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Messages - PJM47
1
« on: November 28, 2020, 05:29:32 PM »
Just to finish this one off, engine is back in and running beautifully! Sounds really good, think it needed an overhaul anyway. I replaced all the carb float needles and seats and overflow pipes to fix the original problem.
Many thanks for everyone’s help along the way.
Paul
2
« on: November 18, 2020, 10:02:45 PM »
Yeah makes sense, might be worth noting as a possible trick if anyone is having trouble in the future, especially as it’s an easy thing to try.
3
« on: November 18, 2020, 05:25:02 PM »
That looks excellent.
I took the oil filter off and oil soon started coming out. Put it back on and within a few seconds oil came out at the top end and then all over my bench and the floor as I hadn’t noticed it was working. Not sure whether taking oil filter out and back in helped or just coincidence but it’s working now so all good.
4
« on: November 17, 2020, 10:14:59 PM »
Ok sounds like just a priming issue, I”ll put the engine back in the bike and then sort that, not much point doing it now and again when it’s fitted.
Ta
5
« on: November 17, 2020, 08:13:57 PM »
Ok thanks, I did read about the vaseline truck but I wasn’t sure. Should I be able to get oil pressure or at least oil coming out the filter hole just turning it over on the starter? or am I better off waiting til I can fire it up properly.
6
« on: November 17, 2020, 05:13:21 PM »
Hi folks I’m getting ready to put the engine back in, I thought first I’d hook up the oil tank and try to see some oil flowing. But I am struggling to get pressure, I am turning it on the starter, as much as I dare not wanting to damage it, and all looks good but I’m not seeing much or any oil get to the top end. I’ve read this is not unusual with air locks in the pump. But I am not sure now whether to just put the engine back in the frame and sort it later or persevere with it on the bench. Opinions vary on what do. I tried priming the pump but its not really possible with the engine vertical for access. I filled the oil gallery and that didn’t help, tilted it to the side, didn’t help.
Any thoughts appreciated.
7
« on: November 06, 2020, 06:49:55 PM »
The head studs that can leak are the ones that the towers slide over and they have a M6 washer and M6 nut. If the stud thread is not sealed with thread lock, oil can weep down the thread to the spark plug area.
OK thanks
8
« on: November 06, 2020, 10:33:54 AM »
These should not leak if the studs are sealed and the O'rings are up graded
Trigger of you get a second would you be able to elaborate on what you mean studs are sealed? How would I do this? I have the upgraded O-rings now. Ta.
9
« on: November 03, 2020, 06:37:08 PM »
These should not leak if the studs are sealed and the O'rings are up graded
Are the o rings that come with the vesrah 156 any good? If not would you be able to point me at suitable upgraded ones please?
10
« on: November 02, 2020, 08:26:24 PM »
Ok thanks for the explanations. Makes sense. Probably safer to leave it dry. Having had various old British bikes I’m not too concerned about oil leaks. I will make sure those jets are clean before putting it back together.
11
« on: November 02, 2020, 05:45:55 PM »
It was sealed OK before you took it apart without anything. I would never use any sealant on any gaskets as, the 750 is prone to the oil jet blocking with sealant and bang goes the top end
What jets does the head have fitted ?
Not sure, is this the jet you mean: [ Guests cannot view attachments ]
12
« on: November 02, 2020, 04:10:00 PM »
Should you try the Hylomar a BIT is the important part!!!!
Ok noted. Or do we think I am better off not using any sealant at all? Opinions vary.
13
« on: November 01, 2020, 09:54:29 PM »
It’s possible it’s been worked before, certainly head has been off as there was a washer missing when I took it apart. As long as we think it coukd be ok, may be with a bit of hylomar that’s a relief.
14
« on: November 01, 2020, 03:11:50 PM »
Not so keen on this. Looks like it has been hacked with a screwdriver by someone trying to open it. The top end has been off before. It was covered in sealant as well. Do we think this will seal ok with new gasket?
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15
« on: November 01, 2020, 03:05:59 PM »
Bottom end ready to close up?
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Just waiting new chain tensioner and an o ring for that front tube.
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