BSA 1949-58 M Models Parts Book

Plate 5--conti nued GEARBOX " M" Gro up Plate Ref. . Number Numb er. Models. Part No. Descripti on. per set. --- - --- 37 ... M Gr oup 15-4143 Pawl pivot nut 2 I ~ ., ... , ...... 38 M Group 2- 2395 Pawl pivo t locknut 2 :· ~ '. 1 39 M Group 15-4 142 Pawl (bottom ) 1 I , ,' ·I 40 M Group 15-42 53 Gear cont rol link complet e ... 1 '·, . 40 M Group 15-4255 Gear control link adjuste r 1 ' .. I .. .. . . . l ' . 41 . . M Group 24- 563 Gear contr ol link adjuster locknut l 42 M Group 15-4 254 Gear cont rol link yoke l i 43 . . M Group . . 15-42 06 Ratchet lever complete 1 44 M Group . . . 15-4221 Gear cont r ollink pin . . 2· ¡ 't 45 M Group .. 35- 705 Gear control link pin split pin 2 l ¡ r;i I 46 M Group 15-4227 .. Ratchet lever sleeve bush .. l l .•· 47 l\1 Group 65-33 83 Clutch contro llever comp let e I f : ... f . 48 M Group 65- 3360 Clut ch push rod lever 1 :í: • . . ... 49 M Group 65- 3403 Clutch push r od lever adjusting screw complete l 'I o . . t l 11 ... :f': 50 M Group . ·2-452 Clut ch push rod lever ad justi ng scr ew nut I ' ., -1: I 51 M Group 2- 525 Clutc h control lever nut wash er I ¡ I' I j . I', 52 M Group 15-14 85 Clutch contr ol lever nut l I .• .. , ... :·r 53 M Group ~ 35- 702 Clut ch control ·lever split pin l ' . . .. '· ¡,,·, 54 M Group 65- 3361 Operat ing pedal clamp bolt ... 1 . ;_T . 55 M Group 2;__525 Opera ti ng pedal clamp bolt washer 1 ! ·. ·: r~ . ¡ ' · 1 ,; 56 M Group 66~3065 Gear box out er and in ner cov er screw 3 ¡ .r 1: • 57 M Group 29-3250 Operating peda l spindle rubb er 1 ; . · ·ii· .. . " l. . ::,1 58 M Group 65-3417 Gear cha nge operat inglever complete 1 r. ·~,. f. I 1f : 59 1v1 Group 65- 3212 Kickst art ercran k rub ber 1 . ., ... f ,•i'l' 60 l\{ Group 67- 42 Out er cover inspect ioncap wash er 1 ¡ ; ~ 61 M Group 65-3364 Out er cover inspect ion cap ... 1 ì J.; ;¡,., 62 1\1 Gr oup 15-4 179 Ki cksta r tercrank comp lete 1 ' : .. ì , I· 63 M Gr oup 29-3 242 Gearbox out er cover stu d nut 4 ' .:1 J 64 1\1 Group 65- 3062 Gearbox cover and case screw 4 ' I : .• ,I: I . . ·: 65 M Gr oup ·2-25 78 Ki ckst arte rcrank cott erpi n nut 1 t '.: .• j' S6 M Group 15-5 155 r Kickstarter crank cotter pin washer 1 • Ir ' ! ,'' ! . . .. I' · I 57 M Group 2- 2579 Kickst art ercrank cotter pi n 1 1 ',' i )' .I I 68 M Group 66- 3131 Out er cover joint wash er I u ¡ , 1';, I i ·l'· .. ·' 69 M Group 66-3125 Gearb ox outer cover with fixed fittings . l ¡ . '· , ,. ·,¡¡:t 70 M Group. 2- 443 Kic kstarter · crank pin ancho r pin nut l i ; Il I I \'·'I 71 M Group 24- 4258 K ickstar terqua drant bush ... f¡ .:I ' I /. I;, . 72 M Group _. 66- 3058 Kicksta rtercra nk spr ing . . 1 ¡ '· .:,¡ 73 M Group 2- 3718 Kickst arter crank spri ng anc hor pin 1 ~ j,':\ i, ,i:·¡1' 74 M Group 15- 4121 Kickstart erquadr ant... 1 /, I' I, i ., ·\' 75 M Group 66-3 259 Kickst arter ret urn st op rubber 1 [:i ;f:, ~ 76 M Group 67- 3028 Gearbo x inner cover ball jour nal spr ing ring 1 ¡ ., ·.1~1, 77 M Group 24- 4217 Gearbox inner cover ba ll journa l 1 .... • . :.: ' 78 M Group 24-4 236 Gearbox retaining washer (smàll) 1 ! ,q ¡ ' 79 M Group 24'-4237 Gearbox dista nce wash er 1 • ·;,¡ 1 .:1 ,,. •;¡ 80 M Gr oup 65- 3073 Gearbox outer cover st ud .. 1 ¡ 81 M Gr oup 66- 3074 Gearbox dowel 2 , {¡ f ; ;:I 82 M Gr oup 65- 3399 Speedomet er gear bush sealing nut (fit t ed when speedo not '',;,, .. 11· req uir ed) 1 . ,l '· .. ¡)l!f! 1 i 83 .. M Group 65:._3391 Speedomete r driven gear bus h nut I 84 1\1 Group 65- 3392 Speed omet er driven gear bus h scaling nut washer (when speedo l t1 ·, not fitted) . ',,:) 1 l. /,_, : / • /¡,¡r 85 M Group 65- 3390 Speedomete rdri ven gear bush 1 ., ,· :IJ, 86 M Group 65-3377 Speedomet er driv en gear bush (small) 1 ·, .. f /, ri 87 M21, M33 65- 3367 Speedometer driv en gear l. ,, I 87 M20 65- 3402 Speedomet er driven gear 1 ¡l,l 88 M Group 66- 3133 Gearbox layshaft bush . (long). 1 'I'·, I .. / .'·f 89 1\121, M33 66-3132 Gearbox· laysha ft 1 ,/1 ... . . 'I Îo!¡ 89 M20 65-3498 Gearbox layshaft 1 'I ~r 90 M Gr oup 66-3 214 Mainshaft gear bush .. 1 ¡.:¡:¡ ' .. 91 M Gr oup 66- 3209 Gearbox layshaít gear complet e (29T) 1 . !.·1 ' ··,. 1\1 Group · 66- 3211 Gearbox laysh aft gear bush ... l i: .!. I ' . I . . 92 M Group 24-:-4393 Gear box d og clutc h ... 1 • ,•. ï I·:·,·¡ 93 ... M Group ... 66-3 215 Gearbox layshaft gear compl ete (25T) 1 I: r• '.li·¡.; 94 M Group 66-3214 Gearb ox laysh aft gear bush 1 . ,I .. ¡.,!' i 95 M Group 24- 4221 Gear box layshatt gear (17T and 20T) 1 i i¡! 96 M Group 24-422 3 Gearb ox laysh aft bush (short) 1 '• ,: ' .. 1¡ 97 M Group 15-416 5 · Pln ion sleeve complet e 1 ,,. il, .. i: ¡"¡I 98 M Group 66- 3155 P inion sleeve bush 1 r, .. 'I èß:- 3156 I·:, li 98 1\1 Group Pinion sleeve bush (drilled) 1 ¡i 11 li -, I 99 M Group 28-4 3 Gear box dr ain plug 1 ·'l ... . ,. 100 M Group 29- 3304· Gearb ox out er cover stud (long) 2 I · I ... , I 101 M Group 24- 4225 Ge~rb ox oil r etainin gwasher 1 !i,',,~ t- \ i\!; -- :: :,:I ¡:J¡i 24 I ;! I I•:; r .'J1 ··, : : ;¡! . , ; ~ . : .. ~>· ' ·4:. ' I i ;· i· )! f.,