| Frame numbering |
1956 56L15-xxx. 1957
57L15-xxx. 1958 AL15-xxx. 1959 BL15-xxx |
| |
|
| Engine |
Villiers Mk 30C. Capacity 147cc.
62mm x 55mm |
| Gears |
Three speed. |
| Frame |
Tubular front and top rails.
Pressed & fabricated central tub and swinging-arm. |
| Forks |
Lightweight telescopic |
| Fork oil capacity |
82.5cc per leg. SAE 20 |
| Tyres |
3.00" x 18" |
| Tyre pressures |
Front 20 lbs.psi. Rear 28lb. psi. |
| Wheel rims |
Dunlop WM1 36 hole. Silver painted
(Argenized) |
| Ignition timing |
5/32" before top dead centre. |
| Points gap |
0.015" |
| Plug gap |
0.018" - 0.025" |
| Plug type |
Original spec. Lodge H 14 |
| Carburettor |
Villiers S.19. Single lever |
| Jet size |
No.80 |
| Needle |
No. 3½ |
| Needle setting |
2.015" out |
| 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 |
½ pint. Fill to dipstick level mark. Check it regularly. Castrol
"D" SAE 140 |
| Chaincase capacity |
¼ pint. Fill to oil level plug. |
| Chains |
Primary chain: 64 pitches. ⅜"
x ¼" x 0.225"
Final drive chain: ½" x 0.335" x 0.205" wide. |
| Chain tension |
Unladen: ¾" - 1" whip.
Laden: ⅜" - ½" whip. |
| Sprockets |
Engine: (crankshaft) 23 teeth ⅜" pitch.
Gearbox (final drive) 116 teeth ½" pitch |
| Brakes |
4" front. 5" rear. |
| Bulbs: Direct |
Main bulb: 6v - 30/24w. Pre-focussed.
Tail lamp: 6v - 3w B.C.
Speedo bulb: 6v - 0.17amp M.B.C.
Parking lamp bulb: 3.5v - 0.15amp M.B.C.
Parking lamp battery Ever Ready No. 1289 |
| Bulbs: Rectified |
Main bulb: 6v - 24/24w. Pre-focussed.
Tail lamp: 6v - 3w (two bulbs)
Stop light bulb: 6v - 18w (if fitted)
Speedo bulb: 6v - 0.17amp M.B.C.
Parking lamp bulb: 6v - 3w
Parking lamp battery Ever Ready No. 1289 |
| Battery |
Lucas type: PUZ5E-10. 6 volt.
12 amp-hour. |
