KTM 150 EXC TPI - 2021 Specifications and Reviews

The 2021 KTM 150 EXC TPI is a lightweight two-stroke enduro bike designed for entry-level and intermediate off-road riders seeking nimble handling and excellent fuel efficiency. Its 143cc liquid-cooled engine with TPI technology delivers predictable power delivery and impressive economy at 38.2 km/l. Known for agility in tight terrain and low seat height, it's ideal for trail riding and racing in smaller-capacity classes.

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General information

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CategoryEnduro / offroad
Year2021
ModelKTM 150 EXC TPI

Engine and Transmission Specifications

Greenhouse gases60.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption2.62 litres/100 km (38.2 km/l or 89.78 mpg)
Driveline14:50. Primary drive: 23:73.
ClutchMulti-plate clutch, Brembo hydraulics
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionContinental EMS
Bore x Stroke58.0 x 54.5 mm (2.3 x 2.1 inches)
Engine detailsReed intake.
Engine typeSingle cylinder, two-stroke
Capacity:143.7 ccm (8.77 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Brembo single-piston floating calliper
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Brembo twin-piston floating calliper
Rear wheel travel310 mm (12.2 inches)
Rear SuspensionWP Xplor PDS shock absorber
Front wheel travel300 mm (11.8 inches)
Front SuspensionWP XPlor 48 upside-down fork
Rake (fork angle)26.5°
Frame typeCentral double-cradle-type 25CrMo4 steel
 
 

Physical measures and capacities

Fuel capacity9.00 litres (2.38 US gallons)
Wheelbase1471 mm (57.9 inches)
Ground clearance370 mm (14.6 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight96.8 kg (213.4 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
ElectricalLithium-ion battery
StarterElectric
Color optionsOrange/white

Performance Profile & Rider Fit

Best For

Track15%
City20%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate-to-advanced off-road riders comfortable with a light, punchy two-stroke that demands active clutch and throttle control.
PurposeBuilt purely for technical enduro, trail riding, and competitive off-road use rather than street or highway riding.
Rider FitIts very low dry weight and tall suspension travel favor riders who can stand aggressively on the pegs and manage a firm, tall seat height over rough terrain.
CharacterA raw, lightweight two-stroke enduro weapon that rewards precise inputs with exceptional agility and terrain-conquering capability.
Not Ideal ForNot suitable for riders seeking a comfortable, stable highway tourer or a low-maintenance daily commuter.

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

Rider Fit Visualizer

2021 KTM 150 EXC TPI Rider Ergonomics Assessment

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

Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 KTM 150 EXC TPI, with a cramped knee angle of around 85 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 KTM 150 EXC TPI is a powerful and nimble off-road motorcycle that is perfect for both casual riders and serious competitors. The bike is equipped with a fuel-injected 150cc engine, offering smooth and consistent power delivery throughout the RPM range. Its lightweight chassis and excellent suspension make it a joy to ride on any terrain, from tight trails to open desert. The KTM 150 EXC TPI also features top-of-the-line components, such as Brembo brakes and a WP XPLOR suspension system, ensuring top-notch performance and handling. For anyone in the market for a high-performance off-road motorcycle, the 2021 KTM 150 EXC TPI is a top contender. Its fuel-injected 150cc engine, lightweight chassis, and premium components make it a capable and versatile choice for riders of all skill levels. Whether you're hitting the trails for a weekend adventure or competing in a professional race, the KTM 150 EXC TPI delivers the performance and reliability you need to succeed.
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