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Post by Deleted on Oct 30, 2017 11:09:48 GMT -5
I am working on a C-72 and it has ignition problems. Has anyone use the ignition chip that replaces the points and condenser and if so how did it work?
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Post by Deleted on Oct 30, 2017 12:22:56 GMT -5
I just watched Zippo Varga on YouTube replace the points and condenser on his old (7-19?) Homelite saw. He used a Nova ll chip and connect the the wire to the points to one side of the chip and then replaced the points cover and used the top screw of the points cover to secure the the chip to the engine. He then connected the other wire going to the coil to the chip. I believe that is how he did it. Here's the you tube video. www.youtube.com/watch?v=t3RI05TUSVs
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Post by sweepleader on Oct 30, 2017 12:34:00 GMT -5
I have an XL-500 with a chip in it, works great. I had an SXL with a chip that I sold. It was hard to start, wanted to yank your shoulder off, but once running it was just fine.
Wondering about that 7-19, I know they are heavy like cast iron but I did not know they used an updraft float style carby. :{)
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Post by Deleted on Oct 30, 2017 12:36:10 GMT -5
All I add is the chip correct? It is my understanding I use my same coil
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Post by Deleted on Oct 30, 2017 12:37:09 GMT -5
Also do you think the chip was the reason for the hard start?
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Post by sweepleader on Oct 30, 2017 14:43:17 GMT -5
You might have to work out a mounting for it but the chip is the only thing you add. You disconnect the points and connect the chip. Just as easily as in that video, only you will not have as much room as he did. The wiring has to be kept clear of the flywheel and the cylinder fins to prevent damage.
I DO think the chip was the reason for the hard start in the SXL. I do not know why that one was hard and the XL-500 is not. They are very likely different manufacturers so who knows. The chip controls the timing and in that one saw it advanced it too far. I have heard this story from other owners on line. That saw is the main reason I went with factory electronic stuff on the other XL-500. The chip would have been a lot cheaper however and I do have a couple sitting around for the next time they seem to be the right plan.
Some of the chips do not have the +/- markings, I hear you have to try both ways to see which has better spark.
Be sure to read the other threads here on this topic, there may be more information there that is helpful.
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Post by breese on Oct 30, 2017 15:21:07 GMT -5
The wiring has to be kept clear of the flywheel and the cylinder fins to prevent damage. I just did a little research on this and a lot of the documentation states it will Not Work on Multiple Magnet Flywheels. Just so you know
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Post by sweepleader on Oct 30, 2017 16:03:12 GMT -5
I am sure that is correct, the chip needs the magnet to work its timing magic. If there were multiples it would not know which was correct for the spark.
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