Specifications - Honda TRX70 Fourtrax 1986 Service Manual

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•
SPECIFICATIONS
Item
DIMENSIONS
Overall length
OV8ra1l width
Overall height
Wheelbase
Tread
Front
Reaf
Seat height
Foot peg height
Ground clearance
Dry weight
FRAME
Type
Rim size
Front
Rear
Front tire size/pressure
Rear tire size/pressure
Front brake
Rear brake
Fuel capacity
Fuel reserve capacity
Caster angle
Trail length
Camber angle
Toe-in
ENGINE Type
Cylinder arrangement
Bore x stroke
Displacement
Compression ratio
Valve train
Maximum horse power
M aximum torque
Oil capacity
Cylinder compression
lubrication system
Intake valve OPENS
CLOSES
Exhaust valve OPENS
CLOSES
Valve clearance Intake
(Cold)
Exhaust
Idle speed
CARBURETOR Identification marklType
Venturi diameter
Main jet No.
Slow jet No.
Pilot screw opening
Jet needle setting
Float level
GENERAL INFORMATION
Specifications
1,305
mm
(51 .4
in)
795 mm (31.3 in)
795
mm
(31.3
in)
895 mm (33.2 in)
615
mm
124.2
in)
610
mm
(24.1
in)
570 mm (22 .4
in)
210 mm (8 .3 in )
85 mm (3.3 in)
'86 :
85 kg 1187 Ib)
After '86:
86 .5 kg ( 190 Ib)
Backbone (Pressed)
5 spw x 70T
5 spw
x
70T
16 x 8.00-7/2.2 psi (0.15 kglcm 2 , 15 kPa)
16 x 8 .00-7/ 2.2 psi (0.15 kg /cm 2 , 15 kPa )
Mechanical leading-trailing, drum
Mechanical leading-trailing, drum
3.8 lit 11.00 US gal, 0.84 Imp gal)
0.9 lit 10.24 US gal, 0.20 Imp gal)
5°
22.6 mm (0.89 inl
0°
5::1: 10 mm (0.2::1: 0.4 in)
Gasoline, air-cooled 4 -stroke
Single cylinder,
75 0 inclined from vertical
47 .0 x 41.4 mm /1 .85 x 1 .63 in)
72 cc 14.4 cu in)
7.5 : 1
Overhead camshaft chain driven
3 . 75 BHP/ 7 ,000 rpm
0.4 7 kg-m/ 3 ,OOO rpm 13.4 ft-lb/ 3,OOO rpm )
0 .7 lit 10.74 US Qt, 0.62 Imp. Qt ) at draining
1,200
±
150 kPa (12 .0 ± 1.5 kg /cm 2
,
170::1: 21 psi)
Forced pressure and wet sump
00 BTDC
} ,\1 mm
lift
20 0 ABDC
25 0
BBOC
50 BTDC
0 .05 mm (0.002 in)
0 _ 05 mm (0.002 in)
1,700 ± 100 rpm
PB86A/Piston valve
13 mm (0.51
in)
#.2
#38
'86: 1 - 3/8 turns out
After '86: 1 - 1/8 turns out
3rd groove
, 0 .7 mm (0.42 in)
1-3