CARBURETTOR REPAIR KIT VACUUM DIAPHRAGM MIKUNI CV BST40 1998-2007 KTM 640 LC4

The Mikuni CV BST40 Carburettor Repair Kit is a high-quality replacement set designed to restore functionality to the carburettor system in compatible KTM motorcycles. Engineered for durability and precision, the kit includes essential components required for proper fuel delivery and throttle operation.

Features

• Unmatched reliability and performance from high-tech materials
• Manufactured to exacting standards so the engine can be rebuilt with total confidence
• Meets or exceeds OEM quality
• Direct OEM replacement
• Please see image before ordering to avoid mistakes
• Best value for money
• Easy to install but if unsure please use a professional

Includes:

• Diaphragm for throttle valve
• Needle valve 2.8mm
• Gasket set BST40-225
• Idling jet

Cross-Reference OEM Part Numbers

• 58431028000 (Diaphragm for Throttle Valve)
• 58431020000 (Needle Valve 2.8mm)
• 58431099000 (Gasket Set Mikuni BST40-225)
• 58431007047 (Idling Jet)
• 58431007045 (Idling Jet)

Assemblies where 58431028000 is used

• 1998 640 LC4 - Carburettor Bst 40
• 1998 640 LC4-E/mil - Carburettor Bst 40
• 1999 640 LC4 - Carburettor Bst 40
• 2000 400 SXC - Carburettor Mikuni Bst 40
• 2000 640 Adventure R - Carburettor Bst 40
• 2000 640 Duke - Carburettor Bst 40
• 2000 640 LC4-E - Carburettor Bst 40
• 2000 640 LS-E/mil - Carburettor Bst 40
• 2001 400 LC4-E - Carburetor Bst 40
• 2001 640 Duke - Carburettor Bst 40
• 2001 640 LC4 Adventure - Carburettor Bst 40
• 2001 640 LC4-E - Carburettor Bst 40
• 2001 640 LC4-E Supermoto - Carburettor Bst 40
• 2002 640 Duke II - Carburettor Mikuni Bst 40
• 2002 640 LC4 - Carburettor Mikuni Bst 40
• 2002 640 LC4 Adventure - Carburettor Mikuni Bst 40
• 2002 640 LC4 Supermoto - Carburettor Mikuni Bst 40
• 2003 625 SXC - Carburettor Mikuni Bst 40
• 2003 640 Duke - Carburettor Mikuni Bst 40
• 2003 640 LC4 Adventure - Carburettor Mikuni Bst 40
• 2003 640 LC4 Enduro - Carburettor Mikuni Bst 40
• 2003 640 LC4 Supermoto - Carburettor Mikuni Bst 40
• 2004 400 LS-E/Mil - Carburettor Mikuni Bst 40
• 2004 640 Duke - Carburettor Mikuni Bst 40
• 2004 640 LC4 Adventure - Carburettor Mikuni Bst 40
• 2004 640 LC4 Enduro - Carburettor Mikuni Bst 40
• 2004 640 LC4 Supermoto - Carburettor Mikuni Bst 40
• 2005 640 Adventure - Carburettor Mikuni
• 2005 640 Duke - Carburettor Mikuni
• 2005 640 LC4 Enduro - Carburettor Mikuni
• 2005 640 LC4 Supermoto - Carburettor Mikuni
• 2006 640 ADVENTURE - Carburettor