ghita_f_frica

Hi all, Sorry for the english, I am unable to write in french - but I can understand it. Since one year I have a GSMoon 260, the same as the Xingyue 257cc or the EVO 300 etc. I had the exact same problem with the ignition coil as you all on this post (so I actually used the buggy for no more than 400 km since I have it) and I tried to sort it out. My solution was to replace the original ignition coil with the Bosch ref: 0.221.119.027 and a ballast resistor to get to the original 4.2 ohm resistance, thus avoiding to burn the CDI. If you look on the following websites - [url] http://www.hot-spark.com/Coil.htm [/url] - [url] http://www.ratwell.com/technical/BlueCoil.html [/url] you will get the whole description of the "famous" Bosch blue coil + ways to install the ballast resistor and also all possible references (only 0.221.119.027 seems to be still available on the European market + there are also a lot of equivalent ones from Beru etc. but you have to be sure that they are of at least 3 ohms on the primary circuit). The price from Bosch Belgium was 36 euros, VAT included. The measured primary coil resistance is 3.2 ohm and I added a 0.9 ohm ballast resistor => total 4.1 ohm, almost the original 4.2. You can use a bigger ballast resistor (e.g. 1.2 ohms) to be sure that the primary circuit intensity stays at reasonable levels for the CDI but the performance of the spark may decrease - I took the risk now that I know a bit more about all this. I reused the original spark plug wire and on the side that fits in the ignition coil I have welded a copper tube that fits tightly in the ignition coil. Apparently, if you are not skilled on reusing this wire you can try to get from a garage an old type of car wire that is made out of copper inside and not from siicon, with a total resistance of about 4.7 Kohms. Without the ballast resistor the ignition coil is getting very hot. With the resistor is still hot but not in the first 10 minutes and not as much as without. Anyhow, the primary circuit should be well balanced now so I hope that it will resist long enough - the blue Bosch coil is made so that the whole internal circuits are immersed in oil and as it is made by Bosch I can only assume that will resist! The visual of the spark is a strong blue flame that gives me some hope to even increase the spark plug electrodes gap to get a better burning of the gas. Seems that the problem of the original coil is not necessary with the coil but with the CDI that is giving too long impulses to the coil so not allowing it to stay at an acceptable temperature. The result is a finally working buggy, after few failed experiments involving the Yamaha coils that worked Ok but were burned by the CDI characteristics... A! Do not forget to attach to the chassis the green wire that was pressed in between the old coil and the screw that was fixing it. Fixing the coil to the chassis was made with plastic wire straps - I put about 4 of them to be sure that it will stay in place. I hope that this helps those of you that are still looking for solutions to the famous xingyue damned CDI/Coil combination. Should any of you have any question(s) or be interested to buy my buggy (I have a different project now... my location is Brussels) contact me at NOSPAMfa008721@skynet.be - please remove NOSPAM from the e-mail address - I am very rarely following this forum so do not count on me to reply to messages posted here but I will definitely reply to e-mails. g