Frame numbering |
1962 Prefix EM15 - xxx.
1963 Prefix FM15 - xxx etc |
|
|
Engine |
AMC 15T. Capacity 150cc.
55mm x 62mm |
Gears |
Three speed |
Frame |
Heavy duty top tube spine frame with
swinging arm rear.. |
Forks |
Lightweight telescopic |
Fork oil capacity |
82.5cc per leg. SAE 20 |
Tyres |
3.00" x 18" |
Tyre pressures |
|
Wheel rims |
Dunlop WM1 36 hole. Silver painted
(Argenized) |
Ignition timing |
3/32" before top dead centre. |
Points gap |
0.018" max |
Plug gap |
0.020" |
Plug type |
Original spec. Lodge HLN |
Carburettor |
Amal Type 375 / 37 |
Jet size |
No. 110 |
Needle |
No. B |
Needle setting |
2nd notch from top |
Tank capacity |
2¼ gallons approximately. Use of unleaded
fuel will cause no problems |
Petroil mixture |
20:1 as originally specified. Can be
safely reduced to 24:1 with modern oils. |
Gearbox capacity |
The gearbox has a dipstick. The correct
level of oil is then assured. Check it regularly. SAE
30 |
Chaincase capacity |
Fill to level plug. |
Chains |
Primary chain: 58 pitches. ⅜"
x ¼" x 0.225"
Final drive chain: ½" x 0.335" x 0.205" wide |
Sprockets |
Engine: (crankshaft) 18 teeth ⅜" pitch.
Gearbox (final drive) 16 teeth ½" pitch
Rear wheel sprocket: 46 teeth |
Brakes |
4" front & 5" rear |
Bulbs |
Main bulb: 6v - 24 / 24w twin
filament pre-focus
Tail lamp: (twin bulb) 6v - 1.8w
Parking lamp bulb: 2.5v - 0.2amp
Speedo: 6v - 1.8w |