vitality 50 2t 4t Workshop-manual : Page 173

Microfiches
Image preview

Page 171

Image preview

Page 172

Image preview

Page 174

Image preview

Page 175

1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 270 273
          12. CARBURETOR                                                                  VITALITY 50


 SERVICE INFORMATION (2-STROKE)
 GENERAL INSTRUCTIONS
 · When working with gasoline, keep away from sparks and flames..
 · Note the locations of O-rings when disassembling and replace them with new ones during
   assembly.
 · All cables, fuel lines and wires must be routed and secured at correct locations.
 · Bleed air from the oil lines whenever they are disconnected.


 SPECIFICATIONS                                                   VITALITY 50
 Setting mark                                                       PB168A
 Type                                                                PB 14
 Float level                                                         8.6mm
 Main jet                                                   #80 (Speed limit type: #72)
 Slow jet                                                               #35
 Air screw opening                                                  2 1/2  1/2
 Idle speed                                                        1850100rpm
 Throttle grip free play                                             26mm


 SPECIAL TOOL
 Float level gauge


 TROUBLESHOOTING
 Engine does not start                 Lean mixture
 · No fuel in tank                     · Clogged fuel jets                    · Faulty float valve
 · Too much fuel getting to cylinder   · Clogged fuel cap vent                · Float level too low
 · Clogged fuel filter                 · Clogged fuel filter                  · Clogged air cleaner
 · Clogged air cleaner                 · Bent, kinked or restricted fuel line


 Engine idles roughly, stalls or runs poorly                         Rich mixture
 · Incorrect idle speed            · Clogged air cleaner             · Faulty float valve
 · Ignition malfunction            · Intake air leaks                · Float level too high
 · Compression too low             · Fuel contaminated               · Clogged air jets
 · Incorrectly adjusted air screw  · Faulty reed valve
 · Incorrect float level           · Clogged fuel jets




                                                                                              12-2