Electrical connections everywhere get hot, resistance goes up and power goes down. Large 2/00 electrical cables direct from the battery to the starter solenoid. Direct 2/00 cable from the battery to a bolt on the starter body/frame. 8 or 10 gauge wire from battery to starter switch back to starter solenoid. The Wallmart 4 and 6 gauge 12V cables are only good for gokarts and lawn tractors. Make certain the coil polarity is correct. If the battery is + to chassis the coil + goes to the points and the - to the live 12V. Is the ignition system a bypass design with a 6V coil and ballast resisitor? What size of battery? A scrawny discount battery isn"t worth beans summer or winter. The only battery to use on any machine is the very highest CCA rated battery that will shoe horn into the battery box. Note I said CCA not CA rating, much different and designed to fool purchasers. Another biggy is resistor core ignition wires. Heat affects them too and causes weak spark. Toss the resisitor wires and plugs as far as possible,install solid core wires and plugs like Autolite 3116,216,473 etc.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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