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KTM 350 EXC-F

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Make Model

KTM 350 EXC-F Enduro

Year

2011 - 12

Engine

Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinde

Capacity

349.7 cc / 21.3 cu in
Bore x Stroke 88 x 57.5 mm
Compression Ratio 12.3:1
Cooling System Liquid cooled
Lubrication System Twin oil pumps

Induction

Keihin EFI, flow restrictor 42 mm

Spark Plug

NGK LMAR9AI-8

Ignition

Keihin EMS
Starting Kick- and (EXC-E electric starter)
Battery YTX4L-BS, 12V 3Ah, maintenance free
Clutch Wet multi-disc clutch, Brembo hydraulics

Transmission 

6 Speed 
Final Drive Chain
Gear Ratios 1st 14:32 / 2nd 16:26 / 3rd 20:25 / 4th 22:23 / 5th 25:22 / 6th 26:20
Primary Drive Ratio 24:73
Final Drive Ratio 14:52 (13:52)
Frame Central double-cradle-type 25CrMo4, subframe aluminium

Front Suspension

WP Suspension Up Side Down 4860 MXMA PA
Front Wheel Travel 300 mm / 11.8 in

Rear Suspension

WP Suspension PDS 5018 DCC
Rear Wheel Travel 335 mm / 13.1 in

Front Brakes

Single 260 mm disc, 2 piston caliper

Rear Brakes

Single 220 mm disc, 1 piston caliper

Front Tyre

90/90 - 21 M/C 54M M+S TT

Rear Tyre

140/80 - 18 M/C 70M M+S TT
Steering Head Angle 63.5°
Wheelbase 1482 mm / 58.3 in
Seat Height 970 mm / 38.19 in
Ground Clearance 345 mm / 13.58 in

Dry Weight

107.5 kg / 237 lbs

GVWR

335 kg / 739lbs

Engine Oil Capacity 

1.2 Litres / 1.3 US qt / 1.1 Imp qt

Fuel Capacity 

9 Litres / 2.4 US gal / 2.0 Imp gal
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In 2006, Stefan Everts was reigning world champion (with a mere 14 victories in 15 Grand Prix) and then he became KTM Race Director. Back then, he could already see where the future of motocross was heading and in KTM he found an ideal partner for his vision: efficient and maximum practicable performance from smaller displacements in an overall package that’s tailored unconditionally to the requirements of the rider. 4 years or so later, it’s ready: the new 350 SX-F. With a new engine, fuel injection system and smaller displacement, new bodywork, new chassis – in fact, a whole new concept. What with the first Grand Prix victory and racing to the top of the overall standings in the MX1 class after only two races, maybe even the beginning of a new era in motocross …

 

KTM won a lot of motocross races in 2010 with the 350 SX-F and it’s looking to translate that success to enduro racing in 2011. The EXC-F uses the exact same fuel-injected, DOHC, 349.7cc single-cylinder engine, which KTM claims is as powerful as a 450 and as light and compact as a 250.