1987 ATC250SX Specifications
| General Specs | |
|---|---|
| Manufacturer | Honda |
| Year | 1987 |
| Model | ATC250SX |
| Model Code | TE04 |
| Product Code | HA6 |
| Frame VIN Location | Stamped into right side of frame neck |
| Engine Serial Location | On top of right side cover directly under exhaust pipe |
| Frame Starting Number | JH3TE042*HM200001 |
| Engine Starting Number | TE04E-7005001 |
| Owner Manual | 31HA6620 |
| Service Manual | 61HA602 |
| Chassis | |
| Length | 1785 mm (70.3 in) |
| Width | 1060 mm (41.7 in) |
| Height | 1028 mm (40.5 in) |
| Seat Height | 720 mm (28.3 in) |
| Wheelbase | 1175 mm (46.3 in) |
| Ground Clearance | 145 mm (5.7 in) |
| Dry Weight | 165 kg (363.8 lb) |
| Caster Angle | 21° |
| Trail | 19 mm (0.75 in) |
| Tire & Rim | |
| Front Tire Size (HxW-R) | 22x11-8 |
| Rear Tire Size (HxW-R) | 22x11-8 |
| Engine | |
| Engine Type | OHC single cylinder 4 stroke air cooled |
| Cylinder Arrangement | Single cylinder inclined 20 degrees |
| Valve Train | Overhead camshaft - chain drive |
| Displacement | 246 cc (15 ci) |
| Bore | 74 mm (2.9 in) |
| Stroke | 57.3 mm (2.3 in) |
| Compression Ratio | 9:1 |
| Cylinder Compression | 1128-1324 kPa (164-192 psi) |
| Horsepower | 18 PS (17.8 hp) |
| Torque | 1.9 kg/m3 (13.7 ft-lb) |
| Starter Type | Electric starter & forward kick start |
| Oil Capacity - Total | 2.5 L (2.6 US qt; 2.2 Imp qt) |
| Oil Capacity - Oil Change | 2.1 L (2.2 US qt; 1.8 Imp qt) |
| Engine Dry Weight | 46.3 kg (102.1 lb) |
| Drive Train & Transmission | |
| Clutch Type | Automatic wet multidisc centrifugal |
| Transmission Type | 5 speed constant mesh with reverse |
| Primary Reduction | 2.407 |
| First Gear | 3.615 |
| Second Gear | 2.000 |
| Third Gear | 1.400 |
| Fourth Gear | 1.069 |
| Fifth Gear | 0.848 |
| Reverse | 7.785 |
| Final Reduction | 4.969 |
| Gear Shift Pattern | Forward: N - SL - 1 - 2 - 3 - 4, Reverse: N - R |
| Driveline | Shaft |
| Carburetor | |
| Brand | Keihin |
| Identification Mark | QA08A |
| Type | Dual valve |
| Throttle Bore | 27 mm (1.1 in) |
| Main Jet | #130 |
| Pilot Jet/Slow Jet | #38 |
| Jet Needle Clip Position | 2nd Groove |
| Pilot Screw Adjustment | 1 1/4 Turns out |
| Float Level | 18.5 mm (0.7 in) |
| Engine Idle | 1400 RPM |
| Fuel Tank Capacity | 9.8 L (2.6 US gal; 2.2 Imp gal) |
| Fuel Tank Reserve | 1.8 L (0.5 US gal; 0.4 Imp gal) |
| Ignition | |
| Ignition Type | CDI |
| CDI Identification Mark | CI-91 (HA8) |
| Spark Plug | DR8ES-L (NGK), X24ESR-U (Denso) |
| Spark Plug Gap Max | 0.6-0.7 mm (0.024-0.028 in) |
| Pulse Generator | 290-360 Ω |
| Exciter Coil | 50-200 (Denso), 250-400 (Mitsuba) Ω |
| Lighting Coil | 0.2-1 Ω |
| Ignition Coil Primary | 0.1-0.3 Ω |
| Ignition Coil Secondary w/o Cap | 3700-4500 Ω |
| Ignition Coil Secondary w/ Cap | 7400-11000 Ω |
| Initial Ignition Timing | 13.0° BTDC |
| Full Advance Ignition Timing | 31.0° BTDC |
| Ignition Advancement Type | Electronic |
| Electrical | |
| Voltage | 12 V |
| Power Type | Full Wave Rectified DC |
| Alternator Max Output | 150 W |
| Alternator Max Output RPM | 5000 RPM |
| Regulator Voltage | 14-15 V |
| Brakes | |
| Front Brake Operation | Right hand |
| Rear Brake Operation | Left hand & right foot |
| Front Brake Type | Cable operated drum |
| Rear Brake Type | Cable operated drum |
| Suspension | |
| Front Suspension | Telescopic Fork |
| Rear Suspension | Swingarm |
| Front Wheel Travel | 135 mm (5.3 in) |
| Rear Wheel Travel | 120 mm (4.7 in) |
| Front Fork Oil Capacity | 180 cc (6.1 US fl oz; 6.3 Imp fl oz) |
Information on this page is provided in good faith that it is accurate, but in no way is the data guanteed to be accurate. If there are any mistakes, please contact me.