EXUP Worldwide

OK, thanks for the reply boys, but still no answer to my question: Are these shift dogs and the corresponding holes surface hardened or not? If they are hardened, does machining them off not reduce the hardened layer? I am thinking about undercutting them and have them re-hardened by a process calle...

Now I do know wat was ment by undercutting. I was already aware of the inverse tapered design of the gear shifting dogs, but didn't know this was mentioned as "undercutting". It still raises another question.<br><br>As you guys mention, you have the geardogs undercut by a local machine shop. But are...

Hi Guys, first let me start by introducing myself:<br><br>I am a 34 year-old engineer with a huge crush on the Yamaha FZR series. I own a '91 FZR1000 for half a year, which has a well-known gearbox problem (2nd and 3rd jump out of gear while accelerating). I can buy an YZF750R 6-speed gearbox at a v...