General Specifications
HP / kW
9.9 HP / 7.4 kW
Displacement
247 cc (15.1 cu in.)
Cylinders
2 (Inline)
WOT RPM
4500 - 5300
Weight
41 kg / 90 lbs
Drive & Lower Unit
Gear Ratio
1.85:1
Shaft Length
15, 20
Electrical System
Alternator Output 80 Watts
Starting System Manual
Technical Maintenance Toolkit
Verified service specifications for the Tohatsu M9.9D2 (2-Stroke) (2005)
Lubrication
Engine Oil
TC-W3 (50:1)
Gearcase Lube 370 ml
Ignition System
Spark Plug
NGK B7HS-10
Gap Setting 0.035"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 4500-5300
Alternator 80W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Tohatsu M9.9D2 (2-Stroke) is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Tohatsu M9.9D2 (2-Stroke):
Category Discovery
Reference Data
Information compiled from Tohatsu Marine factory service manuals and original sales literature published in 2005.