RUST magazine: Rust#7
RUST magazine: We’ve a heartfelt – and revealing – report direct from David Knight on the end of his pro career, and where does he go from here…? We take a long and thorough look at KTM and their mid-capacity adventure bikes, the 640 and the 690, and ask (again) where’s the 690 Adventure? Staying with adventure, Michelin have sprung on us a new rugged adventure tyre – we like the look. And our man in France, Chris Evans, finds life after Dakar is actually rather busy…
RUST magazine: We’ve a heartfelt – and revealing – report direct from David Knight on the end of his pro career, and where does he go from here…? We take a long and thorough look at KTM and their mid-capacity adventure bikes, the 640 and the 690, and ask (again) where’s the 690 Adventure? Staying with adventure, Michelin have sprung on us a new rugged adventure tyre – we like the look. And our man in France, Chris Evans, finds life after Dakar is actually rather busy…
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40 Timeline<br />
venture<br />
res a 49hp 609cc motor based on<br />
d in KTM’s motocross and enduro<br />
20mm front disc (with Brembo<br />
king duties, there’s a high front<br />
litre tank. The spec is impressive<br />
tank and plastics by Acerbis,<br />
P, speedo/trip/computer by<br />
in wheels with Excel rims, there’s<br />
mp guard, alloy swingarm, small<br />
k, and rally-type fairing with twin<br />
guards and hard narrow enduro<br />
so light though, a claimed 158kg,<br />
to 181kg when fully fuelled.<br />
venture<br />
otor is increased to 625cc but<br />
n as the ‘640’. The motor and<br />
es bring an 8kg weight saving.<br />
2000 / 640 Adventure<br />
Swap to USD forks. A Mikuni CV carburettor<br />
replaces the 40mm Dell’Orto to even-out throttle<br />
response, a switch on the CDI allows alternative<br />
engine/fuel mapping to suit low-octane fuel.<br />
2003 / 640 Adventure<br />
Motor is updated to overcome issues with<br />
main bearing failures. Now fitted with what is<br />
known as a ‘Hi-Flow’ head with larger exhaust<br />
valves - there’s also an oil level sight glass on<br />
the crankcases. Clutch now hydraulic by Magura.<br />
Power gain is around 5hp.<br />
2004 / 640 Adventure<br />
New look: the front brake is changed to twin<br />
300mm discs (still Brembo), the fuel tank is<br />
reduced to 25 litres and the seat becomes<br />
more comfortable or, rather, less painful.<br />
2007 / 640 Adventure<br />
Last year of production. KTM 690 launched for ‘08.
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