Benelli TRK 502 Service Station Manual

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ENGINE SPECIFICATIONS
VALVES, VALVE SEATS, VALVE GUIDES STANDARD
Intake valve clearance (cold)
0.13 ~ 0.19 mm
Exhaust valve clearance (cold)
0.19 ~ 0.25 mm
VALVE SIZE
A
Head ”A” diameter
Intake Ø 25 mm
Exhaust Ø 22 mm
B
Contact ”B” specifi c length
Intake 1.9 ~ 2.1 mm
Exhaust 1.75 ~ 1.95 mm
C
Seat ”C” width
Intake 1 ~ 1.1 mm
Exhaust 1 ~ 1.1 mm
B
Contact surface length
Intake 1.9 ~ 2.1 mm
Exhaust 1.75 ~ 1.95 mm
Valve stem diameter
Intake 3.965 ~ 3.98 mm
Exhaust 3.965 ~ 3.98 mm
Clearance between valve stem and valve guide Intake 0.05 ~ 0.075 mm
Exhaust 0.04 ~ 0.065 mm
Valve stem eccentricity
0.05 mm
VALVE SPRING STANDARD
Intake/exhaust free length
Outer
38.8 mm
Inner 41.6 mm
Intake 1.2 mm
Exhaust 1.2 mm
CYLINDERS STANDARD
Cylinder layout perpendicular line
Bore 69.00-69.01mm (limit 69.02mm)
Compression ratio 11.5:1
Max. ovalization 0.008
0.006
TECHNICAL DATA
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