Hi there, I have just got a new Cobra pipe for my ATC 70, due to the fact its a less restrictive pipe, do I need to richen or lean off the carb setting? The carb is stock, and had just been rebuilt.

cheers [img]i/expressions/face-icon-small-smile.gif[/img]

 

richen.

more air due to pipe needs more fuel.

not sure how for a 70 though.

 

correct... If you went with a pipe, are you going to get an aftermarket air filter also? was the main jet in you kit bigger than the stock one? Some kits already bump the size up +2 or so. But just for a guess..... with a filter and pipe I would start at a + 4 or so bigger main

 

yes I have added a K&n style airfilter, so i will richen it up tomm, and give it a go..

cheers guys..[img]i/expressions/face-icon-small-cool.gif[/img]