Question about Makita DCS6401 20 20",64cc Chainsaw 2 Cycle
The two most common problems are that the saw was stored at very sub-zero temperature and the condenser materials can freeze-damage so it will not charge up from the magneto. The second is that the magneto has demagnetized just by sitting for two years without running. Lawnmowers suffer from the same problem and all you have to do is start them every six months which causes the magnet to become stronger as it wizzes past the other metal on the side. You can find the laminated metal part on the aluminum rotor on the side and place a strong 1/2" magnet against the metal wherever it is exposed - for about 5 days. You will see a matching metal laminated part with the coil unit on it, don't worry about that, it is the stationary part which just reacts to the magnet as it goes by at high speed. These units are powerfull if those two parts are OK, often able to spark far more than your engine would ever require for combustion. If this fails you would have to suspect other things like the spark plug wire, the spark plug itself being eroded inside the ceramic material, or the points underneath the flywheel rotor which can fail after years of running. If all else fails buy a JONSERED like mine, it has everything going for it, less than $300 cost, simplified design, dependable for small jobs like windfalls on the road etc. and the factory is said to be right next door to HUSKAVARNA in Sweden, but I mainly like the light weight, and non metal gas tank unit which can't break out at the bottom like some HUSKY's do.
Posted on Mar 24, 2011
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Posted on Jan 02, 2017
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