ENGINE - 86.4x 102 mm. (598 c.c.). Detachable high power cylinder head. Totally enclosed valve springs. Ball bearings on both sides of mainshaft. Double roller bearing big-end. High tensile steel connecting rod. Aluminium alloy piston. 5 to I compression.
LUBRICATION - Dry sump system, employing dual plunger pumps and ¾-gallon capacity separate oil tank.
CARBURETTER - Down-draught Amal.
GEARBOX - Four-speed. Foot control.
TRANSMISSION - Engine shaft shock absorber. Polished aluminium oil bath chain case and Ariel outside clutch of large dimensions. Rear chain fully protected and automatically lubricated.
EXHAUST SYSTEM - Large diameter exhaust pipe, with streamlined silencer.
WHEELS - Dunlop tyres. 26x3.25.
MUDGUARDS - Robust ribbed section steel guards, fully valanced. as illustrated. Tail of rear guard hinged to facilitate wheel removal.
TANK - All-steel saddle type, with instrument panel, 3¼-gallon capacity. Superbly finished Chromium and Black, lined Gold (Chromium and Ariel Green optional).
