03.6104 Pro-X Connecting Rod Kit for KTM SX 105 SX105 2004-2011
03.6104 Pro-X Connecting Rod Kit for KTM SX 105 SX105 2004-2011
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Connecting Rod Kit for KTM
This Pro-X connecting rod kit for KTM SX 105 models is a complete bottom-end replacement assembly that restores proper crank geometry and smooth engine operation. It serves as an aftermarket alternative to OEM number 03.6104 for riders rebuilding the top and bottom end of their SX105 machine.
Overview
This Pro-X connecting rod kit for KTM is built to replace worn rod and bearing components inside the crankcase of the SX 105. The kit for KTM supplies the rod, bearing, and related hardware needed when a rebuild calls for fresh bottom-end parts. It suits riders and mechanics handling a full engine refresh on 2004 through 2011 SX105 models.
Built For Performance
- Complete rod kit assembly with connecting rod, bearing, and thrust washers
- Forged and heat-treated rod construction for high-rpm strength
- Precision-ground big end bore for accurate crank pin fit
- Aftermarket replacement matched to OEM reference 03.6104
- Balanced for smooth operation through the rev range
- Designed specifically for the KTM SX 105 engine platform
Fits These Machines
- for KTM SX 105 2004
- for KTM SX 105 2005
- for KTM SX 105 2006
- for KTM SX 105 2007
- for KTM SX 105 2008
- for KTM SX 105 2009
- for KTM SX 105 2010
- for KTM SX 105 2011
On-The-Job Use
- Bottom-end rebuilds during a scheduled engine refresh
- Crank assembly service after bearing wear or rod play
- Race bike preparation where bottom-end reliability matters
- Shop repairs on KTM SX 105 two-stroke engines
- Rebuilding a spare crank for quicker swap during race weekends
Specs At A Glance
| Part Number(s) | 03.6104 |
| Type | Connecting rod kit |
| Fitment | for KTM SX 105 |
| Years | 2004-2011 |
| Brand | Pro-X |
Good To Know
Q: Does this kit include everything needed for the rod replacement? A: The kit supplies the connecting rod, bearing, and related small components as packaged by the manufacturer. Check the listing contents against your service manual before starting the rebuild.
Q: Is this an original KTM part? A: No, this is an aftermarket Pro-X kit made for KTM SX 105 engines. It is referenced against OEM number 03.6104 for fitment guidance only.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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