mxu 250 300 2 Werkstatthandbuch : Seite 84

Microfiches
Image preview

Seite 82

Image preview

Seite 83

Image preview

Seite 85

Image preview

Seite 86

1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 300 305 310 315 320 325 330 335 340 345 350 352
          5. FUEL SYSTEM                                                                  MXU 300/250


 TROUBLESHOOTING
 Engine cranks but won't start                 Engine lacks power
 · No fuel in tank                             · Clogged air cleaner
 · No fuel to carburetor                       · Faulty carburetor
 · Cylinder flooded with fuel                  · Faulty ignition system
 · No spark at plug
 · Clogged air cleaner                         Lean mixture
 · Intake air leak                             · Clogged carburetor fuel jets
 · Improper throttle operation                 · Float level too low
                                               · Intake air leak
 Engine idles roughly, stalls or runs poorly   · Clogged fuel tank cap breather hole
 · Excessively used choke                      · Kinked or restricted fuel line
 · Ignition malfunction
 · Faulty carburetor                           Rich mixture
 · Poor quality fuel                           · Float level too high
 · Lean or rich mixture                        · Clogged air jets
 · Incorrect idle speed                        · Clogged air cleaner

 Misfiring during acceleration
 · Faulty ignition system
 · Faulty carburetor



 Backfiring at deceleration
 · Float level too low
 · Incorrectly adjusted carburetor
 · Faulty exhaust muffler




5-3