81 Honda express Na50 Malossi kit

I've got a malossi big bore kit on a 1981na50, treatland intake, vm20 mikuni carb (with jets that came with it) .starts and idles fine. Bogs and barely moves with me on it when I try to accelerate. No power worse than stock. The lack of power when stock is reason for the kit. At a loss need help.im hoping it's a jet issue? No idea which to use? Just bogs any help?

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Re: 81 Honda express Na50 Malossi kit

Jack Rutherford /

Check for air leak where intake meets case

Re: 81 Honda express Na50 Malossi kit

Justin Petraitis /

Jets are probably wrong, chances that what it came with are right for your bike and application are slim to none. Need to buy some more and get to tuning. I'm not familiar with that kit or mikunis, so hopefully someones can chime in and point you in the right direction. It would help if you posted up what jets are currently in the carb.

Re: 81 Honda express Na50 Malossi kit

Jack Rutherford /

Looks like stock exhaust so jetting would be off.

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