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James M.L. (Military Lightweight). 125cc. 1945-1948

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Frame numbering Prefix ML - xxx
   
Engine Villiers Mk. 9D Capacity 125cc.  50mm x 62mm
Gears Three speed with hand change on the petrol tank.
Frame Single downtube with rigid rear.
Forks Pressed steel girder type. Single, central undamped spring.
Tyres 2.75" x 19"
Tyre pressures Front 20 lbs.psi.  Rear 25lb. psi.
Wheel rims Dunlop WMO 36 hole.  Silver painted (Argenized)
Ignition timing 5/16" before top dead centre.
Points gap 0.015"
Plug gap  
Plug type 18mm thread size
Carburettor Villiers L/W Type (W.D. bikes: Villiers 3/1)
Jet size No.3
Needle No. 3
Needle setting 2 27/ 64" 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 level plug. SAE 140 .
Chains Primary chain: 58 links
Final drive chain:  " pitch x 105 links
Sprockets Engine: (crankshaft) 19 teeth  ⅜" pitch.(Villiers pt. no. E4007)
Gearbox (final drive) 12 teeth " pitch (Villiers pt. no. D 4781)
Brakes 4" front.  5" rear
Bulbs Main bulb:  6v - 18 / 18 w   or  24/24w
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