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Spare O-rings in kit

Posted: Wed Sep 14, 2016 9:35 pm
by GFlint
Just rebuilt a Vespa PX 200 engine.
I have two spare O-rings left over and it's vexing me if they need to go somewhere. Are they just leftovers? They are slightly smaller than the ones on the rear brake cam shaft.
Anyone know?
Cheers Gary


https://www.flickr.com/photos/143575383 ... res/E6U4LE

Re: Spare O-rings in kit

Posted: Thu Sep 15, 2016 6:50 am
by Shaunbond
Could they be for the clutch arm?

Re: Spare O-rings in kit

Posted: Thu Sep 15, 2016 8:26 am
by GFlint
I did think that Shaun but they may be a little small for it. Anyway I did them recently and don't want to take the stiff spring off again in a hurry :D
Gary

Re: Spare O-rings in kit

Posted: Thu Sep 15, 2016 10:23 pm
by rosscla
There should be two on the brake peg castings behind the brake backplate.

Re: Spare O-rings in kit

Posted: Sat Sep 17, 2016 8:32 am
by GFlint
Those are the `pair of specs o rings Ross, I have them in place. Think these are surplus.
Gary

Re: Spare O-rings in kit

Posted: Sat Sep 17, 2016 12:56 pm
by gaz_powell
If you've done the clutch arm, kickstart, backing plate and brake cam there's nothing left on the engine.
Is the front brake cam slightly smaller than the back, could b for there. I'm not sure but there maybe diffrent size brake cams depending on year of px.
I seem to remember having left overs

Re: Spare O-rings in kit

Posted: Sat Mar 03, 2018 11:38 am
by GFlint
*update i should have done back in 2016
The two small O rings are for the oil metering device overhaul.
Tks
G

Re: Spare O-rings in kit

Posted: Sun May 13, 2018 6:35 pm
by railfancwb
The watchmaker’s apprentice was taking apart and reassembling a fine classic pocket watch. The master watchmaker was watching closely and slipped an extra screw into the stash of parts...


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