Indian 1941 model 441 1265 cc four cyl ioe frame# 441597 engine # DDA597
Early in 1927 Indian bought the entire assets of the famous ACE motorcycle corporation.
Indian proceeded to manufacture the Indian –ACE until 1928 when the Indian Four took its place.
The 1265 cc engine has overhead inlet valves and side exhaust valves and delivered in the late twenties form about 30 HP.
About ten years later this had grown to about 40 HP and tuned examples were known to put out some 50 HP! But with output also the weight grew: a 1929 4 would weigh about 455 lb, a 1941 model weighs 568 lb.
New for the model year 1940 were plunger rear springing and mudguard valances .
This four is a well-kept machine .