middle gear

I am replacing bad 2nd gear, and taken out the middle gear. But I cannot find the special tools or adaptor show on the service manual. The adaptor supposed to release the tension on the nut on the middle gear. I found the guy made own adaptor but it way too big. Please let me know if there are...

Hey, Guys. Need some help here: So the other day I was attempting to rebuild my clutch slave (attempted as in failed: slave's allen head bolts are seized on) and in the process I took off the middle gear cover. The Yamaha manual says not to let any oil out when it's taken off. well.... a good...

I have a 98 v-max with one Sean Morley's o.d. undercut gearbox's in it, nice gearbox, also has a pcw h.d. clutch spring kit in clutch, no more slip, all has been good for well over a year (15000+km.) today after giving it a bit of squirt from 1st to 2nd I noticed a loud metallic clunking noise...