Stihl SR 200 Product Instruction Manual - Page 16
Harness - fuel
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English Harness Disconnecting Harness from Backplate Fuel 373BA004 KN 373BA003 KN Adjusting the Harness 1 N Pull the ring (1) out of the slot. N Pull the ends of the straps downwards to tighten the harness. N Adjust the harness so that the backplate fits snugly and securely against your back. Loosening the Harness N Lift the tabs of the sliding adjusters. 2431BA007 KN This engine is certified to operate on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of 50:1. Your engine requires a mixture of highquality gasoline and two-stroke air cooled engine oil. Use mid-grade unleaded gasoline with a minimum octane rating of 89 ((R+M)/2) and no more than 10% ethanol content. Fuel with a lower octane rating may increase engine temperatures. This, in turn, increases the risk of piston seizure and damage to the engine. The chemical composition of the fuel is also important. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as well. This could cause running problems or even damage the engine. For this reason STIHL recommends that you use only high-quality unleaded gasoline! Gasoline with an ethanol content of more than 10% can cause running problems and major damage in engines and should not be used. The ethanol content in gasoline affects engine running speed - it may be necessary to readjust the carburetor if you use fuels with various ethanol contents. 14 SR 200
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