ms390

The top hole for mounting/adjusting the coil for my ms390 is stripped. Any thoughts on how to repair the hole?

I blew up my ms290 and need a rebuild kit. People are saying make it a 390 with a slightly bigger kit that will fit. Are there any drawbacks of getting the 49mm kit as opposed to the 46mm kit. Do I need any additional parts? Ps. My mechanic is doing it. Thanks

Hello, I am a new member who spent some time lurking and reading before joining. I need some advice on a Stihl MS390 that I bought new about 12 years ago. I run a 25" bar and cut a fair amount of fire wood with it each year (except for a couple where back trouble interfered). It has several...

I got every part I need to build the 390 engine. Then I can just swap it on to the 290 chassis. This is one way to completely test Hyways products. Would you guys put a little Motoseal around the oil seals?

Hi All, A newb question on modding a muffler on an MS390... I've had the saw for while now and done a fair amount of cutting with it but could always use more power :) I've been reading some of the other posts about the muffler mods and want to give it a crack, but was thinking to buy an...