dinkstreet 125 Workshop-manual : Page 141

          12. COOLING SYSTEM                                                                   Downtown 125 i


 SPECIFICATIONS
  Radiator cap relief pressure                         90 kPa (0.9 kgf/cm2, 12.8 psi)
                            Begins to open             80 - 82°C (176 - 180°F)
  Thermostat temperature Full-open                     90°C (198°F)
                            Valve lift                 3.5 mm (0.14 in) minimum
  Coolant capacity          Radiator and engine        0.87 liter
                               Reserve tank            0.49 liter
 Standard coolant concentration                        1:1 mixture with soft water

 COOLANT GRAVITY
         Temp. 
 Coolant             0       5       10      15      20      25      30      35      40      45      50
 concentration
        5%          1.009   1.009   1.008   1.008   1.007   1.006   1.005   1.003   1.001   0.009   0.997
       10%          1.018   1.107   1.017   1.016   1.015   1.014   0.013   1.011   1.009   1.007   1.005
       15%          1.028   1.027   1.026   1.025   1.024   1.022   1.020   1.018   1.016   1.014   1.012
       20%          1.036   1.035   1.034   1.033   1.031   1.029   1.027   1.025   1.023   1.021   1.019
       25%          1.045   1.044   1.043   1.042   1.040   1.038   1.036   1.034   1.031   1.028   1.025
       30%          1.053   1.051   1.051   1.049   1.047   1.045   1.043   1.041   1.038   1.035   1.032
       35%          1.063   1.062   1.060   1.058   1.056   1.054   1.052   1.049   1.046   1.043   1.040
       40%          1.072   1.070   1.068   1.066   1.064   1.062   1.059   1.056   1.053   1.050   1.047
       45%          1.080   1.078   1.076   1.074   1.072   1.069   1.056   1.063   1.062   1.057   1.054
       50%          1.086   1.084   1.082   1.080   1.077   1.074   1.071   1.068   1.065   1.062   1.059
       55%          1.095   1.093   1.091   1.088   1.085   1.082   1.079   1.076   1.073   1.070   1.067
       60%          1.100   1.098   1.095   1.092   1.089   1.086   1.083   1.080   1.077   1.074   1.071

 COOLANT MIXTURE (WITH ANTI-RUST AND ANTI-FREEZING EFFECTS)
   Freezing Point        Mixing Rate      KYMCO SIGMA Coolant Concentrate Distilled Water
      -9                    20%
      -15                   30%
      -25                   40%
      -37                   50%
      -44.5                 55%

 Cautions for Using Coolant:
 · Use coolant of specified mixing rate.
 · Do not mix coolant concentrate of different brands.
 · Do not drink the coolant which is poisonous.
 · The freezing point of coolant mixture shall be 5lower than the freezing point of the riding
   area.




                                                                                                     12-2