Get Out And Ride with Big Deals on Parts for Your Ride. Shop Now
CLOSE
Shipping to US Flag United States
Free shipping over $79
Extra 10% Off Select Clearance Use Code EXTRA10 At Checkout! Shop Now

2003 KTM 125SXS New Parts Engine

Set this as my ride
New Parts Engine

WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov.

  • # Part Retail Our Price
    Stock Status Suggested Quantity
  • 49
    SXS03125001 cylinder 125 sxs 03
    This part is currently unavailable.
  • 51
    SXS02125010 sxs cylinder head kit INCL. ALL INSERTS
    This part is currently unavailable.
  • 52
    SXS02125003 cylinder head 125 sxs 02
    This part is currently unavailable.
  • 53
    Expected to Ship in 4-9 Days
  • 54
    SXS02125002 combust.-chamb.insert 11,4 02
    This part is currently unavailable.
  • 54
    SXS02125004 combust.-chamb.insert 11,7 02
    This part is currently unavailable.
  • 54
    SXS02125005 combust.-chamb.insert 12 02
    This part is currently unavailable.
  • 57
    SXS02125040 reed valve assy cpl.v-force 02
    This part is currently unavailable.
  • 58
    SXS02125041 reed valve set 125 sxs 2002
    This part is currently unavailable.
  • 59
    54630098050 gasket for reed valve plate Retail: $11.69 Price: $10.17
    Expected to Ship in 4-9 Days
  • 60
    Expected to Ship in 4-9 Days
  • 65
    SXS03125025 ignition cover carbon 125 03 Retail: $141.64 Price: $127.48
    Expected to Ship in 4-9 Days
  • 69
    Expected to Ship in 4-9 Days
  • 70
    SXS01125054 main shaft 14-t 125 sxs
    This part is currently unavailable.
  • 71
    SXS01125053 sliding gear 3/4.gear 19/21t
    This part is currently unavailable.
  • 72
    SXS02125055 solid gear 2nd g. 16-t 125 sxs
    This part is currently unavailable.
  • 73
    SXS01125056 idle gear 2ng g. 30-t 125 sxs
    This part is currently unavailable.
  • 74
    50333005400 sliding gear 6th gear sx 2003 Retail: $80.88 Price: $74.88
    Call for Availability
  • 75
    SXS01125052 idler gear 4th gear 28-t
    This part is currently unavailable.
  • 76
    SXS01125051 idler gear 3rd gear 29-t
    This part is currently unavailable.
  • 77
    SXS01125057 idler gear 1st gear 31-t
    This part is currently unavailable.
  • 80
    SXS00125600 radiator l/s sxs 125 2001
    This part is currently unavailable.
  • 81
    SXS00125601 radiator r/s sxs 125 2001
    This part is currently unavailable.
  • 82
    58035016000 radiator cap small 20,3 psi Retail: $26.13 Price: $22.99
    In Stock
  • 83
    5903504000030 radiator protection black 06 Supersedes: 59035040000 (RADIATIOR PROTECTION 03) Price: $9.00
    In Stock

OEM KTM Motorcycle Parts

When you need genuine OEM KTM motorcycle parts, look no further than MotoSport. Not only do we stock the finest selection of KTM motorcycle parts on the web - but if you're partial to keeping all the parts on your motorcycle direct from KTM, we've got you covered.

Original Equipment Manufacture - OEM Parts

We know them as OEM parts but how many could rattle off what OEM stands for when asked? Original Equipment Manufacturer. An easier way? Stock motorcycle parts. Either way, we carry the OEM motorcycle parts you need to stay on two wheels without having to hop from site to site or store to store. We offer OEM motorcycle parts from all the top motorcycle manufacturers:

OEM Dirt Bike Parts

In addition to OEM motorcycle parts we also carry all the major manufacturers for OEM dirt bike parts. While most dirt bike riders upgrade to aftermarket parts, some amateur racing classes require OEM dirt bike parts, a number of dirt bike parts are only available as OEM, and yes a few riders prefer keeping their rides together with 100 percent OEM dirt bike parts. Wherever you fall, you can find all the OEM dirt bike parts you need to ride the track or trails:

What makes MotoSport the place to go for all your OEM motorcycle needs? How about the largest in-stock inventory of parts, gear and accessories? Or that we offer free shipping on orders more than $79? and ship most orders the same day? Couple that with the lowest prices on motorcycle parts, gear, tools, accessories and all those OEM motorcycle parts, it's clear that it doesn't take much to get a lot from us.

OEM Parts Fiche

Searching for OEM motorcycle parts is easy and convenient thanks to the options we provide to locate your part by category and the available diagrams and schematics so you can be sure you're getting exactly what you need. The interactive OEM fiche in each section, whether you need OEM parts for your motorcycle, dirt bike or ATV, provides information like how many parts you need to complete a rebuild of that section and quick access to add the items to your cart for checkout without having to leave the page you're looking at - making the whole process of shopping for OEM motorcycle parts easier than anywhere else.

Get the parts you need fast and orders more than $79 ship free. Need help finding the right OEM parts for your ride? We never want you to miss a ride so call us on our toll free line 1-888-676-8853 for fast, friendly service from an experienced gearhead. Make MotoSport.com your first choice for OEM motorcycle and dirt bike parts.

Added to your cart
CLOSE