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Another good tank done. 150.9 miles and 1.525 gallonsUS for 99 mpgUS.
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I did my first oil change at 715 miles with automotive Mobil 1 5W40. Let's see if that makes any difference.
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I got my Koso tach installed.
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MINI RPM METER
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I only had to take off the windshield panels to feed the cable down and could reach in through the spark plug access panel to wire it up It is a really simple instal as this model is powered by a button battery so it only needs the red wire to be wrapped round and round the plug wire for inductive pick up, and a ground which I crimped on an eye and bolted with the valve cover bolt. Don't forget the front of the engine pivots up and down, opposite of the rear wheel, so leave enough slack in the main cable before tie strapping it down. The programming had to be set to ".5" which shows that the PCX ignition system does not use a waste spark. The refresh rate is speced at <.5 sec and it is happily much quicker than that and seems to be just right. Not too jumpy to read but not so slow that it is missing things. The only draw back to the easy installation due to on board power , is the lack of any back light. It works perfectly with the only drop outs occurring during decel fuel shut off for some reason. It comes on automatically each time it sees a spark signal and records the max rpm. A normal rider doesn't need a tach but I might end up playing with the trans so it is good to know the rpm.
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This also answers the question of the limiting that I feel at the top speed of 68 mph. That is evidently the smooth application of the rev limiter at 9,600 rpm.
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My PCX150 variator pulls at 6,800 when cold and 6,600 after the belt warms up during hard acceleration below 50. 50mph is already pretty well "locked up" at the top of the pulley and runs at 7,000 rpm on flat ground while occasionally showing 6,800 when coasting down hill. I may decide to raise the pulling rpm from 6,600 to 7,000 with different weights or by shimming the spring in the back pulley.
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