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Old 01-02-2005, 03:12 PM   #14
meat popsicle
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Joined: Feb 2004
Location: Circumlocution Office of Little Dorrit
Oddometer: 14,147
from another similar thread:

Quote:
Originally Posted by meat popsicle
Found this recently, doesn't seem like much has changed for 05. The second oil injector is interestin' I suppose. What's this about a new ignition map? (that could be upgraded easily, just get the 05 CDI right?). new camshaft... yeah so what?!? new fork setup for anti-dive... who wants two disc brakes up front for the dirt? new brake pads eh? that is interestin' but an easy add on.

new round holes in the rear disc... none of these things are that interestin, unless you don't got one. the big changes people want are thngs like a six-speed tranny

oh wait! new indicators!!! i want one now!

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2005 KTM 640 LC4 Adventure


Introduction

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
# 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 Ø 300mm
# REAR BRAKE - Brembo single-piston, floating caliper, brake disc Ø 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

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