| Frame numbering |
1965 Prefix HM15 - xxx.
1966 Prefix IM15 - xxx etc |
| |
|
| Engine |
AMC 15T. Capacity 150cc.
55mm x 62mm |
| Gears |
Three speed |
| Frame |
Single down tube frame with
swinging arm rear. The same as the L20 Captain. |
| Forks |
Lightweight telescopic |
| 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 |
| Brakes |
5" 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 |
