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Hi guys. I just picked up a used 85 klr and have some questions. It had a supertrapp silencer which is cracked. So I ordered a stock head pipe and silencer assembly from ebay. I tore apart the carb and noticed:40 pilot jet, a 165 main jet and the air box is missing the snorkel under the seat along with some 1/2" or so holes drilled into the filter cover with screens covering them. I know the stock jetting is 40 or so on the pilot but the main is suppose to be 135-138. Should I play with the jetting? Should I be worried about there being holes drilled into the orfices of the carb? What should I do to get it running good? Btw it had a dead spot just off idle however the carbs choke cable was falling out and the boot from the inlet of the carb to the air box was 1/2 off also. Its missing the air filter too, What should I order? Does anyone have some spare part laying around for this beast? Thanks in advance Brandon
 

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Removing the snorkel and drilling the airbox are pretty standard mods to get better breathing. With an aftermarket exhaust you would probably need to go a little larger on the main jet but I'm thinking a 165 might be too much. I'd make sure the carb boot is in place and fix the choke cable. All those things could make too lean even with the bigger main. Not sure what you mean by holes in the carb orifices.
 
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