle friction adjustment
• Redesigned carrying handle with 40% larger surface area for easier, more comfortable transport
• Fuel connector positioned on starboard side for convenient access
• Mid-section freshwater flushing port for quick, tool-free maintenance
• Improved crankcase ventilation system increases efficiency and reduces emissions
• Rubber tilt handle and forward center of gravity reduce tilt effort by 19%
• Modern cowling design consistent with MFS2.5 - MFS30 models
• Transparent fuel filter with floating indicator ring for water detection and easy drainage
• Reduced vibration and induction noise for smooth, quiet operation
• Trim tab reduces steering effort and doubles as a sacrificial anode
• Thermostatically controlled cooling system maintains consistent temperature
• Stainless steel water pump housing liner for superior durability
• Through-the-prop exhaust for quieter performance
• High-grade marine aluminum alloy with internal zinc coating for maximum corrosion protection
• Digital CD ignition for faster starting and smooth acceleration
• Low oil pressure indicator, start-in-gear protection, and over-rev limiter
• ultra-low emission, EPA and CARB 3-Star certified

Specifications:

• Engine Type: 4-stroke, 2 Cylinder, SOHC-4V
• Displacement: 200 cc (12.2 cu.in.)
• Bore & Stroke: 2.15" x 1.75" (55 x 44 mm)
• Full Throttle RPM Range: 5300 - 6200
• Alternator Output: 12V, 96W, 8A
• Dry Weight Range: 85 - 87 lbs
• Rated Power: 9.9 HP
• Fuel Delivery: EFI
• Steering Type: Tiller
• Shaft Length: 15", 20", 25"
• Starting System: Manual, Electric
• Cooling System: Water-cooled with thermostat
• Ignition System: Digital CD ignition
• Exhaust: Through prop
• Lubrication System: Wet sump
• Oil Capacity: 0.8 L
• Trim Range: 6 positions
• Tilt Range: 75°
• Gear Ratio: 2.08:1
• Gear Shift: F-N-R
• Standard Propeller: 3-blade aluminum (8.5" x 8")
• Oil Pressure Alert: Yes
• Temperature Alert: Yes
• Rev Limiter: Yes
• Fuel Tank Capacity: 12 L (3.1 gal) external fuel tank with line included
• Factory Warranty: 5 years. Warranty begins on date of purchase

Note: Alternator available on electric start models only.

Owner's Manual (3.08 MB)

Dimensions Diagram