2013 KTM 65 SX Specifications

Name: 2013 KTM 65 SX
Brand: KTM

Cross / motocross • Specs last verified 13 July 2026

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2013 KTM 65 SX Overview

For 2013, KTM offers the 65 SX as a cross / motocross motorcycle with 64.85 cc on tap. The 2013 KTM 65 SX is built around a Single cylinder, two-stroke engine. Internally, bore and stroke are 45 x 40.8 mm. In everyday use, the 2013 65 SX tips the scales at 55.5 kg, carries a 3.50-litre fuel tank, offers a seat height of 750 mm and spans a 1,137 mm wheelbase. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2013 KTM 65 SX spec sheet below.

2013 KTM 65 SX compared with other bikes in the Cross / motocross category

Measured against other bikes in the Cross / motocross category in our database (up to 224 models, one entry per model), the 2013 KTM 65 SX comes out as follows.

With 65 cc, the 65 SX has the 13th smallest engine displacement of 224 bikes in the Cross / motocross category, 77% below the category average of 279 cc.
Seat height of 750 mm is lower than that of 181 of the other 199 bikes in the Cross / motocross category.
Narrowing the field to the 93 models within five model years of it, the engine displacement of 65 cc is smaller than that of 86 of the other 92.

Versus the 2012 model

The figures we track are unchanged from the 2012 model: displacement and seat height all match.

2013 65 SX - Pros & Cons

Strengths

Strong front braking: The single disc front brake bites hard and stays consistent - a solid foundation whether it's stock or upgraded with braided lines.
Accessible seat height: At just 750 mm, flat-footing at a stop is easy for most riders - a genuine confidence builder for less experienced owners.

Considerations

Modest fuel capacity: A 3.50-litre tank keeps things light but means budgeting for more frequent fuel stops on any longer ride.
Chain final drive upkeep: A chain drivetrain is the most common setup in its class, but it's also the one that demands the most regular hands-on maintenance.

Wear Points & Servicing Notes

Brake disc and pad wear

Single disc with four-piston calipers up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.

Suspension condition on used examples

Suspension duties are handled by WP ?Suspension USD ?35 up front and WP ?Suspension ?3614 BAVP at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.

Final drive maintenance

Chain final drive on the 65 SX means routine lubing and tension checks are part of ownership - skip them and sprocket wear accelerates noticeably.

Frame & chassis check

The Central tube frame of chrome molybdenum steel tubing, powder-coated chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.

Low-speed handling

The 65 SX's 55.5 kg kerb weight makes low-speed control noticeably less effort than on a heavier machine.

65 SX - Buying & Maintenance Guide

What to check before buying

A pre-purchase check on the 2013 KTM 65 SX with its 64.85 cc cross / motocross should cover the same ground every time: service history, drivetrain condition, and any oil seepage around the casings. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 13 years old, this cross / motocross is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. Start it from cold if you can - a well-kept 65 SX settles to a smooth idle within seconds.

Oil and filter changes

Oil changes are the cheapest insurance you can buy for the 65 SX's 64.85 cc single cylinder, two-stroke - keep to the manufacturer's interval rather than stretching it. Use the viscosity grade the manual specifies, not whatever's on sale.

2013 KTM 65 SX - Frequently Asked Questions

What engine does the 2013 KTM 65 SX have?

The 2013 KTM 65 SX uses a Single cylinder, two-stroke engine with 64.85 cc of displacement.

How much does the 2013 KTM 65 SX weigh?

The 2013 KTM 65 SX weighs 55.5 kg. This is the manufacturer's dry figure.

What is the fuel tank capacity of the 2013 KTM 65 SX?

The 2013 KTM 65 SX has a 3.50-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 58-70 km between stops.

Is the 2013 KTM 65 SX suitable for shorter riders?

The 2013 KTM 65 SX has a seat height of 750 mm. This is a comfortable, accessible height for most riders.

What brakes does the 2013 KTM 65 SX have?

The 2013 KTM 65 SX uses single disc with four-piston calipers at the front and single disc with two-piston calipers at the rear.

What suspension does the 2013 KTM 65 SX have?

The 2013 KTM 65 SX uses WP ?Suspension USD ?35 up front and WP ?Suspension ?3614 BAVP at the rear.

What frame does the 2013 KTM 65 SX use?

The 2013 KTM 65 SX is built around a Central tube frame of chrome molybdenum steel tubing, powder-coated frame.

KTM 65 SX Spec Evolution

The KTM 65 SX was produced across 20 model years (2003-2023). 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	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2021	2022	2023
Wet Weight	-	-	-	-	-	-	-	-	-	173.0 kg / 381.4 lbs	-	112.0 kg / 246.9 lbs	-	-	-	-	-	-	-	-
Dry Weight	55.6 kg / 122.6 lbs	55.6 kg / 122.6 lbs	55.6 kg / 122.6 lbs	55.6 kg / 122.6 lbs	55.6 kg / 122.6 lbs	55.6 kg / 122.6 lbs	55.6 kg / 122.6 lbs	55.4 kg / 122.1 lbs	55.4 kg / 122.1 lbs	55.4 kg / 122.1 lbs	55.5 kg / 122.4 lbs	55.5 kg / 122.4 lbs	55.5 kg / 122.4 lbs	53 kg / 116.8 lbs	53 kg / 116.8 lbs	53 kg / 116.8 lbs	53 kg / 116.8 lbs	53 kg / 116.8 lbs	53 kg / 116.8 lbs	53 kg / 116.8 lbs
Engine Detail	-	-	-	-	-	-	-	-	-	Reed intake and exhaust control	Reed intake.	Reed intake.	Reed intake.	Reed intake.	Reed intake.	Reed intake	Reed intake	-	-	-
Engine Type	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke
Seat Height	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	725 mm / 28.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.	750 mm / 29.5 in.
Fuel Capacity	3.40 litres / 0.90 gallons	3.30 litres / 0.87 gallons	3.30 litres / 0.87 gallons	3.30 litres / 0.87 gallons	3.30 litres / 0.87 gallons	3.30 litres / 0.87 gallons	3.30 litres / 0.87 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 gallons	3.50 litres / 0.92 US gallons	3.50 litres / 0.92 US gallons	3.50 litres / 0.92 US gallons	3.70 litres / 0.98 US gallons
Displacement (cc)	64.85 cc	64.89 cc	64.90 cc	64.90 cc	64.90 cc	64.90 cc	64.90 cc	64.90 cc	64.90 cc	64.90 cc	64.85 cc	64.85 cc	64.85 cc	64.85 cc	64.85 cc	64.85 cc	64.9 cc	64.9 cc	64.9 cc	64.9 cc
Ground Clearance (in.)	11.4 inches	11.4 inches	11.4 inches	11.4 inches	11.4 inches	11.4 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches	11.0 inches

Key Specifications

Engine

Single cylinder, two-stroke

Power

Not recorded

Torque

Not recorded

Top Speed

Not recorded

Weight

55.5 kg / 122.4 lbs

Fuel Capacity

3.50 litres / 0.92 gallons

Full 2013 KTM 65 SX Specifications

Colours Orange/black

Ground Clearance (in.) 11.0 inches

Ground Clearance (mm) 280 mm

Seat Height 750 mm / 29.5 in.

Wheelbase 1,137 mm / 44.8 in.

Dry Weight 55.5 kg / 122.4 lbs

Fuel Capacity 3.50 litres / 0.92 gallons

Displacement (cc) 64.85 cc

Displacement (ci) 3.96 cubic inches

Engine Type Single cylinder, two-stroke

Bore x Stroke (in,) 1.8 x 1.6 inches

Bore x Stroke (mm) 45.0 x 40.8 mm

Engine Detail Reed intake.

Engine Lubrication Mixture oil lubrication

Ignition Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment

Starter Kick

Clutch Wet multi-disc clutch / hydraulically operated

Final Drive Chain

Gearbox 6-speed

Primary Drive 14:48. Primary drive: 23:75 straight cut spur gear.

Frame Type Central tube frame of chrome molybdenum steel tubing, powder-coated

Suspension - Front WP ?Suspension USD ?35

Suspension - Rear WP ?Suspension ?3614 BAVP

Rake 25.5°

Wheel Travel - Front 275 mm / 10.8 in.

Wheel Travel - Rear 272 mm / 10.7 in.

Brakes - Front Diameter (in.) 7.8 inches

Brakes - Front Diameter (mm) 198 mm

Brakes - Rear Diameter (in.) 6.3 inches

Brakes - Rear Diameter (mm) 160 mm

Brakes - Front Single disc. Four-piston calipers.

Brakes - Rear Single disc. Two-piston calipers.

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.