User Manual

2. BF8DIBF9.9D
Model
BF8D, BFP8D BF9.9D, BFP9.9D
::iacement
Bore x stroke
Water cooled 4-strokeI O.H.C., vertical twin
222 cm3 (13.5 cu. in.)
58 x 42 mm (2.3 x 1.7 in)
I Compression ratio 1 9.0 : 1 I
Rated horsepower
Maximum torque
5.9 kW (8.0 PS) at 4,500-5,000 rpm
12.5 N-m (1.27 kg-m, 9.18 Ib-ft)
at
4,000 rpm
7.3 kW (9.9 PS) at 5,000-6,000 rpm
13.1 N-m (1.34 kg-m, 9.67 Ib-ft)
at
4,500 rpm
I Ignition timing
Fuel consumption
Cooling system
Ignition system
~~
00 B.T.D.C. at 1,000 min-I (rpm)
377 g (13.3 oz.) / kWh 394 g (13.9 02.) / kWh
Forced water circulation by impeller pump with thermostat
Optical CDI
1
Stopping system
Fuel used
Fuel tank capacity
Fuel pump
Exhaust svstem
Ispark plug
I CR5EH-9 (NGK), U16FER9 (DENSO) I
~ ~ ~~~
Ignition primary circuit ground
Automotive unleaded gasoline (minimum
86 pump octane)
12 liters (3.2 US gal)
Mechanical plunger type
Thru-hub tvDe
/Carburetor
I Horizontal butterfly valve-type single carburetor with auto start I
Model
Clutch
Gear ratio
I Lubricating system I Forced lubrication by trochoid pump I
BF8D, BF9.9D BFP8D, BFP9.9D
Dog clutch (forward-neutral-reverse)
2.3:l (28/12)
loil capacity
Reduction type
Gear case oil capacity
Recommended gear case oil
1 .O liter (1.06 US qt) at oil change
1.3 liter (1.37 US qt) with oil filter replacement
Spiral bevel gear
0.285 liters (0.27 US qt)
API Service classification GL4 or GL5
1
Number of blades
Diameter
/Recommended oil
I
SAEl OW-30, API Service classification SG, SH, SJ
I
4 4
235 mm (9.3 in)
254 mm (10 in)
lstarting system
I Electric starter and recoil starter I
Pitch
Rotating direction
IBattery system
1 494 MCA minimum (engine oDerations onlv) I
165 mm (6.5 in)
S type: 229 mm (9.0 in)
L, XL type: 203 mm (8.0 in)
Clockwise (viewed from rear)
Propeller
Date of Issue: June 2003
0 2001-2003 American Honda Motor Co., Inc.
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