Bought a 2016 Suzuki DR-Z400SM back in September, put two hundred miles on it or so and then bought a full Yoshimura RS2 system for it. Worked well for about 1,000 miles and then I noticed i have an exhaust leak where the header meets the engine. The local shop says the gasket has gone bad. I looked at the gasket compared to the stock one the other night and noticed the Yoshi gasket is just flat while the stock one has a ridge around the pipe. Anyway, I need to replace the gasket, and I was hoping to just take the stock one off the old exhaust and then put it on the new one, but they dont just slide off. So, how does one change a gasket?

 

Thanks.

Remove the old gasket from the head and replace with anew, OEM one.

I have had many yosh exhausts. Including for the drz400sm and have never seen yosh provide a gasket with the exhaust. Remove the exhaust and install a new one as mentioned above.

Needle nose pipers help, I have a full rs2. The stock gasket was stuck on mine. 

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