| Frame numbering |
1949: Prefix J. (? - this may have been the previous Autocycle
Deluxe model)
1950 - 52: Prefix S.
1953: Prefix J1. |
| |
|
| Engine |
Villiers Mk 2F. Capacity 98cc.
47mm x 57mm |
| Gears |
Single speed with clutch. Handlebar lever
has "trigger" to hold clutch out. |
| Frame |
Single downtube with rigid rear. |
| Forks |
Taper tube girder type. Single, central
undamped spring. |
| Tyres |
21" x 2.25" |
| Tyre pressures |
Front 17 lbs.psi. Rear 32 lbs. psi. |
| Wheel rims |
Dunlop WMO 36 hole. Silver painted
(Argenized) |
| Ignition timing |
⅛" before top dead centre. |
| Points gap |
0.015" |
| Plug gap |
0.018" - 0.025" |
| Plug type |
Original spec. Lodge H 14 |
| Carburettor |
Villiers "Junior" Type |
| Jet size |
J8 |
| Needle |
No. 2½ |
| Needle setting |
29 / 32" from tip of needle
to bottom of slide |
| Tank capacity |
1½ gallons approximately. Use of unleaded
fuel will cause no problems |
| Petroil mixture |
16:1 as originally specified. Can be
safely reduced to 20:1 with modern oils. |
| Gearbox capacity |
Remove oil level screw on side of engine
casing and oil filler screw on top of casing. Fill oil through the
filler opening until oil begins to run out through the level plug hole.
The correct level of oil is then assured. Check it regularly. Castrol
"D" SAE 140 |
| Chaincase capacity |
Not applicable as the primary chain runs
within the gearbox. |
| Chains |
Primary chain: 54 pitches
Final drive chain: 114 pitches½" x 0.305" x 0.192" wide (Coventry 112045).
Tension movement max. ⅜" vertical |
| Sprockets |
Engine: (crankshaft) 17 teeth ⅜" pitch.
Gearbox: (final drive) 11 teeth ½" pitch.
Rear wheel sprocket: 48 teeth |
| Brakes |
4" front & rear |
| Bulbs |
Main bulb: 6v - 12 watt S.B.C.
Tail lamp: 4v - 0.3amp M.E.S.
Parking lamp bulb: 4v - 0.3 amp M.E.S.
Parking lamp battery Ever Ready No. 1289 |
