M
i have a 990 that has been tuned for 2 years and then i had a plug cap break and then replaced and has never run the same again it will pull but not pull like it should run it rich run it lean not much change then plug will start coming out richen it up so running 1000deg on 10 wot pull up hill runs 91 and thought it was bad gas so drained then straight 110 and seemed better in the field then filled up so i had a 50/50 110/91 mix and went up ridding and same thing just didnt feel right and was 1050 max running hard up trail with 12" new snow stopped to check and plug was starting to work out again will bad cdi cause this or bad coil out of or is crank twisted, went through carbs any thing else to try
