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Various solutions possible:•Diaphragm plate does not close............> Replace•Exhaust clogged by oil or grease.......> Blow through or replace Mixing ratio one to 100•Cylinder exhaust port caked.....> Clean•Piston piston ring seized.......> Replace•Deco valve remains open..........> Replace•Crankshaft seal loose from its seat...> Replace. No longer possible for engines with 499 imprint.
Technical data motor Sachs 301/A 301/AB
Type one cylinder 2-stroke Otto engineCooling system Air cooling by driving windCylinder capacity 30cm³Bore Ø 33mm.Stroke 36mm.Compression 7.5Power 0.5kW (0.7HP) at 3750/min.Engine lubrication Two-stroke mixture, premium gasoline with synthetic two-stroke oil in
the ratio 1:100Drive by means of gearsCrankcase lubrication 70 cm³ resp. 90 cm³ Sachs transmission oilClutch Centrifugal clutch in crankshaft sideIgnition Electronic contactless magnet ignition (maintenance free)Ignition timing 1.0 ± 0.2 mm.(17°) for b.d.p.Space between ignition coil and flywheel 0.4 mm.Spark plug BOSCH WR 10 FC or Champion RJI2YCElectrode distance 0.5 mm.
BING single carburetor Ø8mm. with starter device and fuel tap BING no. 81/8/101 jet 42 -or- SACHS single carburetor Ø8mm. with starter device and fuel tap TK nozzle 48
Idle speed 2300...2500/min.Air filter Paper filter in suction mufflerStarting system Manual starter with cable pullE-start (battery and starter motor + manual start)
The fuel for the SPARTAMET.
The mixed lubrication for the SPARTAMET is easy to mix yourself. You use EURO 98 super petrol and synthetic two-stroke oil for this. Mixing ratio is 100 parts gasoline to 1 part oil. (1:100). This is not what is sold as a mixed lubricant at the petrol station. This mixing lubrication is mixed 1:50, so it is fatter. Mixing can be done in the tank or in a jerry can.
Mix in the tank. Put 1 liter of petrol in the tank and add 10 ml of oil. Shake bike a few times to mix.
Mix in the jerry can. Put 5 liters of petrol in the jerry can and add 50 ml of oil. Shake jerry can well. Pour mixture into the tank. Shake the jerry can well before each tank. Text from instruction booklet "SPARTAMET & RABBIT". The mixing ratio of the oil to the petrol depends on the extent to which you use your spartamet or rabbit. For intensive use, it is best to choose a rich mixing ratio of up to 1:50. (Possibly you can fill up with two-stroke mixed lubrication during a long ride if you have not taken any oil with you.) If you use the moped little or mainly for short rides (± 5 km.), then choose a poor mixing ratio of 1:100. In this way you prevent excessive pollution of the engine. With a poor mixing ratio, it is better to use leaded super gasoline (or with a lead substitute) instead of unleaded. This benefits the starting and driving performance of your light moped.
Bad start. Put on 10x.....
This is often caused by the adjustment of the air gap of the coil in relation to the flywheel. This is then too big. Solution: adjust gap to 0.3mm. If you don't have a feeler gauge, it can also be done with 8 sheets of paper from the printer. Loosen the bobbin and put the 8 sheets between flywheel and bobbin. Clamp the spool against the flywheel and tighten it securely. Paper out and ready..... Attention!!! No smaller gap than 0.3mm because then the coil will run and then it will burn.