KTM SX450

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The KTM 450 SX-F was a single cylinder, four-stroke cross / motocross motorcycle produced between 2003 and 2019.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, four-stroke. A 95.0mm bore x 63.4mm stroke result in a displacement of just 449.3 cubic centimeters. The engine featured a 12.5:1 compression ratio. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

The bike has a 4-speed transmission. The final drive was via chain. Power was moderated via the wet, dds multi-disc clutch, brembo hydraulics.

Chassis[edit | edit source]

It came with a 80/100-21 front tire and a 110/90-19 rear tire. Stopping was achieved via single disc. brake calipers on floating bearings in the front and a single disc. brake calipers on floating bearings in the rear. The front suspension was a wp-usd, aer 48, ø 48 mm while the rear was equiped with a wp shock absorber with linkage. The 450 SX-F was fitted with a 1.85 Gallon (7.00 Liters) fuel tank. The bike weighed just 220.46 pounds (100.0 Kg). The wheelbase was 58.46 inches (1485 mm) long.

In Media[edit | edit source]


Ktm-sx450-2016-3.jpg
KTM SX450
Manufacturer
KTM
Also called 450 SX Racing, 450 SX ATV, 450 SX-F Factory Edition, 450 SX-F
Production 2003 - 2019
Class Enduro
Engine
single cylinder, four-stroke
Bore / Stroke 95.0mm x 63.4mm
Compression ratio 12.75:1
Horsepower 70.0 HP (52.2 KW) @ 11500RPM
Fuel System injection
Ignition keihin ems
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: wet, dds multi-disc clutch, brembo hydraulics
Suspension Front: wp-usd, aer 48, ø 48 mm
Rear: wp shock absorber with linkage
Brakes Front: single disc. brake calipers on floating bearings
Rear: single disc. brake calipers on floating bearings
Front Tire 80/100-21
Rear Tire 120/90-19
Wheelbase 58.46 inches (1485 mm)
Width 17.72 inches (450 mm)
Seat Height 37.8 inches (960 mm)
Weight 220.46 pounds (100.0 Kg) (dry), 106.0 kg (wet)
Fuel Capacity 1.85 Gallon (7.00 Liters)
Manuals Service Manual


The KTM 450 SX-F was a single cylinder, four-stroke Enduro motorcycle produced by KTM between 2003 and 2019. Claimed horsepower was 70.0 HP (52.2 KW) @ 11500 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, four-stroke. A 95.0mm bore x 63.4mm stroke result in a displacement of just 449.3 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

The bike has a 4-speed transmission. Power was moderated via the wet, dds multi-disc clutch, brembo hydraulics.

Chassis[edit | edit source]

It came with a 80/100-21 front tire and a 120/90-19 rear tire. Stopping was achieved via single disc. brake calipers on floating bearings in the front and a single disc. brake calipers on floating bearings in the rear. The front suspension was a wp-usd, aer 48, ø 48 mm while the rear was equipped with a wp shock absorber with linkage. The 450 SX-F was fitted with a 1.85 Gallon (7.00 Liters) fuel tank. The bike weighed just 220.46 pounds (100.0 Kg). The wheelbase was 58.46 inches (1485 mm) long.

2016 KTM 450 SX-F[edit | edit source]

2016 KTM 450 SX-F 2016 KTM 450 SX-F 2016 KTM 450 SX-F 2016 KTM 450 SX-F

The KTM 450 SX-F model is a Enduro / offroad bike manufactured by KTM. In this version sold from year 2016, the dry weight is 107.8 kg (237.7 pounds) and it is equiped with a Single cylinder, four-stroke motor. The hugely successful 450 SX-F powerhouse has extremely compact dimensions, strong performance throughout the rev range and a low weight; this is the lightest 450 engine on the MX market. But that doesn’t mean it’s not a heavyweight in terms of muscle. Fitted with a single overhead camshaft cylinder head and the latest electronic fuel injection, it pumps out an unrivaled 62hp. With KTM’s engineers working tirelessly to increase service intervals, this super stroker has the latest engine management technology on board and confidently shoots both amateurs and pros to the top of their time sheets.


2018 KTM 450 SX-F[edit | edit source]

The hugely successful 450 SX-F powerhouse has extremely compact dimensions, strong performance throughout the rev range and a low weight; this is the lightest 450 engine on the MX market. But that doesn’t mean it’s not a heavyweight in terms of muscle. Fitted with a single overhead camshaft cylinder head and the latest electronic fuel injection, it pumps out an unrivaled 62hp. With KTM’s engineers working tirelessly to increase service intervals, this super stroker has the latest engine management technology on board and confidently shoots both amateurs and pros to the top of their time sheets.


In Media[edit | edit source]