Mikuni Bs26 Carburetor Manual Verified Repack Official

Many online guides incorrectly suggest inverting the carburetor fully. The specifies a 30° angle (float tang just touching the needle spring tip, not compressing it). Full inversion compresses the spring and gives a false reading (~11 mm vs correct 13 mm), causing a lean condition.

| Component | Suzuki GSX250 | Kawasaki ZZR250 | Bajaj Pulsar 220 | |-----------|---------------|-----------------|------------------| | | #97.5 | #102 | #115 | | Pilot Jet | #35 | #38 | #40 | | Jet Needle | 5D28 (clip 3rd) | 5C30 (clip 2nd) | 6F24 (clip 3rd) | | Needle Jet | P-2 (O-2) | P-4 (O-4) | P-6 | | Pilot Screw (turns out) | 1.5 – 2.0 | 2.0 – 2.5 | 2.0 | | Float height (mm) | 13.0 ± 1 | 14.5 ± 1 | 12.8 ± 1 | mikuni bs26 carburetor manual verified

: Controls engine idle and initial throttle opening. | Component | Suzuki GSX250 | Kawasaki ZZR250

Provides a richer mixture for cold starts. Verified Tuning Specifications Pilot (Air/Fuel) Screw Initial Setting : Start at 2 to 2

Proper tuning requires the engine to be at operating temperature and the bike to be upright. Pilot (Air/Fuel) Screw Initial Setting : Start at 2 to 2.5 turns out from lightly bottomed. Fine Tuning

: Mikuni genuine jets are stamped with a square symbol. Aftermarket "Mikuni-style" jets often vary by 5-10% – always use genuine Keihin or Mikuni.