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1925 4.99HP Standard


Numbered 2951 to 9441 (approx). Bolt on seat stays with drawback type chainstays for rear wheel adjustment.


700 x 80mm beaded edge interchangeable with black enamelled rims. 2 security bolts. Black spokes with NPB nipples. Rear with separate rear sprocket carrier assembly. (dogged drive).


5” D section, unvalanced, front and rear. Rear with patented hinged number plate and mudguard rear section.


Petrol tank with double gold lined panels fitted between frame rails (flat tank). Single 2" external screw type filler. Brass lever petrol tap. Oil tank mounted on rear frame down tube across the frame with spring loaded filler to offside.


Numbered 28500 to 31800 (approx) - 4 valve 499cc with cast iron open valve cylinder head, parallel inlet valves and parallel exhaust. Forward facing parallel exhaust ports.18mm side plug. Rockers supported on cast support with clamps to rocker spindles. Forward mounted ML Maglita or round ML magneto. Square based cylinder barrel and plain drive side crankcase. Total loss oiling with Best & Lloyd pump mounted on timing cover.


Dummy belt rim front and rear coupled to RH pedal.

Electrics (standard)

4V ML lighting available. Headlamp mounted on tubular supports. Lighting control mounted on top frame rail. 6V lighting set provided for export models.


4 speed foot mounted gearbox with hand change on RHS of tank (open gate). Gearbox with external kickstarter stop and double helical gears. Steel primary chain cover and rear chainguard.


Stub fitting Senspray with Senspray 2 lever control

Exhaust system

Twin 1 1/2” nickel plated short down pipes into horizontal steel expansion chamber mounted in front of the crankcase. Tail pipe to rear wheel.

Standard Fittings

Rear carrier. Non adjustable 7/8" handlebars type 110 with folded type inverted levers. Rear stand. Front stand. Leather fronted tool box strapped to rear carrier on nearside. ML battery carrier (where fitted) mounted on offside of rear carrier. Leather topped pan type saddle with springs to mudguard bridge. Closed ended ‘D’ section forks. 17" tyre pump. Footboards.


Footrests (no extra charge).

© Colin Chapple


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©  Colin Chapple