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Curious_george
| Posted on Sunday, October 09, 2016 - 06:27 am: |
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6 Months or so ago, the oil pressure light came on just as I was pulling out of the drive. Killed the bike and pushed it back into the shed. Tore the oil system apart and couldn't find anything wrong, put it all back together and there was no problem. Left me a bit baffled. Same thing happened today - got about 200m down the road, oil pressure light came on. Long push back home and began pulling things apart. -Bike has the right amount of oil -Oil gets to the pump -Oil filter is full -Driven and drive gears are both in good condition When I pulled the pump off, I noticed that there was a large amount of play in the shaft. Upon tearing the pump down, I found that the play was enough that the shaft will disengage from the lower pump! I can't see any significant wear inside the housing that would cause this, the circlip and washer are present and in good condition - it really has me baffled. It's almost as if the detent for the circlip has been machined in the wrong place or the shaft is too short - both very unlikely I know. Below are a couple of pictures showing just how much end play there is, and one showing the shaft disengaged from the pump.
I wondered about removing the circlip and washer and fitting some shim washers underneath to reduce the play, but then there is the concern of them getting eaten over time and ending up in the engine, plus it also doesn't solve the problem of how this happened in the first place. Any advice would be greatly appreciated, thanks. |
Brother_in_buells
| Posted on Sunday, October 09, 2016 - 02:23 pm: |
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There was a post or thread about this a couple years ago ,did a search but could not find it. If you post this also in the big bad&dirty section it gets more reaction. |
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