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2008 KTM 990 Adventure Overview
The 2008 KTM 990 Adventure is an enduro / off-road motorcycle built around 999.8 cc of displacement. Under the tank sits a Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder engine, a compression ratio of 11.5;1. 2008 KTM 990 Adventure delivers 96.5 hp @ 8500 rpm of peak power and 95 Nm @ 6500 rpm of torque. The factory-quoted top speed stands at 211 km/h, making it a capable performer in its class. From a practical standpoint, the 2008 990 Adventure tips the scales at 209 kg, carries a 19.5-litre fuel tank and offers a seat height of 860 mm. Scroll down for the complete 2008 KTM 990 Adventure spec sheet covering every technical detail from suspension travel to tyre sizes.
2008 990 Adventure - Pros & Cons
Strengths
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Strong power output: 2008 KTM 990 Adventure makes 96.5 hp @ 8500 rpm with 95 Nm @ 6500 rpm of torque - competitive figures for its class.
Considerations
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Tall seat height: The 860 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
General ownership notes
The 2008 KTM 990 Adventure has built a reputation for solid everyday reliability when serviced to schedule. As with any motorcycle of this era, documented service history is the single biggest indicator of long-term reliability when buying used.
990 Adventure - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2008 KTM 990 Adventure, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained 990 Adventure should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any 990 Adventure. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
2008 KTM 990 Adventure - Frequently Asked Questions
What engine does the 2008 KTM 990 Adventure have?
The 2008 KTM 990 Adventure uses a Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder engine with 999.8 cc of displacement. It is liquid cooling.
What is the top speed of the 2008 KTM 990 Adventure?
The 2008 KTM 990 Adventure has a factory-quoted top speed of 211 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.
How much does the 2008 KTM 990 Adventure weigh?
The 2008 KTM 990 Adventure weighs 209 kg. This is the manufacturer's dry figure.
How much power does the 2008 KTM 990 Adventure make?
The 2008 KTM 990 Adventure produces 96.5 hp @ 8500 rpm of power and 95 Nm @ 6500 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2008 KTM 990 Adventure?
The 2008 KTM 990 Adventure has a 19.5-litre fuel tank.
Is the 2008 KTM 990 Adventure suitable for shorter riders?
The 2008 KTM 990 Adventure has a seat height of 860 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2008 KTM 990 Adventure have?
The 2008 KTM 990 Adventure uses 2x 300mm discs 2 piston calipers at the front and Single 240mm disc 1 piston caliper at the rear.
What tyre sizes does the 2008 KTM 990 Adventure use?
The 2008 KTM 990 Adventure runs 90/90 -21 front and 150/70 -R18 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2008 KTM 990 Adventure have?
The 2008 KTM 990 Adventure is fitted with a 6 Speed transmission.
KTM 990 Adventure Spec Evolution
The KTM 990 Adventure was produced across 8 model years (2006-2013). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Max Power |
96.5 hp / 70.5 kW @ 8500 rpm |
96.5 hp / 70.5 kW @ 8500 rpm |
96.5 hp / 70.5 kW @ 8500 rpm |
104.6 hp / 78 kW @ 8250 rpm |
104.6 hp / 78 kW @ 8250 rpm |
113.3 hp / 84.5 kW @ 8750 rpm |
113.3 hp / 84.5 kW @ 8750 rpm |
113.3 hp / 84.5 kW @ 8750 rpm |
| Max Torque |
95 Nm / 70.1 lb-ft @ 6500 rpm |
95 Nm / 70.1 lb-ft @ 6500 rpm |
95 Nm / 70.1 lb-ft @ 6500 rpm |
100 Nm / 73.8 lb-ft @ 6500 rpm |
100 Nm / 73.8 lb-ft @ 6500 rpm |
100 Nm / 73.8 lb-ft @ 6500 rpm |
100 Nm / 73.8 lb-ft @ 6500 rpm |
100 Nm / 73.8 lb-ft @ 6500 rpm |
Key Specifications
Engine
Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder
Power
96.5 hp / 70.5 kW @ 8500 rpm
Torque
95 Nm / 70.1 lb-ft @ 6500 rpm
Weight
209 kg / 460.7 lbs
Fuel Capacity
19.5 Litres / 5.1 gal
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Full 2008 KTM 990 Adventure Specifications
Year
2008
Make Model
KTM 990 Adventure
Seat Height
860 mm / 33.8 in
Ground Clearance
261 mm / 9.0 in
Dry Weight
209 kg / 460.7 lbs
Fuel Capacity
19.5 Litres / 5.1 gal
Displacement
999.8 cc / 60.9 cu-in
Engine Detail
Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder
Bore x Stroke
101 x 62.4mm
Compression Ratio
11.5;1
Cooling System
Liquid cooling
Engine Oil Specification
Motorex, SAE 10W-50
Exhaust
Twin stainless steel silencer with regulated catalytic converter
Fuel Consumption
15.2 km/lit
Fuel Induction
Keihin Electronic Fuel Injection EMS
Ignition
Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment
Starter
Electric
Battery Capacity
12 V/11.2 Ah
Clutch
Wet Multi-disc hydraulically operated,
Final Drive
Chain, X-Ring 5/8 x 5/16"
Final Drive Ratio
16:42
Primary Drive
35:67
Transmission / Drive
6 Speed
Frame Type
Tubular cromoly spaced frame. powered coated
Suspension - Front
48mm WP USD forks
Suspension - Rear
WP-PDS rear shock, hydraulic spring preload
Handlebar
Aluminium, tapered, Ø 28/22 mm
Wheel Travel - Front
190 mm / 7.5 in
Wheel Travel - Rear
190 mm / 7.5 in
Brakes - Front
2x 300mm discs 2 piston calipers
Brakes - Rear
Single 240mm disc 1 piston caliper
Tyres - Front
90/90 -21
Tyres - Rear
150/70 -R18
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