Factory OEM LC8 V-twin engine service manual for the KTM 950 Adventure and 990 Super Duke, model years 2003 through 2005, including full technical specifications with engine displacement and chassis data.
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This is the KTM factory repair manual (Art. No. 3.206.025-E, Edition 01/2005), covering the 950 Adventure and 990 Super Duke LC8 V-twin engine. Unlike the shorter engine-only excerpt in our 2003-2007 Adventure/Super Duke/Supermoto/Super Enduro listing, this 273-page edition includes the full Technical Specifications chapter with complete engine and chassis data.
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| Engine (950 LC8) | 942 cm3, liquid-cooled 2-cylinder 4-stroke, 75 degree V arrangement |
|---|---|
| Engine (990 Super Duke) | 999.9 cm3, liquid-cooled 2-cylinder 4-stroke, 75 degree V arrangement |
| Bore/Stroke | 950: 100/60 mm / 990: 101/62.4 mm |
| Compression Ratio | 950: 11.5:1 / 990: 11.8:1 |
| Transmission | 6-speed, claw shifted |
| Carburetion (950) | CVRD 43 (front/rear jetting differs) |
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