Friday, August 6, 2010

MacGyvering my Zuma

May 26,2010
I went out tonight with my Garmin Foretrex and found that I could go 47 one direction and 45 the other. I did go 49.3 in front of my house on a short hill, I would like to say that my bike would do that on flat but isn't true yet. My speedometer is very accurate in the range that it is calibrated.

I am not disappointed in the least At this point I have 30 dollars worth of jetting and a 25 dollar expansion chamber. My jetting steps are in 10s and perhaps there is a bit more by trying some alternate setting. My bike idles well as you would expect. it pulls evenly. I have had my mixture all over. I have tried full rich on the needle and very rich on the main that I could only barely clear. I stay away from lean. My exhaust port was whittled in place and is not ideal. My belt is worn.

I have a new belt coming and will try lighter rollers when I am changing the belt. I have thought about making my own reeds I have the materials and carbon fabrication knowledge. It might be a bit tedious cutting them out with a dremel. I saw some available for 30 dollars.

I would like to see my bike go 50 or better on a stock bore. It may take a jug removal. I won't be working on my bike for a while, going to our farm for vacation. Will be riding my dirt bike.

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