Check and see what that carb number is... if the jetting now is only a couple below the normal that it calls for I'll leave the 1050 at 86... its all about the amount of air per carb to what the jet is(basically a percentage of jet to air)... give me a call now if you can I have some other questions also Oh I forgot, you MIGHT not see a number since I cut the air horn... but check... I want to look up the base jets