New Im­pe­ri­als Time-line

Old Bike Australasia - - NEW IMPERIAL 150 -

1930 14mm spark plugs, first used in TT.

1931 A New Im­pe­rial 500cc OHV V twin was the first Bri­tish mo­tor­cy­cle to put in more than 100 miles in the hour, lap­ping at 102-105. The record was 102.25 miles in the hour, Ginger Woods the rider.

1932 Round footrest rub­bers Twist grip throt­tles on all mod­els Knee grips to tank Steer­ing dampers stan­dard (no steer­ing damper on Model 23) Spring frames in­tro­duced, Model 16 To­tal of 1853 ma­chines pro­duced. Assem­bly line time of 20 min­utes for a Model 23. Model 23 road test showed good han­dling, max­i­mum speed 45-50 mph. Model 23 was un­der 150cc, so only had a road tax of 15 shillings. A few – four Model 24 and four Model 25 – were pro­duced. These were used for tri­als and com­pe­ti­tion. Works rid­ers were un­aware that these ma­chines were not 150cc but 175 and 200cc.

MODEL 23 En­gine: 150cc Unit Mi­nor. Bore x stroke: 55mm x 62.5mm

1934 3,262 to­tal pro­duc­tion. Mod­els 23 (150cc) and Model 30 (250cc) mak­ing up 72% of to­tal.

` 500cc V twin rac­ing ma­chine de­but at IOM TT.

1937 Spring frame model rein­tro­duced at 3 pounds ex­tra.

1938 Pro­duc­tion ceased 13 Oc­to­ber, 1938. New Im­pe­rial was pro­gres­sive and a leader in mo­tor­cy­cling man­u­fac­tur­ing and tech­nol­ogy, but over-stretched their fi­nan­cial re­sources and were closed down due to a bank over­draft be­ing called in on Novem­ber 7th 1938.

PRE-WAR New Im­pe­rial had raced the 250cc Grand Prix Model and won more races than any other man­u­fac­turer ex­cept Nor­ton.

Amal car­bu­ret­tor is non-orig­i­nal.

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