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2012 KTM 85 SX 17-14


Young riders interested in the world of dirt biking need to have a start-up bike that they can use to learn the ropes. Fortunately, KTM has an answer in the 85 SX 17-14.

The 85 SX 17-14 is the kind of start-up dirt bike that can train future champions as they fight for a place on the podium. You only need to look at one Henry Jacobi and his championship winning performance in the 2010 season as evidence of the bike’s overall capabilities. The 85 SX masters the toughest MX tracks with unperturbed ease. The grown-up KTM mini-crosser combines fully-fledged MX technology with perfect controllability, providing for a versatile bike that can challenge the competition with relative ease.

It’s a unique motorcycle built to last. Its 85cc engine comes packed with a six-speed transmission that always seem to have the right gear ratio available. Likewise, the frame, brakes, and suspension have all been integrated with the machine and makes that performance incredible and powerful.

The 85 SX’s lightweight and sturdy chassis is made up of a chrome-molybdenum steel frame with a bolted-on aluminum subframe. A 43 mm (1.69 in) fully-adjustable, upside-down fork from WP has been optimized and the WP PDS shock absorber has adjustable rebound and compression damping, making the bike capable of mastering even the toughest of MX courses without demanding too much of the rider.

For a bike that has proven to be championship-caliber, the KTM 85 SX 17-14 is the right choice for riders looking to break into the mini-motocross scene.

Find out more about the KTM 85 SX 17-14 after the jump.

Engine

KTM 85 SX 17-14

The 85 SX’s sensational engine delivers its power over a wide rev range thanks to its intake membrane and intricate exhaust control. The six-speed transmission always has the right gear ratio available. No coincidence that the 85 SX is the king of holeshots in junior MX race series.

Frame Wheels and Suspension Components

KTM 85 SX 17-14

The 85 SX’s lightweight and sturdy chassis consisting of a chrome-molybdenum steel frame with bolted-on aluminum subframe, 43 mm (1.69 in) fully-adjustable, upside-down fork from WP now with optimized tuning and WP PDS shock absorber featuring adjustable rebound and compression damping, masters even the toughest of MX courses without demanding too much of the rider.

Brakes

KTM 85 SX 17-14

Focusing on optimization of braking power and application, the front brake on the 85 SX has been equipped with a radially mounted, four-piston brake caliper from Formula. In conjunction with the wave brake disc, the performance of the brake system has been improved even further.

Specifications

KTM 85 SX 17-14
Engine typeSingle cylinder, 2-stroke
Displacement84.9 cc
Bore/stroke47/48.95 mm
StarterKickstarter
CarburetorKeihin PWK 28
ControlRotation speed dependent exhaust flap
LubricationMixture lubrication 1:40
Transmission6 gears
Gear ratios11:29 14:28 16:26 19:26 21:25 20:21
Primary ratio19:66
Final drive14:46
CoolingLiquid cooling
ClutchWet multi-disc clutch, hydraulically operated
IgnitionMoric digital 2M1
FrameDouble grinded central double-cradle-type frame
Subframe Aluminum
HandlebarRenthal, Aluminium Ø 22 mm
Front suspensionWP Upside-Down Ø 43 mm
Rear suspensionWP-PDS mono shock
Suspension travel front/rear270/300 mm
Front brakeDisc brake Ø 220 mm
Rear brakeDisc brake Ø 210 mm
Front/rear rims1.40 x 17"; 1.60 x 14" Alu
Front/rear tires70/100 x 17"; 90/100 x 14"
Chain1/2 x 5/16"
SilencerAluminium
Steering head angle66°
Wheel base1,290 mm ± 10 mm
Ground clearance352 mm
Seat height865 mm
Tank capacityca. 5 Liter
Weight (ready to race)approx. 68 kg (without fuel)

Quotes

Motorcycle-USA----"Not for the beginners but the KTM 85 SX 17-14 is for the riders that are proving they are ready for the big leagues. There is undeniable control and comes with nothing but the best fully-fledged MX technology that you will be able to see as it helps you master the toughest tracks."



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