HELP!!!!!

[Bendy toy]

I'd rather have it stamped by a good independent. At least you know things have been done right and they have done the bits the dealer just doesn't bother with. However, your average punter thinks dealer history means something special and it affects warranty but the reality is often very different.

For example. The final drive has an oil drain plug. Great idea it's a quicker oil change. Wrong. The older method requires the FD to be tipped back to drain the oil. This takes a little longer but the job recirculates grease in the trunnion bearing and allows the drive shaft splines to be greased.
Mine was serviced to the book by the dealer then by me but by 50K the trunnion and drive shaft U/J were worn. I found out the hard way.

 

[Bounce]

I've booked in with Mikeyboy, as I've read cracking reports about him. Hoping I don't get under his feet during the day, but hoping to pick up a few things while I watch him work

+1 for a Mikeyboy service day. Mike is very patient & methodical so you will learn loads. Ask questions, take pictures etc......he'll demo something, then you can have a go yourself.....and Claire does provide excellent refreshments too!!

 

[jefformston]

For example. The final drive has an oil drain plug. Great idea it's a quicker oil change. Wrong. The older method requires the FD to be tipped back to drain the oil. This takes a little longer but the job recirculates grease in the trunnion bearing and allows the drive shaft splines to be greased.
Mine was serviced to the book by the dealer then by me but by 50K the trunnion and drive shaft U/J were worn. I found out the hard way.

Can you explain how this works, the desired result looks to be a good one but in my experience grease doesn't 'run' anywhere so how will it re-circulate? Do the bearings not run in the final drive oil?

 

[JohnnyBoxer]

Ben de Troy is our GS technical guru, listen to his wise words as he has all the answers

 

[Mad_Accountant]

Congratulations

You are BMW Motorrad UK's dream ticket customer

Keep drinking the BMW Corporate Kool-Aid.................it suits you

No probs, it's worked for me since 1992

 

[Bendy toy]

I have some but no means all the answers. For real info talk to Mikey or Steptoe.
The gearbox bearings run in oil. Hence oil change. The bottom pivot Paralever bearings are grease filled needle rollers. Needles are fine for something with a good radius of motion and often better than rollers. However these oscillate 5 degrees (or less) so the needles run back & forth over the same spot and push the grease away. This quickly wears a flat on the. same loaded needles and small area of the races.
A regular swing back & forth through a wide radius spreads the grease about and helps to preserve the bearing rollers.
If anyone decides to strip these bearings, pack them with lots of moly grease. This helps to reduce the rub out problem but it isn't a cure.
DONT do this with wheel bearings they should only be 1/2 filled as the grease needs space to move inside the bearing.

 

[Turkish]

Took bike to Mikeyboy, best decision I've made so far. Brilliant job, would recommend everyone going to him.

Thanks Mike.