Gold Star Clubman
Stripped for rcad racing Łction, this model is tuited t:> racing tr.m with straight-through iregaphcne cxhaust. Ready to race. this high speed 500 c.c. single co mes with cxtra sproekets, alloy racing tank with ccntrally mounted racirg oil tank, many other racing fcaturcs. Nc lighting equipnr.cn:.
l or thc road, or stripped for road-racing compelition, this famous model offers maximuin performance for thc motorcyelc sportsman. Engine* arc hand built and dynamometer tested to racing standarcs. A hand-somely finishcd supcr-sports road or racing model.
World's finest JCOc.c. scrarrfeler! Specially set upand geared for scrambles competition, has sc ram bies cams, scrambles gearbox, sports tires, rccing magneto, racing air c.eaner, mary other competition fcatures. No iighting equiprr.cn:.
Engine: 85 X 83 rim. borę and stroke— 499 c.c (30.50 ctibic nctics). Comprcssior ratio 10-1 (can be lowcrcd by additior of plates). Sticngthcncd crankcaso and hcoy daty main bcarings; aluminium alloy cylinder bairel with wear-resisting alloy iror. liner; alurr.iniuir. cylinder head with v&lve seat inserts and stellite .ipped high duty valvcs; fuli race cams: dry sump lubricatior •vith doifelc-gcar pump; oil tank capacity 5 pints and fitted w.n spcciaily ćesignee breather (Catalina ard Como. nodels nave ccntrally mountsd oil tanki; primary chain oilbatfe; gearbos luhricated fey oil; other parts by grease gun Carburetor: Clubman and Comp. model have new racing Amal 3 GP2 l|" typc. Catalina has Monobloc type.
Transmission: Engine sho.f: cls:i drive; front chain x .305" in oilbath; rear chnin |T x i". BSA rrulti-plate dry clutch with oil-rcs.sting fabric surfaces. BSA 4-speed gcarbox with frictiorlcss bcarings; positive stop foot change Gcar ratios in top gear: Catalina. 7.26: Clubman. 4.96. Comp. model top gear ratio 4.92 - 1. Two extra rear wheel sprockets sjpplied with Comp. model.
Ignition and Ughting: Lucas Magdyno
lighting set cn Clubman. Sports typc hcadlamp mounting. MO m.p.h. speedo-meter and tachomctcr moimted on twin mount on Clubman only. Catalina has racirg magneto, no lighting ecjuipment. Comp. model has racing magneto, 8,000 r.p.m. tachomctcr.
Fuel capacity: 3 galion or 4 galion op.ional (as available at time of order). Ouick-action racing type filier cap anć venl. Catalina suppl ed with 3 galion tank orły. Comp rrodcl nas 2 galion alloy tank.
Tires: Dmlop ribbcd 3.25—19 front; Universal 4.00 19 rear. Catalina has Dunlop Sports tires. Comp. modę'.: Trials U:iiversal 3.CO 19 front, 3.50—19 rear.
Brakes: Road model: 8' T.T ventiUtcd front, 7" ventilaied rear. Catalina has ribbcd 8" front and 7" rear brakes. Ccmp. model has Catalina typc brakes.
Suspensicn: Front stispcnsior by BSA teles-ccpic forks with automatic hydra tlić damping: rear suspension by totalły cncloscd hydraalically-camped spring i.nits with swinging arna. Chrome covcrs and rubber dust sleeves on front ferk.
Kra me: Tubtlar Steel framc of all-welded constructon; center stand; jiffy stand; stcctin? df.npcr: BSA new “Tw n-Sob" ćualseat. Catalina has competition sacdlc. British scrambles handlebars. Comp. model has racing saddle, fiat handlebars.
Finish: Blue tank with chrome panels, Gold Sta- emblcm; chrome fer.ders; nan> other parts finished in heavy chrome. Comp. model nas alloy tank, chrome fenders.
General dinrertsiens: Wlieelbase 56v; ovcr-all Iength 85"; weighl: Catalina 350 Ibs., Road Racer 3Ś0 lfcs.; Comp. model 350 lbs.
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