2004 TRX250EX Specifications

General Specs
Model NameSportrax 250EX
Model CodeTE27
Product CodeHN6
Frame VIN LocationStamped on cross member at front of frame
Engine Serial LocationStamped on bottom rear of crankcase
Frame Starting Number478TE270*44300001
478TE27U*44300001 (Australia)
Engine Starting NumberTE27E8700001
Owner Manual31HN6630
Service Manual61HN604
Length1735 mm (68.3 in)
Width1062 mm (41.8 in)
Height1073 mm (42.2 in)
Seat Height794 mm (31.3 in)
Wheelbase1124 mm (44.3 in)
Ground Clearance149 mm (5.9 in)
Curb Weight166 kg (366 lb)
Dry Weight158 kg (348.4 lb)
Caster Angle
Trail40 mm (1.57 in)
Tire & Rim
Front Tire Size (HxW-R)22x7-10
Rear Tire Size (HxW-R)22x10-9
Front Rim Size (W x H)5.5x10
Rear Rim Size (W x H)8x9
Engine Type4 Stroke Air Cooled
Cylinder ArrangementSingle cylinder
Displacement229.2 cc (14 ci)
Bore68.5 mm (2.7 in)
Stroke62.2 mm (2.4 in)
Compression Ratio9.2:1
Cylinder Compression1275 kPa (185 psi)
Starter TypeElectric
Oil Capacity - Total1.9 L (2 US qt; 1.7 Imp qt)
Oil Capacity - Oil Change1.6 L (1.7 US qt; 1.4 Imp qt)
Engine Dry Weight34.5 kg (76.1 lb)
Drive Train & Transmission
Clutch TypeAutomatic
Transmission Type5 Speed with reverse
Primary Reduction3.087
First Gear2.846
Second Gear1.933
Third Gear1.444
Fourth Gear1.130
Fifth Gear0.913
Final Reduction3.692
Gear Shift PatternR - N - 1 - 2 - 3 - 4 - 5
Identification MarkPDC1D
TypePiston valve
Throttle Bore20 mm (0.8 in)
Main Jet#95
Pilot Jet/Slow Jet#38
Jet Needle Clip Position3rd Groove
Pilot Screw Adjustment1 7/8 Turns out
Float Level14 mm (0.6 in)
Engine Idle1400 RPM
Air Filter TypeOiled double urethane foam
Fuel Tank Capacity10.2 L (2.7 US gal; 2.2 Imp gal)
Fuel Tank Reserve2.7 L (0.7 US gal; 0.6 Imp gal)
Ignition TypeAC-CDI
CDI Identification MarkCI691A (HN6)
Spark PlugDPR8EA-9 (NGK)
X24EPR-U9 (Denso)
Spark Plug Gap Max0.8-0.9 mm (0.031-0.035 in)
Pulse Generator Peak Voltage0.7 V minimum
Exciter Coil Peak Voltage100 V minimum
Lighting Coil0.1-1 Ω
Primary Coil Peak Voltage100 V minimum
Initial Ignition Timing14.0° BTDC
Voltage12 V
Power TypeDC
Alternator Max Output123 W
Alternator Max Output RPM5000 RPM
Regulator VoltageLess than 15.5 V
Front Brake TypeHydraulic disc
Rear Brake TypeMechanical drum
Front SuspensionDouble wishbone
Rear SuspensionSwingarm
Front Wheel Travel150 mm (5.9 in)
Rear Wheel Travel145 mm (5.7 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.