Benelli TRK 502 Service Station Manual

5 - 63
C
A
OIL PUMP REMOVAL
LUBRICATION SYSTEM
B
C
Remove:
• the screws (9*)
• the pump cover (6*)
• outer rotor (10*)
• inner rotor (11*)
• roller (8*)
• oil pump shaft (7*)
Check:
• the pump body (13*) Fig. D
If there are any lines/damage/wear, replace.
• The pump pinion (5*)
If there is any damage or wear to the gears, replace.
Measure:
• the tolerance between the inner rotor (11*) and the outer
rotor (10*) ”C”. Fig. E and Fig. C (A)
• the tolerance between the outer rotor (11*) and the oil pump
housing (6*) ”E”. Fig. E and Fig. C (B)
• the fl atness of both rotors compare to the oil pump housing
(6*) “C” Fig. C.
Clearance Tolerance
between the inner rotor
and the outer rotor ”A”.
0.15 mm
between the outer rotor
and the oil pump housing
“B”
+0.06, +0.09 mm
Check:
• oil pump operation.
Turn the pump pinion (5*) as shown in Fig. F
If the movement is not smooth, check the inner/outer rotor seat.
If there are any lines/damage, replace the
faulty part/s.
NOTE:_________________________________
This check is carried out after securing the oil pump in the
engine body and inserting the pump pinion (5*) in its seat.
NOTE:_________________________________
Numbers marked (*) are part of the spare parts table in
Chapter 5 “Lubrication circuit”.
D
E
F
13*
5*
C
D
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