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New Crankshaft Main Bearing And Seal Kit Compatible With 2004-2019 Ktm 300 Exc Mxc Xc-W And

K066A2
OEM PART NUMBERS:
• KTM: 0625-3007-053 (Crankshaft Main Bearing — primary, 2x required per engine)
• KTM: 0760-30-42-7 (Crankshaft Oil Seal — primary)
• KTM: 0760-30-50-7 (Crankshaft Oil Seal — alternate)
• Catalog Kit Reference: K066

SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: KTM 250-300cc 2-Stroke Single-Cylinder Liquid-Cooled Engine Platform (Cross-Brand: KTM + Husqvarna under Pierer Mobility)
• Engine Displacement Range: 249cc / 293cc
• Bore × Stroke: 250cc 66.4mm × 72mm / 300cc 72mm × 72mm
• Engine Code: KTM 250-300 2-Stroke Engine Platform
• Year Range: KTM 250 SX 2003-2018 / KTM 250 EXC 2004-2011 / KTM 250 MXC 2008-2011 / KTM 250 SXS 2003-2004, 2006-2007 / KTM 250 XC 2006-2016 / KTM 250 XC-W 2006-2018 / KTM 250 XC-W TPI 2018-2019 / KTM 300 EXC 2004-2011 / KTM 300 MXC 2004-2011 / KTM 300 XC 2006-2018 / KTM 300 XC-W 2006-2018 / KTM Freeride 250 R 2015-2017 / Husqvarna TC250 2014-2019 / Husqvarna TE250 2014-2018 / Husqvarna TE250i 2018-2019 / Husqvarna TE300 2014-2018 / Husqvarna TE300i 2019 / Husqvarna TX300 2017-2019
• Cylinder Configuration: Single-Cylinder Inline 2-Stroke Liquid-Cooled with Reed Valve Induction and KTM Power Valve System (TVC — Twin Valve Control)
• Transmission: Manual 6-Speed
• Fuel Delivery: Mikuni TMX 38mm Carburetor (Carbureted Years) or KTM Transfer Port Injection (TPI Variants 2018+)
• Lubrication: 2-Stroke Premix (Carbureted) or Oil Injection (TPI)
• Kit Contents: 2x Crankshaft Main Bearings (Prelubed and Packaged with Waterproof Grease), 2x Crankshaft Oil Seals (Left and Right) with Sealing Lip
• Models Covered: KTM 250 SX, EXC, MXC, SXS, XC, XC-W, XC-W TPI / KTM 300 EXC, MXC, XC, XC-W / KTM Freeride 250 R / Husqvarna TC250, TE250, TE250i, TE300, TE300i, TX300
• Use: Compatible with KTM/Husqvarna OEM and Hot Rods aftermarket crankshafts
• Condition: New

APPLICATIONS:
• KTM 250 SX 2-Stroke 249cc Motocross (2003-2018)
• KTM 250 EXC / SXS / MXC / XC / XC-W / XC-W TPI / Freeride 250 R variants
• KTM 300 EXC / MXC / XC / XC-W 2-Stroke 293cc (2004-2018)
• Husqvarna TC250 / TE250 / TE250i / TE300 / TE300i / TX300 (2014-2019)
• Cross-platform engine shared across KTM and Husqvarna under Pierer Mobility ownership

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Description

KTM 250 SX MOTOCROSS — 249cc 2-Stroke Single-Cylinder Liquid-Cooled (2003-2018):
• KTM 250 SX 249cc 2-Stroke Single-Cylinder Liquid-Cooled Motocross (2003-2008, Early Production Era)
• KTM 250 SX 249cc 2-Stroke Motocross (2009-2014, Mid-Production Era)
• KTM 250 SX 249cc 2-Stroke Motocross (2015-2018, Late Production Era)
• KTM 250 SX 66.4mm Bore × 72mm Stroke 2-Stroke 6-Speed Race-Spec Motocross
• Mikuni TMX 38mm Carburetor, KTM TVC Power Valve System

KTM 250 EXC / SXS / MXC ENDURO/SPECIAL VARIANTS:
• KTM 250 EXC 249cc 2-Stroke Enduro (2004-2011)
• KTM 250 SXS 249cc 2-Stroke Suspension/Special Factory Model (2003-2004, 2006-2007)
• KTM 250 MXC 249cc 2-Stroke US-Market Off-Road (2008-2011)

KTM 250 XC / XC-W / XC-W TPI OFF-ROAD VARIANTS:
• KTM 250 XC 249cc 2-Stroke US-Market XC Off-Road (2006-2016)
• KTM 250 XC-W 249cc 2-Stroke Cross-Country Wide-Ratio Off-Road (2006-2018)
• KTM 250 XC-W TPI 249cc 2-Stroke Transfer Port Injection Fuel-Injected (2018-2019)

KTM 300 EXC / MXC / XC / XC-W — 300cc 2-Stroke (2004-2018):
• KTM 300 EXC 293cc 2-Stroke Enduro (2004-2011, Original 300cc EXC Production Run)
• KTM 300 MXC 293cc 2-Stroke US-Market Off-Road (2004-2011)
• KTM 300 XC 293cc 2-Stroke US-Market XC Off-Road (2006-2018, Long-Running 300cc Variant)
• KTM 300 XC-W 293cc 2-Stroke Cross-Country Wide-Ratio Off-Road (2006-2018)
• 300cc 72mm Bore × 72mm Stroke

KTM FREERIDE 250 R LIGHTWEIGHT TRAIL (2015-2017):
• KTM Freeride 250 R 249cc 2-Stroke Single-Cylinder Liquid-Cooled Lightweight Trail / Enduro (2015-2017)
• Same engine bottom-end as 250 SX/EXC/XC platform

HUSQVARNA TC250 / TE250 / TE250i / TE300 / TE300i / TX300 (2014-2019):
• Husqvarna TC250 249cc 2-Stroke Motocross (2014-2019, Husqvarna's Rebadged KTM 250 SX Following Pierer Mobility's Acquisition of Husqvarna)
• Husqvarna TE250 249cc 2-Stroke Enduro (2014-2018, Husqvarna's Rebadged KTM 250 XC-W)
• Husqvarna TE250i 249cc 2-Stroke TPI Fuel-Injected Enduro (2018-2019)
• Husqvarna TE300 293cc 2-Stroke Enduro (2014-2018, Husqvarna's Rebadged KTM 300 XC-W)
• Husqvarna TE300i 293cc 2-Stroke TPI Fuel-Injected Enduro (2019)
• Husqvarna TX300 293cc 2-Stroke Cross-Country (2017-2019)
• Same engine bottom-end across all Husqvarna 2-stroke 250/300 variants (Pierer Mobility shared platform)

NOTES:
• Compatible with KTM/Husqvarna OEM crankshafts and aftermarket Hot Rods replacement crankshafts
• Covers the entire KTM 250-300cc 2-stroke single-cylinder engine family — KTM's flagship enduro/motocross engine platform
• 250 SX has been in production since 2003 (22+ years through current production)
• 300 EXC / 300 XC-W = KTM's most popular enduro engine displacement
• 2018-2019 introduced TPI (Transfer Port Injection) fuel-injected versions — same crankshaft architecture
• Pierer Mobility owns KTM (long-term) and Husqvarna (since 2013) — shared engine platform
• Quality alternative to expensive KTM/Husqvarna OEM main bearings and crankshaft seals
• Recommended for any bottom-end rebuild, crankshaft replacement, or seal-out repair
• Bearings prelubed and packaged with waterproof grease; crank seals feature sealing lip designed to reduce crank pin wear
• 6-speed transmission, reed valve induction, KTM TVC Power Valve System

Details

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  • Item Requires Shipping
  • 2.0 lbs.
  • W9.0000” x H0.8000” x L12.0000”
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