Sunbeam - S7 46-49

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Bike Info

CC:
500
S7 Parts and accessories

Service

2 Stroke Tank - Litres:
N/A
Chain Freeplay mm:
N/A
Coolant:
N/A
Cooling System (litres):
N/A
Engine Oil Grade SAE:
50W
Gearbox Oil grade:
50W
Spark Plugs Gap (mm):
0.50
Transmission oil:
N/A
Transmission oil quantity:
N/A
Valve Adjustment Interval:
2000 Miles
Valve Clearance Cold - Exhaust:
0.018" 0.46mm
Valve Clearance Cold - Inlet:
0.018" 0.46mm

Brakes

Front:
Drum
Rear:
Drum
Brake fluid:
N/A
Front Disc Size:
N/A
Front-Pistons-per-caliper:
N/A
Rear Disc Size:
N/A
Rear-Pistons-per-caliper:
N/A

Electrics

Voltage:
6v
Charging System:
Alternator
Ignition:
Points & Coil
Spark Plugs:
NGK B6ES
 

Engine

Type:
Air Cooled 2 Stroke OHV Inline Twin
Carburation:
Single Amal Pre Monoblock
Compression Ratio:
6.5:1
Displacement:
487 cc
No. of Valves:
4
Starting:
Kick
Valve Train:
SOHC

Transmission

Chain type:
N/A
Clutch Type:
Dry
Gearchange Pattern:
1 Up 3 Down
Gear Ratio 5th:
N/A
Gear Ratio 6th:
N/A
Sprocket front:
N/A
Sprocket rear:
N/A
Transmission:
Manual

Misc.

Number Produced:
2100
Place of Manufacture:
England

Suspension

Front:
Telescopic
Rear:
Plunger