Lectron Legacy Carburetor for KTM, Husaberg, Husqvarna & Beta




Lectron Legacy Carburetor – Husqvarna & KTM Carburetor

Winners choose Lectrons Legacy carburetor because quality, innovation, and design make these Husqvarna & KTM carburetors superior to any others available on the market. Lectron’s product depth and experience range from providing the quickest Hayabusa in the world with our new Injectrons (EFI Throttle Bodies) to equipping the dirt bike enthusiast with unparalleled throttle response, power and fuel economy with our new modified dirt bike Husqvarna & KTM carburetors.

The Lectron Legacy carburetor is your performance option for dirt bikes. Shop Slavens Racing today for all your Lectron Carburetor needs!

  • Tapered bore
  • Jetless (no jets)
  • Automatically compensates for elevation and temperature changes
  • Increases fuel economy
  • Smoother power delivery than stock Keihin
  • Increased performance
  • Machined for the perfect fit for each model (see drop-down menu)We-Ship-Worldwide
  • Pre-tuned for each specific model & application including snow bikes
  • Made in the U.S.A.
  • Available in 30, 36, 38mm tapered bore
  • Other sizes available upon request

NOTE: All  kits come with a throttle cable

Fitments for:
’04-’16 KTM 125/150 SX/XC (38/39mm Keihin – stock)
’98-’06 KTM 200 (38mm Keihin  – stock)
’07-’16 KTM 200 (36mm Keihin – stock)
’98-’05 KTM 250 SX (38mm Keihin – stock)
’06-’16 KTM 250 SX (36mm Keihin – stock)
’98-’03 KTM 250/300 MXC/EXC (38mm Keihin – stock)
’04-’16 KTM 250/300 XC/XCW/EXC/6D (36mm Keihin – stock)
’14-’18 KTM Freeride 250 (28mm Keihin – stock) Remote choke included

’14-’16 Husqvarna TE/TC 250/300 (36mm Keihin – stock)

’11-’14 Husaberg TE/TC 250/300 (36mm Keihin – stock)

’13-’18 Beta 250/300rr (36mm Keihin – stock) Race Models Only 

SIZES: We recommend using the stock size for most applications. For MX or high-speed desert you may consider a 38mm for increased top-end performance.


  • Throttle cable upgrade is required for carburetor installation on ALL models listed above. The O.E.M. dimension cable (including the longer Motion Pro cable) WILL NOT WORK. The inner cable is too short.
  • +1 = Throttle Cable Length (stock route of cable) +3= Throttle Cable Length (in front of handlebars behind number plate/headlight)

Return policy: If you put fuel in the carburetor it is considered a used product and there will be a restocking fee.



I bought a Lectron from you for my 2015 KTM 300 XC this week.  I live in Georgia.

Mounted it up without issue and the bike started first kick and instantly I felt it running better than ever.  It runs so cleanly now and it pulls off idle like no 300 I have ever ridden. Power is instant and perfectly metered. It pulls and pulls. It is a torque monster over stock.  I love it!!

I have been riding dirt bikes for over 40 years and in that time I have never bought an aftermarket product that makes as much of a positive change as this carb does.  There is not a single drawback or trade-off.

Oh, I did have to lower the idle screw like 1/8th turn. Lol. 


Brad G.

Newnan GA


Message: Mr Slavens, I have just purchased one of these items and thought I needed to share my experience. You’ll be pleased to know, despite being a Kiwi (New Zealander) and tinkering is a natural habit, I resisted the urge after hilariously reading your instructions and gathering there was nothing to tinker with that could cause good things to happen. For those that are slow readers I’ll cut to the chase, the bloody thing is brilliant, does what it says on the box (even without tinkering?) and I’d highly recommend. But then I knew that because you have recommended it and so far….. Ring ominous bell….. you’ve not been wrong!! It took a mere 20mins to install and most of that was the new throttle cable. I adjusted, touched or fiddled with nothing, absolutely nothing not even idle and the bike started second kick (it is due for a new top end ) and idled perfectly. Today I gave the damn thing a good test ride with 4-5 hours of mostly tight and very technical stuff, but also including WOT sections and “Oh my god I am gonna die” rhythm sections at speed. I believe you promised me the same if not better low end and significantly more top end with this carb (being a 38 over a 36 standard, you’d sort of hope so). I might be over stating your warranty ), but no less it delivered, in my opinion, more bottom end and the top…. should come with a warning on the box, my right arm is held on with bolts and sticky tape (I’m sure that is what the surgeon called it) and it certainly felt like I needed to get some enforcement work done on that after today’s fast sections. Thank you, sir, for yet another great product, great fast (to the other side of the world) service and as always great grin factor. Although you have left me with a twitch as I resist the urge to fiddle), there is no way I will be wanting to mess up that sweet fueling. P.S. more than happy for you to use this anyway you feel fit. You and your team have earned it.

Greg A.
Titirangi, NEW ZEALAND

Availability: In stock

Ships: Worldwide