Ad
related to: sportster 1200 performance improvement
Search results
Results from the WOW.Com Content Network
The Harley-Davidson Sportster is a line of motorcycles ... 2000 made in 77, 1200 in 78, and 9 in ... 1998 XL1200S gets dual spark plug heads and high performance cams ...
Conversions from 883 cc to 1,200 cc are relatively inexpensive and commonplace, [3] and cheaper than the price premium to go from an 883 to 1,200 engine on a new bike. [4] Carburetors were standard on Sportster engines until 2007, when they were replaced by the Delphi Electronic Sequential-Port Fuel Injection (ESPFI) system.
A Suzuki GSX-R1000 at a drag strip – a 2006 model once recorded a 0 to 60 mph time of 2.35 seconds. This is a list of street legal production motorcycles ranked by acceleration from a standing start, limited to 0 to 60 mph times of under 3.5 seconds, and 1 ⁄ 4-mile times of under 12 seconds.
However, in 1974, the engine started to show many more problems. With the United States involved in the 1973 oil crisis, gasoline had a much lower octane and consistency that severely hurt the engine's performance. Engine knock became a large problem; causing overheating that led to blown gaskets and damaged head bolts. [3]
The ironhead was a Harley-Davidson motorcycle engine, so named because of the composition of the cylinder heads (Iron instead of Aluminium).The engine is a two-cylinder, two valves per cylinder, pushrod V-twin.
The XR-1000 used XR-750 heads, but kept the Sportster engine, frame and other equipment. [10] Costing nearly twice the price of a base model Sportster XL, the XR-1000 sold poorly and many performance enthusiasts simply bought an XL and upgraded the heads, carburetors and exhaust themselves at significantly less total cost. [ 10 ]
The Laverda 1200 is a 1,116 cc (68.1 cu in) air cooled DOHC triple motorcycle produced by the Italian manufacturer Laverda between 1977 and 1982. The model was developed from the Laverda 1000 . Austrian importer Werner Sulzbacher had had some success in production and endurance racing with triples over-bored to 1,172 cc (71.5 cu in) and 1,116 ...
Performance is a measure of the results achieved. Performance efficiency is the ratio between effort expended and results achieved. The difference between current performance and the theoretical performance limit is the performance improvement zone. Another way to think of performance improvement is to see it as improvement in four potential areas:
Ad
related to: sportster 1200 performance improvement