Mikuni Bds26 Service Manual ((new)) Jun 2026

Safety Warning: Work in a well-ventilated area, away from open flames. Disconnect the fuel line and vacuum line.

Look for a ring of wear on the tip of the float needle. If it is not perfectly conical, replace it.

The BDS28 is a 28mm version of this carburetor, used on some European/Canadian market bikes like the XJ600 Diversion. The BDS28 has a dry float height specification of 11-13mm (vs 6.2-8.2mm for the BDS26). mikuni bds26 service manual

Use a vernier caliper to measure the distance from the mixing chamber gasket surface (without the gasket installed) to the highest point of the float profile.

[ Carburetor Body (Inverted) ] --------------------------------- | | | (Hinge Pin) | |=======O===========| / \ / \ <-- Float Arm [ ] [Float] <------------ Measure Distance Here [ ] --------------------------------- [ Float Bowl Gasket Surface ] Safety Warning: Work in a well-ventilated area, away

Target a factory height of (or your specific model's manual variance).

This comprehensive guide is designed to serve as a , covering the overhaul, adjustment, and troubleshooting of these common CV (Constant Velocity) carburetors. If it is not perfectly conical, replace it

Carefully bend the small metal tang on the float to reach the correct height. Step 4: Reassembly