Lower Unit - TOHATSU BFT115A Service Manual

ENGINE
Model
Description code
Type
Displacement
Bore × stroke
Rated power
Maximum torque
Compression ratio
Fuel consumption ratio
(at rated power)
Fuel consumption ratio
(at continuous maximum power)
Cooling system
Ignition system
Ignition timing
Spark plug
Fuel supply system
Fuel injection system
Fuel injection nozzle
Fuel
Fuel pump
Lubrication system
Lubrication capacity
Starter system
Exhaust system

LOWER UNIT

Clutch
Gear ratio Forward
Reverse
Reduction
Gear case oil capacity
Propeller rotating direction
4-stroke, D.O.H.C., 4 cylinder
2,354 cm
87.0 × 99.0 mm (3.43 × 3.90 in)
84.6 kW (115 PS) at 5,250 min
194 N·m (19.8 kgf·m, 143 lbf·ft)
315 g/kW·h
315 g/kW·h
Forced water circulation by impeller pump with thermostat
Fully transistorized, battery ignition
0°at 750 min
ZFR6K–11 (NGK), KJ20DR–M11 (DENSO)
Programmed fuel injection
Electronic control
Multi-point type
Unleaded gasoline with a pump octane rating of 86 or higher
Electric and mechanical plunger type
Pressure lubrication by trochoid pump
7.35 liter (7.77 US qt, 6.47 Imp qt)
[Without oil filter replacement : 6.5 liter (6.87 US qt, 5.72 Imp qt)]
[With oil filter replacement : 6.7 liter (7.08 US qt, 5.90 Imp qt)]
Electric starter
Underwater type
Dog clutch (Forward – Neutral – Reverse)
2.14 (30/14)
2.14 (30/14)
Spiral bevel gear
0.98 liter (1.04 US qt, 0.86 Imp qt)
Clockwise (viewed from rear) : LU, XU, LD, XD, LC and XC types
Counterclockwise (viewed from rear) : XCD type
GENERAL INFORMATION
BF115D
BEBHJ
3
(143.6 cu in)
-1
(rpm)
9.6 : 1
-1
(rpm) B.T.D.C
1-3