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James Flying Cadet L15a. 150cc. 1959-1962

Homepage 150cc Cadets Flying Cadet L15a Specification
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Frame numbering 1959  BL15A-xxx.  1960  CL15A-xxx etc
   
Engine AMC 15T. Capacity 149cc.  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:
Solo
Pillion

Front 16 lbs.psi.  Rear 20 lbs.psi.
Front 20 lbs.psi.  Rear 28 lbs.psi.
Wheel rims Dunlop WM1 36 hole.  Silver painted (Argenized)
Ignition timing 5/32" before top dead centre.
Points gap 0.018"  maximum
Plug gap 0.020"
Plug type Original spec. Lodge HLN
Carburettor Amal 375 / 37.  Choke size 13/16"
Main jet size No. 110
Needle No. B
Needle setting 2nd notch from the top.
Tank capacity 2¼ 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.  Check it regularly. SAE 50.
Chaincase capacity Fill until oil runs out of the level plug hole.  SAE 50.
Chains Primary chain:  58 pitches.  ⅜" x ¼" x  0.225"
Final drive chain:  118 pitches. ½" x 0.335" x 0.205" wide. 
  
                    
Chain adjustment Unladen: ¾" - 1"  vertical. 
Laden: ⅜" - ½"   at tightest point.
Sprockets Engine: (crankshaft) 18 teeth.  ⅜" pitch.
Gearbox (final drive) 16 teeth ½" pitch.
Brakes 4" front.   5" rear
Bulbs:  Direct. Main bulb:  6v  24 / 24v.  Pre-focussed.
Tail lamp:  6v - 1.8w (two bulbs)
Speedo bulb:  6v - 1.8w
Parking lamp bulb:  2.5v - 0.2amp.
Parking  lamp battery  Ever Ready No. 1289
Bulbs:  Rectified. Main bulb:  6v  24 / 24v.  Pre-focussed.
Tail lamp:  6v - 1.8w
Stop light bulb 6v - 18w
Speedo bulb:  6v - 1.8w
Parking lamp bulb:  6v - 1.8w.
Parking  lamp battery  Ever Ready No. 1289
Battery PUZ5E-10.  6volt.  12 amp-hour.
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