Vertex Complete Engine Rebuild Kit – KTM 65 SX (2003–2008) (WR101-054 / 0903-0992)

Description

Bring your mini KTM back to life with the Vertex WR101-054 Complete Engine Rebuild Kit (0903-0992)—a full top-and-bottom-end rebuild solution for all 2003–2008 KTM 65 SX models. Engineered by Vertex Pistons and Hot Rods, this kit includes every precision-matched component required to restore compression, smooth shifting, and reliable race-day power.

Perfect for youth racers, weekend rebuilds, or full engine overhauls, this all-inclusive package saves time and guarantees OEM-level fit and performance.

What’s Included

✅ Hot Rods heavy-duty crankshaft (stock stroke with wrist-pin bearing)
✅ Vertex piston kit (piston, rings, pin & clips)
✅ Complete engine gasket set (top & bottom end)
✅ Oil seal kit
✅ Main bearing and seal kit
✅ Transmission bearing kit (with output-shaft collar and sprocket lock washer)
✅ Counter-balancer bearing kit
✅ Water pump bearing and seal kit
✅ Countershaft seal kit
✅ Wrist-pin bearing

Fitment

📦 Fits:

• 2003 KTM 65 SX

• 2004 KTM 65 SX

• 2005 KTM 65 SX

• 2006 KTM 65 SX

• 2007 KTM 65 SX

• 2008 KTM 65 SX

(Fits all 65 cc 2-stroke KTM SX engines using the 2003-2008 crankcase and cylinder platform.)

Key Features

• OEM-quality complete rebuild kit for KTM 65 SX 2-stroke engines

• Includes crankshaft, piston, bearings, gaskets & seals

• All-in-one solution for top and bottom end rebuilds

• Vertex piston & Hot Rods components for long-term durability

• Perfect for race maintenance or engine restoration

Warranty Info

Manufactured by Vertex / Wrench Rabbit.
Warranty and technical support provided directly through Vertex or Wrench Rabbit.

Price & SKU

💲 Retail Price: $658.95
SKU: WR101-054 / 0903-0992
Estimated Shipping Weight: 7.65 lb
Handling: Ships next business day