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The KTM Duel-Sport or Adventure line is known for their incredible durability on long distance trips across every type of terrain known to man. With its full fairing body style, windshield, up-right seating position, good suspension travel, and luggage carrying capabilities, the Adventure line is great for both daily commuting and cross-country excursions. From smoothly paved road surfaces to rock climbing, the KTM Adventure will successfully take you there and back again while carrying you and all your luggage. 

KTM 620 Adventure

 

KTM 640 Adventure

Though common over-seas, the KTM Adventure did not hit the US market until 1997 with the 620 LC4 being the first one to be imported. It did not sell well, and with only a few being imported before it was discontinued in 1998, the 620 LC4 is a very rare find. 

In 1999, KTM imported the 640 Adventure. It was considerably more popular than the 620 which led to KTM selling them until 2007 when it was replaced by the larger 990 model.

KTM 950 Adventure

KTM 990 Adventure

Many KTM engines are designated LC4 which means liquid-cooled, 4-stroke engine. The 950 and 990 Adventure models however have a specially designed LC8 engine. KTM took a pair of cylinders from their LC4 motors and combined them onto a specially modified crankcase to create the new LC8 motor. It put out some really nice horse power with the 2003 model claiming 102 BHP at 8,000 RPM. 

KTM Adventure Specs

Tires, Battery, and Spark Plug

KTM 620 Adventure Specs

1997-1998 620 LC4

Front Tires 80x100x21

Rear Tires 110x90x18

Battery YTX9-BS

Spark Plug D8EA

KTM 640 Adventure Specs

1999-2002 640 Adventure

Front Tires 80x100x21

Rear Tires 140x80x18

Battery YTX9-BS

Spark Plug DR8EA (1999-2000)

Spark Plug DPR8EA-9 (2001-2002)

KTM 640 Adventure Specs

2003-2007 640 Adventure

Front Tires 80x100x21

Rear Tires 140x80x18

Battery YTZ10S

Spark Plug DPR8EA-9 (2003-2004)

Spark Plug DCPR8E (2005-2007)

KTM 660 Adventure Specs

2000-2003 660 LC4 Rallye

Front Tires 90x90x21

Rear Tires 140x80x18

Battery YTX9-BS

Spark Plug DR9EA

KTM 950 Adventure Specs

2003-2006 950 Adventure

Front Tires 90x90x21

Rear Tires 150x70x18

Battery YTZ14S

Spark Plug CR8EK

KTM 990 Adventure

2007-2012 990 Adventure

Front Tires 90x90x21

Rear Tires 150x70x18

Battery YTZ14S

Spark Plug DCPR8E

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