2 replies [Last post]
SteveH
SteveH's picture
 Offline
Joined: 10/23/2011
Posts: 115

I happened to read this advert for a replacement camshaft bearing and housing.
Was wondering if any one had fitted one .
Not sure if i believe all that they claim.
Below is a copy of the advert

Camshaft bearing cast iron/bronze lining
[1140110]BMW 2V Beemer Airhead Motorcycle accessories and spare parts EUR100,66

Camshaft bearing cast iron/bronze lining
Click to enlarge
Cast camshaft bush housing with phosphor bronze bushings
When the engine is warmed up, do the valves rattle even they are set to within spec?
Most BMW models have a camshaft bush housing made of aluminium.
This has 2 main disadvantages:
1. Rapid wear
2. Aluminium expands about twice as much as steel due to heat.
This leads to increased valve play.
As the BMW original cast camshaft bush housings with bronze bushings
are no longer in production we have had this part specially cast and CNC machined.
This setup significantly reduces valve gear noise.
Fits all 2V Boxer /5 /6 /7, R and 248 models,
R 45/65 , R 50/5, R 60/5, R 75/5, R 60/6, R 75/6, R 90/6, R90S,R 60/7,
R 75/7, R 80/7, R 100/7, R100S, R100RS, R100RT, R100CS, R80G/S,
R80ST, R80RT, R80GS, R100GS, R100PD, R100R, R80Basic

__________________

Steve H

schrader7032
schrader7032's picture
 Offline
VBMWMO #7032
San Antonio, TX
Joined: 10/27/2006
Posts: 6427
Sounds like a product looking

Sounds like a product looking for a place to sell. I've never heard this and haven't seen the rush to this solution.

Quote:

When the engine is warmed up, do the valves rattle even they are set to within spec?

Maybe their confusing this with the transmission rattle. The valves are supposed to tick due to the clearances. If they rattle, likely it's due to bad springs or bushings.

To me, it's main advantage is to lighten your wallet by EUR100.

__________________

Kurt in S.A.
'78 R100/7 '69 R69S '52 R25/2

SteveH
SteveH's picture
 Offline
Joined: 10/23/2011
Posts: 115
I agree

How can the housing wear ,unless the bearing is moving in it ?

__________________

Steve H

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.