1987 TRX350 Specifications

General Specs
Model NameFourtrax 4X4
Model CodeTE07
Product CodeHA7
Frame VIN LocationStamped on front bumper
Engine Serial LocationStamped on top right crankcase
Frame Starting NumberJH3TE070*HM100001
Engine Starting NumberTE07E-8100001
Owner Manual31HA7610
Service Manual61HA703
Length1850 mm (72.8 in)
Width1040 mm (40.9 in)
Height1080 mm (42.5 in)
Seat Height770 mm (30.3 in)
Wheelbase1210 mm (47.6 in)
Ground Clearance160 mm (6.3 in)
Dry Weight259 kg (571.1 lb)
Caster Angle
Trail14 mm (0.55 in)
Tire & Rim
Front Tire Size (HxW-R)24x9-11
Rear Tire Size (HxW-R)24x9-11
Front Rim Size (W x H)7.5x11
Rear Rim Size (W x H)7.5x11
Engine Type4 Stroke Air & Oil Cooled
Cylinder ArrangementSingle cylinder inclined 20 degrees
Valve TrainOverhead camshaft - chain drive
Displacement350.4 cc (21.4 ci)
Bore81 mm (3.2 in)
Stroke68 mm (2.7 in)
Compression Ratio8.5:1
Cylinder Compression1226-1422 kPa (178-206 psi)
Horsepower24.8 PS (24.5 hp)
Torque2.9 kg/m3 (21 ft-lb)
Starter TypeElectric and forward kick start
Oil Capacity - Total2.8 L (3 US qt; 2.5 Imp qt)
Oil Capacity - Oil Change2.3 L (2.4 US qt; 2 Imp qt)
Engine Dry Weight56.1 kg (123.7 lb)
Drive Train & Transmission
Clutch TypeAutomatic wet multiplate centrifugal
Transmission Type5 speed constant mesh with reverse
Primary Reduction2.103
First Gear4.083
Second Gear2.389
Third Gear1.609
Fourth Gear1.179
Fifth Gear0.906
Final Reduction3.889
Gear Shift PatternForward: N - 1 - 2 - 3 - 4 - 5
Reverse: N - R
Driveline4x4 Shaft
Identification MarkQA03A
TypeDual Valve
Throttle Bore31 mm (1.2 in)
Main Jet#142
Pilot Jet/Slow Jet#35
Starter Jet#100
Jet Needle Clip Position3rd Groove
Pilot Screw Adjustment1 1/2 Turns out
Float Level18.5 mm (0.7 in)
Engine Idle1400 RPM
Fuel Tank Capacity10.5 L (2.8 US gal; 2.3 Imp gal)
Fuel Tank Reserve2.6 L (0.7 US gal; 0.6 Imp gal)
Ignition TypeCDI
CDI Identification MarkCI523 (HA7), CI537 (HA7)
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
Lighting Coil0.2-1 Ω
Ignition Coil Primary0.1-0.2 Ω
Ignition Coil Secondary w/o Cap3700-4500 Ω
Ignition Coil Secondary w/ Cap7500-10800 Ω
Initial Ignition Timing10.0° BTDC
Full Advance Ignition Timing30.0° BTDC
Voltage12 V
Power TypeDC
Alternator Max Output240 W
Alternator Max Output RPM5000 RPM
Regulator Voltage13.5-15.5 V
Front Brake TypeHydraulic drum
Rear Brake TypeCable operated drum
Front Wheel Travel110 mm (4.3 in)
Rear Wheel Travel110 mm (4.3 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.