I'm 100% with Jetts here. Do not try to make them something they are not. Once my sportster was broken in and adjusted. It started easily and did not need any fiddling with adjustments. Just fuel it and go. I did use K&B 1L glow plugs in it. I never used anything else. I do not know how it will work with another plug. I always used 10% with 20% oil. Some of which was castor. Was a great engine for me as well. I would not hesitate to buy another.

Mark Shuman