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Found 75 results

  1. Steamboat

    KTM 125 SX (2002)

    0 comments

    Just perfect for short legged ambitious squids who are less than 5'10". I ride it not on a motocross track. I hear it didn't do well there until recent. I am running stock clutch, it will last a crappy mechanic who occasionally rides, doesn't try big hills and puts an oversized base gasket in anyhow.
  2. ThumperTalk

    KTM 125 SX 1993

    0 reviews

    MOTORCYCLE TYPE Enduro ENGINE SPECIFICATIONS Displacement (cc): 124 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 208
  3. outlawripper

    KTM 125 SX (2002)

    0 comments

    amazeing
  4. 2-STROKEforLIFE

    KTM 125 SX (2004)

    0 comments

    Runs absolutely fantastic! No problems so far. It rips :thumbsup:
  5. Jmheedro

    What if? head mount bracket

    okay so i am curious, whats the main purpose of the head mount bracket on my KTM 125 Sx ? is there any design function thats crucial to riding with or with out it?
  6. Chris.GVS

    KTM 125 SX 2014

    3 reviews

    ENGINE Design: 1-cylinder 2-stroke engine, water-cooled, with reed intake and exhaust control Displacement: 124.8 cm³ Bore: 54 mm Stroke: 54.5 mm Starting aid: Kick starter Transmission: 6 gear, claw shifted Primary ratio: 23:73 Final drive: 13:50 Clutch: Wet multi-disc clutch / Brembo hydraulics Ignition system: Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan CHASSIS Frame: Central tube frame made of chrome molybdenum steel tubing Fork: WP Suspension Up Side Down 4860 MXMA 4CS Shock absorber: WP Suspension 5018 BAVP DCC Suspension travel Front: 300 mm Suspension travel Rear: 317 mm Brake system: Disc brakes, brake calipers on floating bearings Brake discs - diameter Front: 260 mm Brake discs - diameter Rear: 220 mm Chain: 520 X-ring Steering head angle: 63.5° Wheel base: 1,480±10 mm Ground clearance (unloaded): 395 mm Seat height (unloaded): 992 mm Total fuel tank capacity approx.: 7.5 l Unleaded: premium fuel (98 octane), mixed with 2-stroke engine oil (1:40) Weight without fuel approx.: 92.1 kg
  7. ThumperTalk

    KTM 125 SX 1998

    0 reviews

    MOTORCYCLE TYPE Enduro ENGINE SPECIFICATIONS Displacement (cc): 124 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 208
  8. ZchryBchnn

    KTM 125 SX (2014)

    0 comments

    Amazing bike! Can't say enough good things about it.
  9. I am looking to buy a 125 2 stroke and wondering which brand i should get. I have a 33-34 in inseam and i am about 140 pounds. I saw on bikez.com that the older ktm's (early 2000's) have a 36.4 inseam which would be great. I have ridden my friends kx 65 and I currently own a TTR-125L. I will sell the TTR, also i will sell my road bike, and my kidney so i will have about $2,000. Which brand would you recommend and why? Please share any good/bad experiences with 125 2 strokes. Oh and how often do they break down and how is maintenance I have close to no experience on fixing dirt bikes other than cleaning my TTR 125's carb, changing oil basically just easy work. I want to be able to do all of the work my self, almost everything is on YT or forums so it couldn't be to hard.
  10. Rushy89

    KTM 125 SX (2015)

    0 comments

    Bloody awesome bike ! never as let me down so far. Starts first kick every time. has lots of power & looks awesome !
  11. ThumperTalk

    KTM 125 SX 1997

    0 reviews

    MOTORCYCLE TYPE Enduro ENGINE SPECIFICATIONS Displacement (cc): 124 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 208
  12. DaleRidesAll

    KTM 125 SX (2001)

    0 comments

    Although it needs quite a bit done to it I bloody love this thing
  13. ktmrider125sx

    07 KTM 125 power valve axle bolt

    When washing my bike I noticed a bolt on the jug leaking what looks like grease. I searched the bolt and its the power valve axle bolt. The bolt on the left side of the cylinder is the leaking one. On the right side it's completely fine. What caused it to be leaky and how do I fix it?? Thanks a ton
  14. MikeyBikey

    KTM 125 SX (2002)

    0 comments

    GREAT BIKE!
  15. justins394

    200exc plastic conversion

    I have a 2004 ktm200exc and I want to put a new 2013 front fender on it and I was wondering if anyone has tried it and if it will require any modifying thanks
  16. ThumperTalk

    KTM 125 SX 2012

    1 review

    IDENTIFICATION Type: Off-Road Warranty (Months): 1 Revision Status: Carryover ENGINE Displacement (cc): 124.8 Engine Type: Single-Cylinder Cylinders: 1 Engine Stroke: 2-Stroke Valve Configuration: Reed Valve Carburetion Type: Carburetor TRANSMISSION Transmission Type: Manual Number of Speeds: 6 Primary Drive System: Chain BRAKES Front Brakes: Hydraulic Disc Rear Brakes: Hydraulic Disc TIRES Front Tire(s): Pirelli
  17. ramz1995

    KTM 125 SX (2007)

    0 comments

    Absolutely love the 125. Very smooth.
  18. ThumperTalk

    KTM 125 SX 2001

    2 reviews

    MOTORCYCLE TYPE Moto Cross ENGINE SPECIFICATIONS Displacement (cc): 125 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 203
  19. ThumperTalk

    KTM 125 SX 2003

    5 reviews

    GENERAL INFORMATION Model: KTM 125 SX Year: 2003 Category: Cross / motocross Rating: 76 out of 100. ENGINE AND TRANSMISSION Displacement: 124.80 ccm (7.62 cubic inches) Engine type: Single cylinder, two-stroke Bore x stroke: 45.0 x 40.8 mm (1.8 x 1.6 inches) Fuel system: Carburettor Cooling system: Liquid Gearbox: 5-speed Transmission type, final drive: Chain CHASSIS, SUSPENSION, BRAKES AND WHEELS Front suspension travel: 300 mm (11.8 inches) Rear suspension travel: 335 mm (13.2 inches) Front tyre dimensions: 80/100-21 Rear tyre dimensions: 100/90-19 Front brakes: Single disc Front brakes diameter: 260 mm (10.2 inches) Rear brakes: Single disc Rear brakes diameter: 220 mm (8.7 inches) PHYSICAL MEASURES AND CAPACITIES Dry weight: 93.6 kg (206.4 pounds) Seat height: 925 mm (36.4 inches) If adjustable, lowest setting. Ground clearance: 390 mm (15.4 inches) Wheelbase: 1,461 mm (57.5 inches) Fuel capacity: 7.50 litres (1.98 gallons)
  20. yzreiley

    KTM 125 SX (2014)

    0 comments

    Doesn't get any better for a 125 two stroke.
  21. If you own a 2 stroke dirtbike,please reply once. Im just wondering how many people on this site have them. Thanks
  22. I just upgraded from a 2005 KTM 125sx to a 2013 KTM 125x. I loved my old 125, really learned how to handle it but it was having mechanical issues every time we rode. I figured an upgrade would be the answer but I'm having difficulties on the new one. I ride single track bush trails and places that I wouldn't have had a problem before, I keep spinning my rear wheel. I can't get any traction at all unless I have real momentum going into hills. Yes, some of the trails are icy right now but I have studded tires so it should just hook up! The first ride on it, I had to duck out from the pack because I couldn't make it up the hills. Even one of the experienced guys tried to ride it up a hill and couldn't get traction. Friends suggested a flywheel weight so I had my hubby install a 10 oz (recommended by Stealy website) and while it has a bit more chugging power it hasn't solved the tire spin. I literally tried a hill I should have no problem with for over an hour - as soon as I lost momentum and tried to work the clutch to keep the revs up, it would start spinning and I was done. If I hit the gas too hard on fairly flat terrain it spins out. Whats the deal? Hubby even disconnected the engine mapping so its not quite as peppy but hasn't helped. My confidence sucks now and I don't know if its me or the bike or both?! Any advice / suggestions / guidance on riding techniques or bike set up that might help!? Anyone else experience this?
  23. dirtbiker4life96

    KTM 125 SX (2005)

    0 comments

    Has great power. I ride trails, and it has no trouble going slow without bogging. It also has a great top end too. I love that it came with excel rims and vforce reeds from the factory.
  24. ThumperTalk

    KTM 125 SX 1999

    1 review

    MOTORCYCLE TYPE Enduro ENGINE SPECIFICATIONS Displacement (cc): 124 Cylinders: 1 Engine Stroke: 2 Speeds: 6 Speed TRANSMISSION SPECIFICATIONS Number of speeds: 6 Speed Dry Weight (lbs.): 208
  25. If someone wants to look at doing something different to make racing more interesting, how about getting rid of the semis and have two 15 lap mains in the 450 class. Less time coming through lappers, more time spent in races that are worth points.
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