1987 TRX125 Specifications
| General Specs | |
|---|---|
| Manufacturer | Honda |
| Year | 1987 |
| Model | TRX125 |
| Model Name | Fourtrax 125 |
| Model Code | TE05 |
| Product Code | HC3 |
| Frame VIN Location | Stamped on front of frame |
| Engine Serial Location | Stamped on bottom of left crankcase cover |
| Frame Starting Number | JH3TE050*HK200001 |
| Engine Starting Number | TE05E-5000001 |
| Owner Manual | 31HC3600 |
| Service Manual | 61HC300 |
| Chassis | |
| Length | 1600 mm (63 in) |
| Width | 1000 mm (39.4 in) |
| Height | 970 mm (38.2 in) |
| Seat Height | 700 mm (27.6 in) |
| Wheelbase | 1060 mm (41.7 in) |
| Ground Clearance | 115 mm (4.5 in) |
| Dry Weight | 136 kg (299.9 lb) |
| Caster Angle | 8° |
| Trail | 32 mm (1.26 in) |
| Tire & Rim | |
| Front Tire Size (HxW-R) | 20x7-8 |
| Rear Tire Size (HxW-R) | 22x11-8 |
| Front Rim Size (W x H) | 5.5x8 |
| Rear Rim Size (W x H) | 8.25x8 |
| Engine | |
| Engine Type | OHC single cylinder 4 stroke air cooled |
| Cylinder Arrangement | Single cylinder inclined 25 degrees from vertical |
| Valve Train | Overhead camshaft - chain drive |
| Displacement | 124.8 cc (7.6 ci) |
| Bore | 54 mm (2.1 in) |
| Stroke | 54.5 mm (2.1 in) |
| Compression Ratio | 9:1 |
| Cylinder Compression | 1206-1402 kPa (175-203 psi) |
| Horsepower | 9.4 PS (9.3 hp) |
| Torque | 0.96 kg/m3 (6.9 ft-lb) |
| Starter Type | Electric and recoil |
| Fuel Type | Regular Gasoline |
| Oil Capacity - Total | 1.3 L (1.4 US qt; 1.1 Imp qt) |
| Oil Capacity - Oil Change | 1.1 L (1.2 US qt; 1 Imp qt) |
| Engine Dry Weight | 31.2 kg (68.8 lb) |
| Drive Train & Transmission | |
| Clutch Type | Automatic wet multiplate centrifugal |
| Transmission Type | 5 speed constant mesh with reverse |
| Primary Reduction | 3.737 |
| First Gear | 3.250 |
| Second Gear | 2.188 |
| Third Gear | 1.550 |
| Fourth Gear | 1.167 |
| Fifth Gear | 0.923 |
| Reverse | 4.593 |
| Final Reduction | 4.000 |
| Gear Shift Pattern | Forward: N - 1 - 2 - 3 - 4 - 5 Reverse: N - R |
| Driveline | Chain |
| Carburetor | |
| Brand | Keihin |
| Identification Mark | PD55B |
| Type | Piston valve |
| Main Jet | #92 |
| Pilot Jet/Slow Jet | #35 |
| Jet Needle Clip Position | 2nd Groove |
| Pilot Screw Adjustment | 1 3/8 Turns out |
| Float Level | 10.7 mm (0.4 in) |
| Engine Idle | 1500 RPM |
| Fuel Tank Capacity | 7.5 L (2 US gal; 1.6 Imp gal) |
| Fuel Tank Reserve | 1.5 L (0.4 US gal; 0.3 Imp gal) |
| Ignition | |
| Ignition Type | CDI |
| CDI Identification Mark | CI540 (HC3) |
| 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 | 100-300 Ω |
| Lighting Coil | 0.1-1 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 | 10.0° BTDC |
| Full Advance Ignition Timing | 28.0° BTDC |
| Ignition Advancement Type | Electronic |
| Electrical | |
| Voltage | 12 V |
| Power Type | DC |
| Alternator Max Output | 130 W |
| Alternator Max Output RPM | 5000 RPM |
| Regulator Voltage | 13.5-15.5 V |
| Brakes | |
| Front Brake Type | Cable operated drum |
| Rear Brake Type | Cable operated drum |
| Suspension | |
| Front Suspension | Rigid |
| Rear Suspension | Rigid |
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.