1985 - 1987 Honda 250ES

Engine Specifications

 

Engine Type: Gasoline, 4 Stroke, Air cooled

Cylinder Arrangement: Single Cylinder Inclined 20 degrees

Displacement: 246 cc (15.0 cubic inches)

Bore x Stroke: 74.0 x 57.3 mm (2.91 X 2.26 in)

Compression ratio: 9 to 1

Cylinder Compression: 170 - 185 psi

Valve train: Overhead camshaft chain driven 

Maximum Horsepower: 17.8 BHP @ 7,000 RPM

Maximum Torque: 13.7 FT-LBS @ 6,000 RPM

Oil Capacity: 1.59 Quarts (full disassembly)

                  1.16 Quarts (normal oil change)

Oil Filter: Pleated paper type

Lubrication System: Forced pressure and wet sump

Intake valve: OPENS  8 deg. BTDC @ 1 mm lift

                  CLOSES 35 deg. ABDC @ 1mm lift

Exhaust valve: OPENS 40 deg. BBDC @ 1mm lift              CLOSES 5 deg. ATDC @ 1mm lift

Valve Clearance: Intake 0.08mm (0.003 in)

  (cold)             Exhaust 0.08mm (0.003 in)

Engine dry weight: 46.3 KG (102 lbs)

Engine Serial Number : located on lower right crankcase 1985 TE04E-5000001 and up

1986 TE04E-6000001 and up

1987  TE04E-8100001 and up