1962/2017 Match­less G50 496cc

Classic Bike (UK) - - News -

Type: Air-cooled sohc sin­gle Ca­pac­ity: 496cc Bore x stroke: 90 x 78mm Com­pres­sion ra­tio: 11:1 (vari­able) Valve sizes: 2in (51mm) in­let, 15 /8in (41mm) ex­haust Valve clear­ances: 0.08in in­let, 0.012in ex­haust Valve tim­ing*: In­let opens 55° BTDC, closes 68° ABDC; ex­haust opens 78° BBDC, closes 45° ATDC Car­bu­ra­tion: 1½in Amal Grand Prix Ig­ni­tion: elec­tronic mag­neto Spark tim­ing*: 34° be­fore TDC Pri­mary drive: chain Lubri­ca­tion: dry sump Fi­nal drive: chain Weight: 37.5kg (82½lb) Power out­put: 51bhp at 7200rpm *En­gine builders may not use these fac­tory rec­om­mended fig­ures

TOP:THE sin­gle camshaft runs on ball bear­ings

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