Kawi2strokes.com Forum

Ok , I just rebuilt my 72 h2 , started right up but wasn't hitting on a couple cylinders it seemed , after thinking it was just flooded with to much oil since I mixed a little in the gas , it was still acting weird . So I ripped off the exhaust since there was a lot of oil coming out of the seams . I couldn't even blow threw them ! There aftermarket ( denco ? ) so I pulled out the end foot of the silencer and it was gummed with tar and the end was plugged. And I still couldn't blow threw it , looking down in the end there's another restrictor but it's plugged. So my question is , do I cut end off and clean out that baffle and weld the end back on or do I take a long drill and drill a 1/2" hole in it so it can breathe ? Also I'm not really going after power upgrades and I do have the original air box so I'm thinking about going to stock exhaust but I have to buy a set . Is there a very noticeable difference between the two ? And is it ok to run stock exhaust on it when it's bored to 72.00?

You are describing Wirges pipes not Denco. Wirges had an internal baffle. You can cut them open and remove the internal baffle.
Yes, there is a significant difference between good chambers and stock pipes. Wirges is not one of the good chambers.

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