Bike is a 78 T-140E with twin Amal Mk2s. So over the summer the bike was running fine, but my rocker box gaskets started leaking quite a bit, so I replaced them, set the valve clearances and re-assembled everything. Now the bike isn't running right. It pulls strong from a stop but as soon as you get up to speed at higher RPMs it misfires. I' tried re-synching the carbs which i've done before after owning the bike 10 years now, still getting the same issue. Plugs were new N4C and after I took my test ride they look lean. In neutral with the bike running if I rev it up it will miss and pop out the left side muffler. I re-checked my intake valve clearances and they were dead on. I haven't had a chance to check the exhaust valve clearances yet. Any ideas? Thanks in advance!
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