From the estate of the late David Atkinson 1936 Excelsior 350cc Manxman Racing Motorcycle Registration no. KXS 749 Frame no. MRF160 Engine no. CXR263

manxman racing keys 350cc simpler design built enjoyed developments restoration racer purchased notable late lightweight basil engine race david competitor circa factory owner 1936 frame proved versions shorter-stroke 1937 close estate atkinson excelsior motorcycle fast 1933 gleave's marvel disappointment international manx winning times trot october collection sale mrf160 offered marketed registration cxr263 hands excelsior's complex mechanical 1934 season tyseley firm opted road considerable success grand prix denis parkinson 1938 included switch adoption applied aluminium-alloy cylinder head right-hand acquired well-known brighton speed trials 1990 production left auctioned bonhams stafford 2018 changed machine two-valve 500cc sports exhaust older terms kept document single-overhead-camshaft capacities roadster port apparently advised storage re-commissioning required