sucking

Just got through fitting cops/ignitech unit/and a carb re-build. After a couple of coughs when cold got it up to temp and adjusted idle speed and sync-ed carbs and engine sounds sweet. as soon as I rise the revs up to approx 3-4rpm it has a very slight crackle and pop, seems to feel strong...

Hello All My bike has been down for awhile and during that time I took the initiative to do my carbs. All went well during the job, ran into no problems, at least I thought so. Bike fired right up, great throttle response, very little fussing while cold. Then I went to put the carb II sync on...

Hi folks, I've wondered about the sucking sound the bike makes when choke is applied. If I'm correct, choke just puts more fuel past the throttle plates. why would that cause a sucking sound? also, as long as the cylinders go back in can I be sure my choke is not stuck open? still trying...