Benelli TRK 502 Service Station Manual

6 - 6
Remove:
• Right-side bodywork, see the section in Chapter 4 entitled
“front bodywork”.
• screws (3) Fig. A
• thermostat (4) Fig. B
NOTE:_________________________________
Drain out the coolant before proceeding with these opera-
tions.
Check:
• The by-pass port (A)
If clogged, replace.
• Thermostat (4)
If this does not open at 75° ~ 90° C (167~ 194° F), replace, Fig.
B.
Thermostat check
1. Immerse the thermostat in a container fi lled with water Fig.
D.
2. Slowly heat the water.
3. Immerse a thermometer in the water.
4. Mix the water again, keeping an eye on the thermostat and
on the temperature shown on the thermometer.
5. When the water reaches a temperature of 75°C, the thermo-
stat valve will start to open, reaching a temperature of 90°C.
The thermostat valve reaches an opening of 7 mm.
Key to Fig. D:
1. Thermometer
2. Container
3. Water
4. Thermostat
Thermostat opening/closure chart Fig. E
A. Fully closed
B. Fully open
IMPORTANT NOTICE
If there are any doubts about the precision of the thermostat, it
should be replaced. A faulty thermostat can cause notable over-
heating or overcooling.
A
3
C
A
4
D
1
3
4
2
A
B
75°C (167°F) 90°C (194°F)
temperatura
0
7
apertura (mm, in)
E
THERMOSTAT
THERMOSTAT REMOVAL
4
B
temperature
opening (mm, in)
COPY - Moto GB - Grant Martland - grantmartland@motogb.co.uk

Benelli TRK 502 Specifications

General

Displacement	500 cc
Transmission	6-speed
Fuel Tank Capacity	20 liters
Seat Height	800 mm
Wet Weight	235 kg
Bore x Stroke	69 mm x 66.8 mm
Compression Ratio	11.5:1
Clutch	Wet multi-plate
Frame	Steel trellis
Wheelbase	1505 mm
Ground Clearance	190 mm
Max Power	47.6 hp (35 kW) @ 8500 rpm
Max Torque	46 Nm @ 6000 rpm
Front Suspension	50 mm upside-down fork
Front Brake	Double floating discs, 320mm, 4-piston calipers
Rear Brake	Single 260 mm disc
Fuel System	Electronic Fuel Injection (EFI)
ABS	Dual-channel ABS
Front Tire	120/70 R17
Rear Tire	160/60 R17
Engine Type	Liquid-cooled, four-stroke, parallel twin cylinder, DOHC, 4 valves per cylinder