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Ariel Motorcycles

Ariel 1939 Red Hunter 350cc Brochure

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The Red Hunter 350cc Model NH

ENGINE - 72 x 85 mm. (347 c.c.) O.H.V. Two-port (NH 2) or Single-port (NH 1) optional.
Specially bench-tested and capable of being tuned to speeds exceeding 80 m.p.h. Completely enclosed valve and rocker gear automatically lubricated under pressure. Ground and highly polished ports. 14 mm. sparking plug. Heavily ribbed crankcase. Polished forged steel flywheels. Ball bearings on both sides of mainshaft. Double roller bearing big-end. Special polished alloy steel con-rod.

A medium compression piston is fitted as standard. A high compression piston, giving a ratio of 7.5 to 1 (suitable for 50/50 Petrol/Benzole only) can be fitted to special order, without extra charge.

LUBRICATION - Dry sump system, employing dual plunger pumps and A-gallon capacity separate oil tank. Patent oil purifier incorporated in Flywheels.

CARBURETTER - Large bore, down-draught Amal. Petroflex supply pipe.

GEARBOX - Four-speed. Foot control. Clutch lever enclosed in rubber moulding.

SPEEDOMETER - Smith 80 m.p.h, trip speedometer, tank mounted, gearbox drive, will be fitted at extra (see page 28) unless otherwise ordered. Fork mounted, internal front wheel drive optional.

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 - Two-port or Single-port
Silencers: Large capacity, as illustrated.
Pipes: Upswept with leg guard(s) or low level to special order.

WHEELS - Dunlop tyres 3.25 x 19 Speed Universal rear ; 3.00 x 20 ribbed front. Chromium brake plates. Chromium rims. Red centres.

MUDGUARDS - Robust ribbed section steel guards, as illustrated. Tail of rear guard hinged to facilitate wheel removal.

TANK - All-steel saddle type, with instrument panel. 2 1/2 gallon capacity. Superbly finished Chromium and Red, lined Gold.