2019 KTM MINIS

KTM has released its youth line of mini racers for 2019. The following information is directly from KTM’s press department.

 

2019 KTM 85SX

2019 KTM 85 SX

The riders of the junior class are not beginners. These are future champions fighting for victory, no matter if it is the AMA Amateur National Title or Junior Motocross World Championship. The 2018 KTM 85 SX is a completely new weapon for class supremacy. An all-new model from the ground up, the 85 SX boasts an engine with more power and ridability across the entire rev range and a chassis that allows the rider to use every bit of that power. There is no 85cc machine that is more READY TO RACE than the 2018 KTM 85 SX.

2019 KTM 85 SX Highlights

NEW engine in 2018 with improved power and torque over the entire rev range is 1.5 pounds lighter.
New orange frame and graphics to match the full size SX bikes
Cylinder is designed around an all new power valve system that is adjustable and increases torque and controllability.
Crankshaft is lighter than before while having more inertia for better torque. Optimized balancing reduces vibrations.
DS (Diaphragm Spring) clutch is more compact with better performance than a conventional coil spring design.
Crankcases are more compact with a shaft arrangement that is close as possible to the center of gravity.
Chrom-moly steel frame is nearly a pound lighter with 7% more torsional rigidity and 25% less longitudinal stiffness for more agility and better bump absorption.
WP AER 43 front fork with a sophisticated air spring design and separate damping for easy adjustment to any track condition, rider weight or skill level.
WP PDS (Progressive Damping System) rear shock provides excellent bump absorption and stability.
Aluminum subframe is lighter and more compact for better mass centralization.
Cooling system features integrated crankcase cooling and two radiators for high performance. The newly designed system uses the shroud and grill to protect the radiator in a crash.
Sharp bodywork that is based on the full-sized SX models with the same contact points and overall feel for perfect ergonomics.
Airbox similar to the larger SX models allows for air filter changes in seconds without tools.
Black coated high-end Excel rims, lightweight, CNC machined hubs and black spokes with lightweight aluminum nipples ensure the highest stability at minimum weight on the KTM 85 SX.

2019 85 SX SPECIFICATIONS
Engine Type: Single Cylinder, 2-Stroke
Displacement: 84.9 cc
Bore / Stroke: 47 / 48.95 mm
Starter: Kickstarter
Transmission: 6 Gears
Fuel System: Keihin PWK 28
Lubrication: Premix 40:1
Primary Ratio: 20:64
Final Drive: 13:46
Cooling: Liquid Cooling
Clutch: Wet Multi-Disc DS Clutch, Formula Hydraulics
Ignition: Kokusan
Frame: Central Tube Frame, Chrome Molybdenum
Subframe: Aluminum
Handlebar: Tapered Aluminum Ø 28/22mm
Front Suspension: WP USD AER 43 Ø 43 mm
Rear Suspension: WP PDS Monoshock
Suspension Travel Front/Rear: 280 mm / 11 in; 305 mm / 12 in
Front/Rear Brakes: Disc Brake 240 mm / 210 mm
Front/Rear Rims: 1.40 x 17” / 1.60 x 14”
Front/Rear Tires: 70/100-17” / 90/100-14” MAXXIS
Chain: 1/2 x 5/16 in
Silencer: Aluminum
Steering Head Angle: 24º
Triple Clamp Offset: 14 mm
Wheelbase: 1,290 mm ± 10 mm / 50.8 in ± 0.4 in
Ground Clearance: 352 mm / 13.9 in
Seat Height: 855 mm / 33.7 in
Tank Capacity, Approx: 5.2 L / 1.4 gal
Weight (without fuel), Approx: 67 kg / 147.7 lbs

2019 KTM 65SX
2019 KTM 65SX

2019 KTM 65 SX

The 65 SX is a fully-fledged piece of racing kit for young pilots. This year’s top mini features revolutionary WP AER 35 front forks, cool graphics and detailed improvements that set the standard in terms of power, riding dynamics, equipment and craftsmanship. Further weight reduction from the new WP AER 35 fork make the 65 SX even sharper on the track. Like its larger counterparts, the 65 SX is truly READY TO RACE for its young competitors.

2019 KTM 65 SX Highlights:

New ODI grips for 2019
New fork guards

WP AER 35 air-sprung front fork is 1.7 pounds lighter and makes adjustments for the rider size and track easy
Sleek bodywork that provides excellent ergonomics for the ultimate in control
NEW graphics to match the full-size SX models and orange frame
The 65 SX benefits from cutting-edge 2-stroke technology and an easy to shift 6-speed transmission with a hydraulic clutch.
A WP PDS monoshock guarantees optimum damping characteristics and outstanding stability. The rear wheel travel is 270mm.
With adjustable compression and rebound, the suspension can be set up precisely for the rider and track in no time.
The 65 SX is fitted front and rear with massive four-piston calipers that grip lightweight Wave brake discs of 198mm front and 160mm rear diameter.
Like the big KTM factory racers, the 65 SX has super lightweight, black anodized, aluminum rims providing the highest strength.
MAXXIS knobby tires provide superb grip in any terrain.

2019 KTM 65 SX SPECIFICATIONS
Engine Type: Single Cylinder, 2-Stroke
Displacement: 64.9 cc
Bore / Stroke: 45.0 / 40.8 mm
Starter: Kickstarter
Transmission: 6 Gears
Fuel System: Mikuni TM 24-505
Lubrication: Premix 60:1
Primary Ratio: 23:75
Final Drive: 14:48
Cooling: Liquid Cooling
Clutch: Wet Multi-Disc Clutch, Formula Hydraulics
Ignition: AET Digital
Frame: Central Tube Frame, Chrome Molybdenum
Subframe: Aluminum
Handlebar: Renthal, Aluminum Ø 22mm
Front Suspension: WP AER 35 USD Ø 35mm
Rear Suspension: WP Monoshock
Suspension Travel Front/Rear: 217 mm / 8.5 in; 270 mm / 10.6 in
Front/Rear Brakes: Disc Brake 198 mm / 220 mm
Front/Rear Rims: 1.60 x 14” / 1.60 x 12”
Front/Rear Tires: 60/100-14” / 80/100-12”
Chain: 1/2 x 1/4 in
Silencer: Aluminum
Steering Head Angle: 25.5º
Triple Clamp Offset: 22 mm
Wheelbase: 1,137 mm ± 10 mm / 44.8 in ± 0.4 in
Ground Clearance: 280 mm / 11 in
Seat Height: 750 mm / 29.5 in
Tank Capacity, Approx: 3.5 L / 0.92 gal
Weight (without fuel), Approx: 52.2 kg / 115.1 lbs

2019 KTM 50SX
2019 KTM 50SX

2019 KTM 50 SX

The 50 SX is a true READY TO RACE KTM for young MX riders. It is a genuine dirt bike that, like its bigger siblings, is produced with top-quality components. This makes the 50 SX the first choice as a stepping stone into the world of MX or for the first racing step on the ladder. With the youngster in mind this package has an engine that delivers steady, controllable power, incorporating an automatic clutch that allows the rider to concentrate on the track, not shifting. This year’s model features revolutionary WP AER 35 front forks, fully adjustable rear suspension, a new exhaust, ultra-cool graphics and detail improvements that make going fast fun.

2019 KTM 50 SX Highlights:
New fork guards
New ODI grips
New orange frame and graphics to match the full size SX bikes
WP AER 35 air-sprung fork is easily adjustable for different rider sizes as well as track conditions
Fully adjustable rear suspension to match the performance of the WP AER 35 fork
A 3-shaft engine design keeps the crankshaft close to the bike’s center of gravity for quick handling along with room for an optimized reed valve angle for maximum performance
Bodywork that mimics the full-size SX-F line that gives the 50 SX a slim profile for excellent ergonomics and handling
Front and rear hydraulic brakes by Formula combined with lightweight WAVE discs are powerful with feedback that gives control for any skill level
A centrifugal multi-disc automatic clutch provides manageable acceleration and can be adjusted to the track conditions in minutes without tools
Super lightweight, black anodized aluminum rims are matched to MAXXIS tires for maximum grip

2019 50 SX SPECIFICATIONS

Engine Type: Single Cylinder, 2-Stroke
Displacement: 49 cc
Bore/Stroke: 39.5/40.0 mm
Starter: Kickstarter
Transmission: Rigid 1-Stage Reduction Gear
Fuel System: Dell’Orto PHBG 19 BS
Lubrication: Premix 60:1
Primary Ratio: 33:61 Straight Cut Reduction Gear
Final Drive: 11:40
Cooling: Liquid Cooling
Clutch: Centrifugal Clutch (Adjustable)
Ignition: Selettra 2p D36
Frame: Central Tube Frame, Chrome Molybdenum
Subframe: Steel
Handlebar: Renthal, Aluminum Ø 22mm
Front Suspension: WP AER 35 USD Ø 35mm
Rear Suspension: WP Monoshock
Suspension Travel Front/Rear: 205 mm / 8.07 in; 185 mm / 7.28 in
Front/Rear Brakes: Disc Brake 160 mm / 160 mm
Front/Rear Rims: 1.50 x 12” / 1.60 x 10”
Front/Rear Tires: 60/100 x 12” / 2.75 x 10”
Chain: 1/2 x 3/16 in
Silencer: Aluminum
Steering Head Angle: 24.0º
Triple Clamp Offset: 22 mm
Wheelbase: 1,032mm ± 10 mm / 40.6 ± 0.4 in
Ground Clearance: 252mm / 9.92 in
Seat Height: 684 mm / 26.9 in
Tank Capacity, Approx: 2.3L / 0.61 gal
Weight (without fuel), Approx: 44.8 kg/ 90 lbs

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