The information below is specific to the James - Cadet 50-64, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.Back.
1949 - : Prefix D 1950 - 51: Prefix C. 1952: Prefix M. Engine Villiers Mk 10D. Capacity 122cc. 50mm x 62mm Gears Three speed with foot change. Frame Single downtube with rigid rear. Forks 1949 Taper tube girder type. Single, central undamped spring. 1950 Dunlop type forks. 1951 Model 5 forks 1952 Model 5 forks for Standard & Model 6 forks for Deluxe. Tyres 1949: 3.00" x 19" 1950 on: Standard 2.50" x 19". Deluxe 3.00" x 19" Tyre pressures Front 20 lbs.psi. Rear 25lb. psi. Wheel rims Dunlop WM1 36 hole Ignition timing 5/32" before top dead centre. Points gap 0.015" Plug gap 0.018" - 0.025" Plug type Original spec. Lodge H14 Carburettor Villiers Type 3 / 4 Jet size 0.83" Needle No. 3 Needle setting 2 13/32" from tip of needle to bottom of slide Tank capacity 2 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 Fill to drain plug level. SAE 140 Chains Primary chain: 64 pitches (Renold 110038) Final drive chain: "? x 108 links (Renold 110044) Sprockets Engine: (crankshaft) 18 teeth ق…œ" pitch. Gearbox (final drive) 15 teeth " pitch Brakes 5" front & rear Bulbs: Rectified Main bulb: 6v - 24 / 24w Tail lamp: 6v - 3w Stop light (where fitted): 6v - 18w Parking lamp bulb: 6v - 3w Parking lamp battery Ever Ready No. 1289 Bulbs: Direct Main bulb: 6v - 30 / 30w Tail lamp: 6v - 3w Parking lamp bulb: 3.5v - 0.15amp Speedo bulb: 6v - 0.17amp Parking lamp battery Ever Ready No. 1289