Mikuni O-RING HSR42/45 AND TMR42/45 Universal CarburettorRef : MK00455A / 1010603

Replacement O-ring designed for Mikuni HSR42/45 and TMR42/45 carburetors. Genuine Mikuni part (ref. 616-33003), this O-ring restores the sealing of assemblies during interventions on the carburetor body. Essential for regular maintenance, it helps prevent fuel leaks and unwanted air ingress that disrupt carburetion.

• Manufacturer reference: 616-33003
• Designation: Carburetor O-ring HSR42/45 and TMR42/45
• Brand: MIKUNI
• Category: Carburetor
• Compatibility: Designed for Mikuni HSR 42/45 and TMR 42/45 models
• Recommended use: Replacement during disassembly, revision, or in case of leaks

Before installation, carefully clean the seating surfaces and check the condition of the seats. To facilitate installation, lightly lubricate the O-ring with some clean gasoline or suitable lubricant — avoid using pliers that could damage the rubber. A useful spare part for riders concerned about stable carburetion and reliable engine operation.