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Yamaha XJ600

The XJ600S Diversion/Seca II

The XJ600S is known as the Diversion in most parts of the world, and as Seca II in the North American and Australian markets. The bike has a small top fairing, although a lower fairing is available as an accessory. The XJ600S is a descendant of the earlier Yamaha XJ600 models that were manufactured 1984-1991. The bike is fitted with a 598cc, air-cooled 8-valve inline-four engine giving 61 hp (45kW) / 55 Nm output. The engine was tuned from the original XJ600 model towards improved low- and midrange power, sacrificing some of the peak power in the process.

The 600cc Diversion models were manufactured from 1992 to 2003. The US Seca IIs were manufactured from 1992 to 1998. As the Diversion/Seca II design is based on an earlier well-matured bike model, changes made to the bike during these years were rather subtle, mostly concerning improvements in fairing, a second front brake disc and small oil cooler appearing in 1998 model plus improvements in carburetors.

1996 XJ600S

The bike is considered to be an affordable entry-level street bike that can give plenty of fun for its price. Despite its sporty looks, the Diversion features a more standard riding position than most 600cc sport bikes, making it an excellent commuter bike as well. Although basically having a design from the 1980s, it remained in production for quite a long time, perhaps due to its low price and all-round affordability including modest fuel consumption.

The XJ600N

The XJ600N is almost identical to the XJ600S, except that it is a naked bike. The dashboard is different from the XJ600S, as it turns with the handlebar. This model was not sold in North America.

Police Edition Diversion

The Yamaha Diversion has been used as a police motorcycle by many different police forces all over the world. These models are custom built by Yamaha to specifications ordered by the individual police department. Generally the XJ900S is chosen for police use, but the XJ600S has also been used by some police forces. Police Spec Diversions are commonly referred to as XJ900P (P for Police), although Yamaha refers to Diversion Police Motorcycles by their model designation (XJ900S or XJ600S) as police bikes are not a separate model.