Benelli TRK 502 Service Station Manual

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PISTONS
PISTON REMOVAL
The following removal process applies to all pistons.
Remove:
1. Coils and Spark plugs, see the section entitled “Coil and
spark plug removal”.
2. Head timing gear cover, see the chapter entitled “Head
timing gear cover removal”.
3. Head see chapter entitled “Head removal”.
4. Top base, see chapter entitled “Connecting rod remo-
val”.
Remove:
• the outer elastic ring (2) Fig. A
• the piston pin (3) Fig. A
• The piston (4) Fig. A
• the inner elastic ring (2) Fig. A
NOTE:_________________________________
To remove the piston pin, use a “pad*” Fig. B.
NOTE:_________________________________
Never use hammers to remove the pins.
B
1
1
2
2
2
3
3
4
A
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