KTM 640 LC4 Adventure

2005 KTM 640 LC4 Adventure

Wherever in the world strange continents, lonely desert expanses or wild jungle trails are explored – the KTM 640 Adventure is the ultimate, single – cylinder travel motorcycle. Directly descended from successful rally racing bikes, it is characterized by its low weight, agile chassis with long suspension travel and a robust LC4 engine.

OIL CIRCUIT


Experience from racing: a second oil injection nozzle now cools the pistons from below too, making the engine even more dependable.

IGNITION

A new ignition program map provides optimized combustion. A low octane program map can be activated for low-octane fuel (up to 80 octane).

VALVE TIMING

A new camshaft with quicker valve timing offers a more spontaneous progression of power and even better performance.

FORK FRONT

A new forks set-up with firmer springs reduces the forks’ plunge when the Brembo twin discs really grab.

GRAPHICS

There’s a new graphic design for all Adventure models in 2005. The KTM letters will be delineated with a silver shadow.

BRAKE REAR

In conjunction with new sintered brake pads, a new Brembo brake disc with round holes guarantees top braking performance and the highest Brembo standard.

INDICATORS

New indicators with a smaller orange glass and a longer operational life.

CHAIN

An X-ring endless chain (without a connecting link) eliminates the risk posed by the weakest link, i.e. the connecting link, which is always subject to the most wear.

ENGINE – Single cylinder, 4-stroke engine

DISPLACEMENT – 625 cc

BORE / STROKE – 101 / 78 mm

POWER OUTPUT – 40 kW / 7000 rpm

MAX. TORQUE – 55 Nm / 5500 rpm

COMPRESSION RATIO – 11.7:1

STARTER – Electric starter and kickstarter

TRANSMISSION – 5-speed, claw shifted

CARBURETOR – Mikuni constant pressure carburetor 40 mm

VALVE TIMING – 4 valves / OHC, roller rocker arm

ENGINE LUBRICATION – Forced oil lubrication with 2 Eaton pumps

ENGINE OIL – Motorex Power Synt 4T 10W-50

PRIMARY DRIVE – 31:79

SECONDARY DRIVE – X-Ring chain 5/8 x 1/4

COOLING SYSTEM – Liquid cooled

CLUTCH – Multi-disc wet clutch, hydraulically operated

IGNITION – Kokusan DC-CDI

FRAME – Double ground, chrome-moly-steel frame, powder-coated

KTM 640 LC4 Adventure
KTM 640 LC4 Adventure

SUBFRAME – chrome-moly-steel, powder-coated

HANDLEBAR – Magura aluminium, tapered

FRONT SUSPENSION – WP-USD 48 mm

REAR SUSPENSION – WP – Monoshock with Pro-Lever linkage

SUSPENSION TRAVEL, FRONT/REAR – 275 / 300 mm

FRONT BRAKE – 2 x Brembo 2-piston floating caliper, 2 x brake discs � 300mm

REAR BRAKE – Brembo single-piston, floating caliper, brake disc � 220 mm

RIMS, FRONT/REAR – 2.15 x 21 / 2.50 x 18

TYRES, FRONT/REAR – 90/90-21 ; 140/80-18

GEAR RATIO – 16:42

BATTERY – 12V 8.6 Ah

SILENCER – Stainless steel HGS 4

STEERING HEAD ANGLE – 62.5�

TRAIL – 124 mm

WHEEL BASE – 1510�10mm

GROUND CLEARANCE (UNLOADED) – 315 mm

SEAT HEIGHT – 945 mm

FUEL TANK CAPACITY – 25.5 litres/3.5 litre reserve

DRY WEIGHT – approx. 158 kg

KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
KTM 640 LC4 Adventure
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