It's a two stroke, change the plug, maybe go one heat range hotter. We went through buckets full of plugs back before CDI and only boxes full afterwards. They eat plugs like you change socks.
1991 Honda Nighthawk 250-16,000 miles 1983 Kawasaki Spectre 750-43,125 miles 2009 CF Moto Fashion- 17,235 miles www.twowheeler.yolasite.com/