AJS 1927 H10 500cc 1 cyl ohv



AJS  1927    “4.98 HP  Overhead Valve  Model H 10   498 cc OHV single  frame # 6056 engine#  H89860
The four Stevens brothers had been in motorcycle manufacturing since the final years of the 19th century, but only in 1911 their first complete “AJS” motorcycle, a 298 cc two speeder, was marketed.  For the 1912 season their first V- twin, the model D, was brought out.  
In the 1914 Junior TT a magnificent first and second place was scored.  
From 1925 on prefixes were used to the numbering system: E=1925, G=1926, H=1927 K= 1928.  
The 500cc OHV model  was introduced for the 1925 TT races; it made a big impression by making the fastest lap in history ( till then that is) at a speed of  68.97 mph. 
It was first catalogued for the 1926 season as the Model G 8. 
1927 was the last year  of the “goalpost” setup  to secure the cylinder & head to the crankcase. 
New features for the year were among others  a  roller bearing supported crankshaft and a new Pilgrim mechanical oil pump with sight feed.
For 1927 eight models were catalogued, ranging from a 350 cc side valve to a 799 cc V- twin. 
The H10 was  the fastest pushrod ohv in the range, it was specially tuned and weighs only 250 lbs. 
Bore and stroke dimensions  are  84×90 mm, carburettor is racing type Binks   with twist grip control.
This unrestored  machine comes in fantastic authentic condition  and is fitted with the optional 3 ½ gallon TT type tank.