KTM 690 LC4 Rally Replica - 2008 Specifications and Reviews

The 2008 KTM 690 LC4 Rally Replica is a lightweight single-cylinder enduro designed for adventure riders seeking off-road capability with road versatility. Its potent 654cc liquid-cooled four-stroke engine and nimble handling make it ideal for tackling mixed terrain, while the rally styling appeals to riders who value authentic dual-sport performance and simplicity over complexity.

2008
5 stars Average rating: 5 from 1 votes
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General information

CategoryEnduro / offroad
Year2008
ModelKTM 690 LC4 Rally Replica
 
 

Engine and Transmission Specifications

ClutchAPTC Wet multi-disc clutch, operated hydraulically
Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionKeihin
Fuel controlSOHC
Valves per cylinder4
Fuel systemCarburettor. Keihin THB 46
Bore x stroke102.0 x 80.0 mm (4.0 x 3.1 inches)
Compression11.8:1
Stroke4
Engine typeSingle cylinder
Capacity:654.00 ccm (39.91 cubic inches)

Physical measures and capacities

Wheelbase1,498 mm (59.0 inches)
Ground clearance300 mm (11.8 inches)
Seat height910 mm (35.8 inches) If adjustable, lowest setting.

KTM 690 LC4 Rally Replica dimensions and frame

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions140/80-18
Front tyre dimensions90/90-21
Rear suspension travel250 mm (9.8 inches)
Rear suspensionWP monoshock
Front suspension travel250 mm (9.8 inches)
Front suspensionWP USD, 48 mm
Rake (fork angle)27.0°
Frame typeTubular trellis steel frame (CrMo)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track30%
City45%
Cornering70%
Daily Riding40%
Touring50%
Passenger15%

Rider Profile

Best ForThis is a tall, powerful single-cylinder rally machine best suited to experienced off-road riders who are comfortable with a very high seat and demanding power delivery.
PurposeBuilt as a genuine rally-replica enduro, it excels at long-distance off-road adventure riding, desert stages, and technical terrain rather than everyday commuting.
Rider FitThe 910mm seat height, tall ground clearance, and top-heavy long-travel suspension demand a tall inseam and good physical fitness to manage at low speeds or when fatigued.
CharacterIt has the raw, focused character of a big-bore thumper rally bike, rewarding confident, aggressive riders who enjoy standing on the pegs and tackling rough terrain.
Not Ideal ForIt is not a good fit for short riders, passengers, or anyone seeking a plush, comfortable machine for daily street commuting or gentle touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 KTM 690 LC4 Rally Replica Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 910mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 KTM 690 LC4 Rally Replica, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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