RF400R or GSF400 output bearing

[328FTW]

The RF is making a funky noise from the front sprocket area. I just ordered new wheel bearings, new sprockets and started installing everything (the chain was in spec, just left that). All went well and the wheels are super quiet now but playing with the output shaft I can hear the output bearing sounds a bit rough; likely someone overtightened the chain before I bought it or something of the likes.

Does anyone know how it's kept in place before I go pulling things to bits? Circlip, machined groove that means splitting the lower, face plate.....something else? I'd prefer not to have to pull it out and what have you over christmas. Reading the GSF400 manual it looks kinda like a machined housing with wire retainer. Anyone can confirm it is an engine split job? It's just a bandit 400 motor so it's nothing special.

[328FTW]

And with impeccable timing once again I find something after an hour of searching only minutes after making a thread. Least this was clearer than that diagram in my manual.




Would appear to that the machined groove means splitting the casing. Joy of joys.

Anyone know a dealer who love me long time if I buy an output bearing?

[tri boy]

MHO
Before you start down this road of case splitting etc
Put a value on the running bike, then consider a ball park cost re the strip down. (gskts bearings etc)
A worn output bearing may lead to worn gears (hardfacing gone etc)
The cost quickly adds up, and often over the value of the running bike.
Consider also it may not be the bearing, but other worn gear shafts etc

Good luck.