What jets do I need

i have a 83 kz750 ltd shaft drive. It has a kerker 4 into 1 but previous owner did not jet. The air box is stock. I need to know if I should jet it and what jets i need. The spark plugs show lean and my pipes are blue. Getting a lot of mixed reviews and don't know what to do.

DynoJet has the kit you need. Does your bike have Mikuni carbs? If so get the kit for the "82 GPz750.
If it has Keihin carbs go with the chain drive LTD kit. If you have to ask 'what jets?', you will have a
hard time tuning your carbs. It takes more than just jets to get the job done.


.

Thanks for the advice I ordered the jet kit and ended up getting some air filters as well. on a different note, I would like to adjust the cam chain tensioner while I have access to it, but I'm not sure of the peoceedure.

You need a manual. Is the jet kit for the 4/1 only? If so, you will need to jet it for pods also.
Steve