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THE MODERN MOTORCYC L E

General c^peci

⁷ FOR ALL m'0DELS

ficalion

FRAME—Cradle type. 8ullt ©f Aero nuality lube*. Ali tolnu brated. giving the greatcit pouible itrcngth and toriional itiffncil. Special logi are provlded for ildecar attachment.

FORKS—Steel uper tubę g.rden with mauive bridgei gi*ing greac rlgldlty for i©lo or lidccar ute. Large central comprenlon ipring and hand-controlled frlctlon damper of lw(« arca.

STEERINC DAMPER—Serrated control knob whlch will my at any deiired degree of adjusimcnt. Four frlctlon tu (facet.

HANDLEBAR—Patent rubber Iniulated mouMlng. Adjutuble. Sporu pattern _tript.

WHEELS—Immentcly ttrong. with butted tpoket. Hubi mounted on luje diameter uper roi ter bearingi. Rcar chaln iprocket deuchaWe. Inttantly deuchable rear wheel can be fitted to any model at an extra charge. (Sundard on model 4G.)

BRAKES—Both braku 7 In. diameier internal expandlng. Mlllenitc drumt. Extra v»idc thoei w>th fulerum ad|uttment for rcar brake and telf centralulng om bearlng on front brake. Smooth and powcrful In operatlon. with long wearlng (juatltlei.

STANDS—Forgcd tteel girder " tpring-up " rear. and ttrong tubular front. L.ftlng handle on rear mudguard.

FOOTRESTS—Adjuttable over wlde rangę. Specal lugt are provided on Chain myl for plllion footrctti.

CONTROLS—Twiit grip throttle control. Hand-controlled clutch. Ali other controh adjuitable to uiit IndUidoil reęuiremenu.

SAODLE—Aero eLaitiC toft top. Adjutuble

INSTRUMENT PANEL—Rubber imulated tank mountlng. The panel Incorporaiei the car type oll preuure gaugc and the ąulck releaic cam-operated filier cap. Prońtlon ii alio madę for gearbox-drWcn ipeedometer and clock (ice Extrat) The panel llght. whlch lllumlrutci all initrument*. li detachabfe for uie at an Impectlon lamp.

ICNITION AND LICHTINC—Lucat 6-volt Magdyno e^ulpment with large 8 In. head lamp. handlebar-controlled dimmer. (all llght and compeniated voltage control. The battery It mounted on a strong ueel platform under (h« laddle. li catlly accctiible and li entirely free from vlbration

HORN—Electric mounted on tpeclal bracket In protecied poiltion In front of the engine.

EOUIPMENT— large all-itecl tool box with central terew fattening and water excluding rubber beadłng. Complcte kit of toolt. greate gun and tyre inlłator.

✓

FINISH—Thrcc coatt of finett black enamel on cotletitcd (antl-rutt) bate. All bright paru hcavlly chromlum plated. Tankt are luperbly f.nlthed according to tpeclflcatlon. The " ARIEL " permanent enamel name badget on the unk and on the rcar mudguard. giro the whole mKhlne an alr of great dlttinctlon.

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ENGINE—6Sx7S mm. (997 CC.). Four Cyllnden catt en bloc In Kjuarc formation. Dctachabie cylinder head with Intcgral radlal Induction manifold and dctachabie exhautt manifoldt. Totally cncloted ©terhead val»ei operated by thort puth rodt. Camthaft and Magdyno driren by auto-

chain.

lically teniloned roller chaln. The twin crankihafu are mounted on tubitaniial bearingi and pled by hardened and ground geari immencd In oll In a teparatc compartment adjacent to the crankcate. Both crankihafu are lubttant.al nickel-tteel drop forgingt. carrying central flywhcelt. bobwelghted and accurately balanced. Light rigld con-rodt with tplit lincd big endi.

LUBRICATION— Dry lump lyitem In con|unctlon with a teparatc oll tank holding J galion. Double plungcr pump. one of which forcei lubricatlon throogh all engine bearingi at a nominał are of 60 Ibi. per iquare inch. The vaWe gear ii lubricated by preuure. re^ulring no attention.

he bottom of the crankcate by granty through a

mat

coui

preuur The ica

itar ihaped'filier baćk to the oil tank. The oil tank li provlded with a large gauie on the delivery nd a teparatc large capacity vent.

icavenglr.g pump returm oil whkh draint to the iha| ildc anc

CARBURETTER—Fully automatk.

IGNITION—Magdyno with telf conuined geardriven dlttributor. 14 mm. tparklng pługi, Cut-out twitch In Initrument panel.

GEARBOX—Four-ipeed. Toot control. Clutch lerer encloied In rubber mouldlng. TRANSMISSION—Engine lhaft 3-cam ihock abiorber. Pollthed aluminium ołlbath chaln caie and Ariel ouuldc clutch of large dlmeniloni. Rcar chain fully procected and automatlcally lubricated. EXHAUST SYSTEM—Two-port. Large and efficient illencen.

WHEELS— Duntop Uniwenal Tyrei. f40x 18 Rear; 3.2Sx 19 Front. Chromlum rlmi. Red centret (Black or Ariel Green centrei optlonal). Chromlum brake plates. Dctachabie rear wheel.

MUDGUARDS—Robutt rlbbed tectlon tteel guardi. fully valanccd. Tali of rcar guard hlnged to facilitate wheel remoral.

PROP STAND—Fitted to o^tlde of machinę In add.tłon to two normal rnndt.

TANK—All tteel laddle type with Inttrumcnt panel. 3i galion capacity. Superbly fmlihed In Chromlum and Red. Ilned Gofd. (Chromlum and black or Ariel Green opttonaJ).

THE WORLDS FINEST COMPETITION MACHINĘ

500cc RED HUNTER

in competiiion ■form

All Slngle-port Red Hunteu are availab!e In Competitlon form. They are Identical In cvery retpcct to the Sundard Red Huntera except for cęulpment whlch li at foliowi

Crankcate Underihleld.

3.00x21 Front Competitlon Tyre.

4.00x19 Rear Competitlon Tyre.

Nall Catchcrt. fabrk Clutch.

Dctachabie Rcar Wheel.

Speclal High Ckarance Mudguardi.

Aluminium Chain Guard inttead of Oil Baih.

2i Initead of 3ł galion Tank on S00 c.c. Model. B/T.H. Magneto.

S00 C.C. 350 C.C. 250 c.c.

Pflca without llghting ICC ind Horn.

...... VH.I.......

...... NH.I.......

...    ... LH.I.    •••

If a Lucas Magdyno Llghtlng $«t and Electric Horn arc requlrcd Instcad of the 8.T.H. Magneto, the abovc prices arc Increased by If Lucas Battery Set Is rcqulrcd the abovc prlccs are Increased by All prica irc tubjcct to ilccntlon without notlcc.

FAMOUS POWER UNIT

of łhe

mmk

SOUARE

FOUR

EXHAUST

MANIFOLD

PUSH RODS ENCLOSED IN COVER.

DISTRIBUTOR.

ROCKER BOX TOTALLY ENCLOSING VALVE GEAR

AERO ALLOY PISTON.

LIGHT ALLOY CON ROD.

HARDENED & GROUND COUPLING GEAR

SPLIT LINEO BIG ENDS

CAMSHAFT.

OIL FILTER.

CRANKSHAF1

A

FLY WHEEL. BOBWEIGHT.

DUAL PLUNGER / _01L PRESSURE PUMP / VALVE.

AUTOMATIC CHAIN TENSIONER.

Ej teurUty of

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