I don't think bits of wire are a solution to your jet-cleaning problem. You will see in the video I recommended that Honda recommends the use of oxy torch tip cleaners of the correct diameter, but unfortunately you need one of only 0.3 mm diameter for the idle jet, and I don't know of any place to buy them that small. The usual solution is to by a set of jet drill bits, such as these:
http://www.ebay.com.au/itm/Metric-I...DefaultDomain_15&hash=item51ce144fdfThose cover all of the sizes needed. A set of oxy torch tip cleaners may cover everything except the idle jet, and is much cheaper:
http://www.ebay.com.au/itm/13pce-Ox...DefaultDomain_15&hash=item5b0ee8435cYou should be able to get tip cleaners in your nearest welding supplies shop, and you may get them from a good hardware store.