Mikuni Bds26 Service Manual [new] Online

, which typically include new O-rings, gaskets, and needle valves. Mikuni BDS26 Carburetor Specifications | PDF - Scribd

Essential for preventing fuel overflow; for the Seca II, the dry factory specification is 6.2mm to 8.2mm . Idle RPM: Generally set between 1,450 and 1,550 RPM . 2. Routine Maintenance & Cleaning

Let’s extract the core service procedures directly from a typical Mikuni BDS26 service manual. These steps assume you have the manual’s torque and measurement tables in front of you. mikuni bds26 service manual

Standard sizes range from #87.5 to #90 depending on the cylinder (front/rear). Pilot Jet: Typically #20.

| Ref # | Part Name | Torque Spec (in-lbs) | Wear Limit | |--------|----------------|----------------------|-------------| | 1 | Vacuum Piston Assembly | N/A (hand-fit) | Scratches >0.2mm deep | | 2 | Diaphragm | N/A | Any tear, pinhole, or hardening | | 3 | Jet Needle (5D12-3) | N/A | Bend >0.1mm | | 4 | Main Jet (#125-#145) | 12-15 | Oval orifice | | 5 | Pilot Jet (#35-#42.5) | 10-12 | Clogged cross-drilled holes | | 6 | Float & Needle Valve | 7-9 | Float height out of spec | , which typically include new O-rings, gaskets, and

Worn shaft bushes allow air leaks. No repair kit exists – must be machined and bushed.

Pay special attention to the tiny holes near the throttle butterfly valve. These are critical for a steady idle. Step 3: Inspection and Float Height Standard sizes range from #87

: Use a well-fitting flat-head screwdriver to remove the Main Jet , Pilot Jet , and Needle Jet .