• -18.34%
Piston coulé PROX
Piston PROX – KTM 50 SX PRO JUNIOR / PRO SENIOR LC 2001-2008
Piston PROX – KTM 50 SX PRO JUNIOR / PRO SENIOR LC 2001-2008
Piston coulé PROX
Piston PROX – KTM 50 SX PRO JUNIOR / PRO SENIOR LC 2001-2008
Piston PROX – KTM 50 SX PRO JUNIOR / PRO SENIOR LC 2001-2008

Piston PROX – KTM 50 SX PRO JUNIOR / PRO SENIOR LC 2001-2008

PROX
01.6012.B
Shipped the 24/09/2026
€47.84 €58.58 -18.34%
Tax included

PROX aluminium cast piston for KTM 50 SX PRO JUNIOR / PRO SENIOR LC (2001-2008). Ø39.47 mm, oversize +0.01, B code. 2-stroke design with domed head, valve machining, and 2 intake passages, plus Mos2 skirt treatment for durability.

  • Precise Ø39.47 mm for optimal clearance
  • Oversize +0.01, B surcote
  • 2T piston with domed head and machined valve seats
  • Mos2 skirt treatment for longevity
  • Compatibility: KTM 50 SX PRO JUNIOR / PRO SENIOR LC 2001-2008
Stock availibility Yes

 

The PROX 01.6012.B is a cast aluminum piston for 2-stroke KTM engines KTM 50 SX PRO JUNIOR and PRO SENIOR LC (2001-2008). Designed to maximize power, reliability and efficiency, it features a +0.01 oversize with B mark, a precise Ø39.47 mm and a domed head with valve machining, plus Mos2 skirt treatment for durability.

Key features and benefits:

  • Material: Aluminum
  • Piston type: Cast
  • Diameter Ø: 39.47 mm
  • Oversize: +0.01; Mark: B
  • Timing: 2T
  • Specialty: Domed head, valve seat machining, 2 intake passages, Mos2 skirt treatment
  • Compatibility: KTM 50 SX PRO JUNIOR / PRO SENIOR LC (2001-2008)

Customer benefits:

  • Increased power and throttle responsiveness
  • Enhanced durability and sealing for longer service intervals
  • Precision fit for easy installation and reliable operation
Compatibilités véhicule
Modèles compatibles vérifiés
10
KTM 2001-2005
Voir tous les modèles compatibles
2005 KTM 50 SX PRO JUNIOR LC 2005 <2005><EU><6001E3> 50cc KTM 50 SX PRO SENIOR LC 2005 <2005><EU><6001E4> 50cc
2004 KTM 50 SX PRO JUNIOR LC 2004 <2004><EU><6001D3> 50cc KTM 50 SX PRO SENIOR LC 2004 <2004><EU><6001D4> 50cc
2003 KTM 50 SX PRO JUNIOR LC 2003 <2003><EU><600133> 50cc KTM 50 SX PRO SENIOR LC 2003 <2003><EU><600134> 50cc
2002 KTM 50 SX PRO JUNIOR LC 2002 <2002><EU><600123> 50cc KTM 50 SX PRO SENIOR LC 2002 <2002><EU, US><600124> 50cc
2001 KTM 50 SX JUNIOR 2001 <2001><EU><600111> 50cc KTM 50 SX PRO SENIOR LC 2001 <2001><EU><600114> 50cc

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