1987 TRX250 Specifications

General Specs
Model NameFourtrax 250
Model CodeTE06
Product CodeHA8
Frame VIN LocationStamped on front of frame
Engine Serial LocationOn top of right side cover directly under exhaust pipe
Frame Starting NumberJH3TE060*HC200001
Engine Starting NumberTE06E-8200001
Service Manual61HA802
Length1875 mm (73.8 in)
Width1080 mm (42.5 in)
Height1020 mm (40.2 in)
Seat Height765 mm (30.1 in)
Wheelbase1235 mm (48.6 in)
Ground Clearance160 mm (6.3 in)
Dry Weight217 kg (478.5 lb)
Caster Angle
Trail42 mm (1.65 in)
Tire & Rim
Front Tire Size (HxW-R)21x7-10
Rear Tire Size (HxW-R)25x12-9
Front Rim Size (W x H)5.5x10
Rear Rim Size (W x H)9.25x9
Engine Type4 Stroke Air Cooled
Cylinder ArrangementSingle cylinder inclined 20 degrees
Valve TrainOverhead camshaft - chain drive
Displacement246 cc (15 ci)
Bore74 mm (2.9 in)
Stroke57.3 mm (2.3 in)
Compression Ratio9:1
Cylinder Compression1128-1324 kPa (164-192 psi)
Horsepower19.6 PS (19.3 hp)
Torque2.03 kg/m3 (14.7 ft-lb)
Starter TypeElectric and forward kick start
Oil Capacity - Total2.5 L (2.6 US qt; 2.2 Imp qt)
Oil Capacity - Oil Change2.1 L (2.2 US qt; 1.8 Imp qt)
Engine Dry Weight46.3 kg (102.1 lb)
Drive Train & Transmission
Clutch TypeAutomatic wet multidisc centrifugal
Transmission Type5 speed constant mesh with reverse
Primary Reduction2.407
First Gear4.083
Second Gear2.389
Third Gear1.609
Fourth Gear1.179
Fifth Gear0.906
Final Reduction5.684
Gear Shift PatternN - 1 - 2 - 3 - 4 - 5
Identification MarkQA04A
TypeDual Valve
Throttle Bore27 mm (1.1 in)
Main Jet#128
Pilot Jet/Slow Jet#38
Jet Needle Clip Position3rd Groove
Pilot Screw Adjustment2 3/8 Turns out
Float Level18.5 mm (0.7 in)
Engine Idle1400 RPM
Air Filter TypeOiled double urethane foam
Fuel Tank Capacity10 L (2.6 US gal; 2.2 Imp gal)
Fuel Tank Reserve2 L (0.5 US gal; 0.4 Imp gal)
Ignition TypeCDI
CDI Identification MarkCI-91 (HA8)
Spark PlugDR8ES-L (NGK), X24ESR-U (Denso)
Spark Plug Gap Max0.6-0.7 mm (0.024-0.028 in)
Pulse Generator300-360 Ω
Exciter Coil50-200 Ω (Denso)
200-400 Ω (Mitsuba)
Lighting Coil0.2-1 Ω
Ignition Coil Primary0.16-0.2 Ω
Ignition Coil Secondary w/o Cap3600-4500 Ω
Initial Ignition Timing13.0° BTDC
Full Advance Ignition Timing31.0° BTDC
Voltage12 V
Power TypeDC
Alternator Max Output200 W
Alternator Max Output RPM5000 RPM
Regulator Voltage13-15 V
Front Brake TypeHydraulic drum
Rear Brake TypeCable operated drum
Front SuspensionTrailing arms
Rear SuspensionSwing arm
Front Wheel Travel50 mm (2 in)
Rear Wheel Travel100 mm (3.9 in)

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.