Frame numbering |
1960 CSC1-xxx 1961
DSC1-xxx etc.
4-speed models prefix xSC4-xxx |
|
|
Engine |
AMC 15H. Capacity 149cc.
62mm x 55mm |
Gears |
Three speed. Later offered with 4
speed. |
Frame |
Tubular frame with bodywork pressings. |
Forks |
Leading link type using spring in
tension. Damper fitted. |
Tyres |
3.50" x 12" |
Tyre pressures |
Too complicated - buy the book ! |
Wheel rims |
Pressed steel rims bolted to hubs. |
Ignition timing |
3/32" before top dead centre. |
Points gap |
0.018" maximum. |
Plug gap |
0.020" |
Plug type |
Original spec. Lodge HLN |
Carburettor |
Amal type 375. |
Jet size |
No 110 |
Needle |
No. B |
Needle setting |
2nd notch from top |
Tank capacity |
1 5/8 gallons. 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 |
Fill to dipstick level. SAE 30 |
Chaincase capacity |
Fill until oil pours out through level
plug hole. |
Chains |
Primary chain: 60 pitches.
⅜" x ¼" x 0.225"
Final drive chain: 103 pitches. ½" x 0.335" x 0.205" wide. |
Chain tension |
Unladen: ¾" - 1" whip
Laden: ⅜" - ½" whip at tightest point. |
Sprockets |
Engine: (crankshaft) 23 teeth ⅜" pitch.
Gearbox: (final drive) 16 teeth ½" pitch
Rear chain wheel: 50 teeth. |
Brakes |
5" front & rear |
Bulbs: Rectified |
Main bulb: 6v - 24 /24w Pre-focussed.
Tail lamp: 6v - 1.8w (two bulbs)
Stop lamp bulb: 18w S.B.C.
Speedo bulb: 6v - 1.8w
Parking lamp bulb: 6v - 1.8w
Parking lamp battery Ever Ready No. 1289 |
Battery |
Lucas type. MLZ7E. 6 volt. |