This Arctic Cat designed motor was manufactured by Suzuki and featured a 2V SOHC design with hemispherical combustion chambers. Manual and CVT automatic transmissions were offered. A 650V2 V twin engine option borrowed from the Kawasaki Prairie was also offered starting in 2003. A major redesign of the platform was launched in 2005. With the new redesign came new body work, electronics, rear mounted gas tank and a standard front locking diff, though the chassis in general remained largely unchanged. A new high performance engine platform also debuted in the 650H1. This H1 platform was a direct evolution of the previous suzuki manufactured engines with many parts being interchangeable, but was now manufactured by Arctic Cat in the US. A 700EFI model was also offered which used an engine and transmission combo borrowed from the Suzuki king quad model. This is a 4V dohc design with no relation to the H1 engine platform. This was replaced with the 700H1 which was a higher displacement version of the 650H1 with fuel injection added. A 1000cc H2 V twin engine, was also made available.

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