The plug thread is 14mm, check out E Bay for a 14mm heli coil kit, they come with instructions on how to use, practice on an old cylinder first if you have one.
SOURCE: Stihl 021. Starts but will not
Hi scooterbu850,
You indicate you replaced the carburetor kit, did you check for dirt and clean the carb and install the kit very carefully, and make sure all the gaskets on the carb and between the intake and carb have no air leaks? The first thing is to try to adjust the low speed screw to give you a faster idle, it is the screw with a spring, on top of the carb where the throttle cable hooks up. Turn it in (clockwise) to give more idle speed. Now locate the mixture screws on the carb, they are on the side of the carb and also have springs on them. They are marked with an L or H on the carb body beside the screws. Turn them both in (clockwise) until lightly seated then turn them out (counterclockwise) 1 turn or if you prefer turn them to the position they were before you took the carb apart. 1 turn out is the recommended position by the manufacturer so the engine starts and runs, sometimes this is the right position. If it does not idle properly, remember this position and turn the idle mixture screw out (counterclockwise) in 1/8 turn increments until it runs properly 5 or 6 times or more if it runs better. (When turned out you are adding more gas to the mixture). You could also try the high speed mixture screw and see if it helps with the idle, but do not turn in (clockwise) to less than 1 turn out from a lightly seated position, to prevent overheating. If this doesn't help, check the air and gas filters, the gas tank and fuel lines for blockages. Check the spark plug to see if it is wet and if it isn't no fuel is getting to the engine. These are a few suggestions for you to try. Hope this helps a bit. All the best and good luck.
SOURCE: Hi I am after sharpening
Hi, there are different angles for different chain types but 30 degrees across and 10 degrees down are good general purpose angles. Hope this helps, regards Phil.
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