The quality of the petrol and oil is extremely important to the running and life of the engine. Hi All: My Stihl FS Trimmer with it's 4-mix engine has become impossible to start, when cold. The carburetor starter in most cases does not function due to blockages. A forum community dedicated to all Hobbyists. Take care when opening the can as pressure may have built up inside. For a mixing ratio of 1 : 50 you need 5 litres of high-octane gas and 0.10 litres (100 ml) of STIHL two-stroke oil. Just a clarification, the spec is 0.10 mm or 0.004 inch. JavaScript is disabled. Hi All: My Stihl FS Trimmer with it's 4-mix engine has become impossible to start, when cold. For a mixing ratio of 1 : 50 you need 5 litres of petrol and 0.10 litres (100cm³) of STIHL two-stroke oil. Here are some examples on how to get a perfect 50:1 mix: - 1 bottle of 100ml STIHL Premium two-stroke engine oil + 5 L high octane gasolineOR- 1 bottle of 200ml STIHL Premium two-stroke engine oil + 10 L high octane gasolineOR- 1 bottle of 500ml STIHL Premium two-stroke engine oil + 25 L high octane gasoline. Learning how to mix your fuel properly is important in keeping your chainsaw in excellent condition over time. Your custom is extremely important to us and we would ask you to bear with us as we strive to fulfil your orders as soon as possible. Alteration Of The Hitachi Screwdriver Charger, Which Puncher Is Better Vertical Or Horizontal, By continuing to use our site, you accept our use of cookies. To mix the fuel, first pour the engine oil and then the gas into a suitable can approved for use with fuel. However, the machine only runs on choke. Reviews. It has those plastic caps on the carb screws so you basically can't turn anymore out. Filtered by mesh. The next day when I first started using it, it ran great, smooth all the way to WOT under load. It's neither 0.010 mm or 0.010 inch. I guess I need to work it harder and get more done. Setting the carburetor lawn mowers with the last screw is performed as follows: Interestingly, from the point of view of the author of the video, the setting (its correctness) is determined by the color of the candle, and not just by the speed and stability of the engine. make sure both valves are opening and closing and check the valve lash. I'm very happy with it picked it up today and sorted my 2 acres plus here. Just missed one on the local CL a while ago... We run wp synthetic in the 4 mixes at work and they run great. You might want to remove the valve cover and have a look at the valve operation. Air is blown through this hole. adjustment of the mixture at high speeds. Get a "Ratio Rite" or other mix measuring device, or buy the 2.6oz bottles of Ultra from your dealer to mix with one gallon (or the 5.2oz bottles for 2 gallons of mix, or the 6.5oz bottle for 2.5 gallons). The oxygen (air) flow rate depends on the cross-section (passage opening) of the diffuser. Immediately upon turning off the choke it dies. Take care when opening the can as pressure may have built up inside. Before any repair work is performed on a machine, a thorough evaluation should be made to determine what parts are actually in need of replacement or maintenance. The 130r at work had an issue with the gas line coming unplugged from the tank when we got it, 5 min fix back at the dealer. He stated that what I experienced was normal operation and that they have had several folks in with the same concern. I am sure Paul can post the specs for your trimmer. P.S. The correct setting of the carburetor with your own hands in this case is the combustion of the fuel mixture without residue, the color of the candle should be light brown. The Mix Stihl recommends using a mix of 50 parts gasoline and 1 part oil in its two-stroke weed trimmer engines. The pull-cord will come out about 8-10 inches, when attempting to start, using excessive pulling strength (in comparison to starting my other 2-stroke and 4-mix Stihl equipment. The principle of the carburetor lawn mowers, How to adjust a carburetor on a lawn mower, How To Insert A Bit Into A Screwdriver Video, How To Remove A Cartridge From A Vortex Screwdriver. $20.00. It vibrates alot at idle and will jump around on the ground. Take care when opening the can as pressure may have built up inside. Take care when opening the can as pressure may have built up inside. The engine, gaskets, fuel lines and fuel tank may be damaged if poor quality engine oil is used. Then turn back quite a bit, barely hearing a stable, smooth operation. A camera with a float adjusts the temporary volume of gasoline. Always use high-octane gasoline with a minimum octane number of 89 (we recommend using unleaded to protect your health and the environment). STIHL 4-MIX engine technology provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily. Take care when opening the can as pressure may have built up inside. Blowing off carburetor parts with a blockage of compressed air is an acceptable and convenient repair practice. Unsuitable fuels or mix ratios that do not comply with the specification can seriously damage the engine (piston seizing, excessive wear. $32.00. The tech took it into the back and did a minor carb adjustment.