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May 25, 2006
RPM Clip Installation Instructions for Kart Racers
A clean RPM signal is key to good performance from your MyChron. To get a clean signal, it's important that the RPM lead be installed correctly to pick up a strong signal from the plug wire. If you click the image below, an enlarged image will load, which you can print out. Before using the new plastic clip, be sure to cut off the old metal clip.
MyChron Mike posted a few more tips on Bob's 4cycle.com recently:
"A couple of installation tips to insure the best RPM signal with your MyChron. Do not run the RPM lead in any type of tubing, it should be run right along the frame rail.
Take care not to overtighten the tie wraps. If your lead is too long don't coil it up, just cut the tach end to length. At the tach end make sure that the lead loops through the two small holes and then extends out about 1/2 inch and then use a small tie wrap to keep it snug.
If you're using the metal clip be sure that it doesn't contact the head shrouding or anything metallic as this can cause low or erratic RPM's. On any motor be sure to wrap the lead around your spark plug lead 2 or 3 times before clipping it on and use a small tie wrap to keep it snug against the spark plug lead.
If you are using the new plastic clip its very important to pull the RPM wire about 4 inches through one side of the clip, then wrap the wire around your plug lead a couple of times and then back through the opposite side of the clip."
Posted by aimsports || erik at May 25, 2006 03:45 PM