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How to stop a Commando leaking oil
- Thread starter waterloo700
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Leave the engine out! Great idea! 
Mine didn't leak oil!
Radweld in with the first charge of oil!
Pedals ... it needs pedals 
My Mk3, which is what the one in the pic looks to be as well, pissed oil out between the head and barrel whenever I thrashed it and that was most of the time.
When I had the head ported, fitted a 3S cam and 10.25:1 Omega pistons, in what was perhaps a misguided attempt to make it a bit quicker, it started to smoke badly.
Pulling the head off revealed that the head casting was porous and relieving the inlets had allowed it to seep into there. Cue much massaging of Araldite into the inlet ports.
While I was talking to one of the old hands during a trial, I mentioned that I had managed to cure most of the oil leaks on my Triumph.
"But how will you know if the oil is circulating?" was his shocked reply.
Mark
"But how will you know if the oil is circulating?" was his shocked reply.
Mark
The leakage is how you can go 5,000 miles between oil changes, you may well have put in 5 gallons of oil during that time but it was 5,000 miles between changes.
This is the only way I can stop my BSA A50 leaking!
Strange how British classics always have to mark where they’ve been!
Strange how British classics always have to mark where they’ve been!
Myke Rocks
Registered user
A few years ago an aquaintace had a for Thames Van
Very old, only taken to shows, but still at that time had to have an MOT.
It went everywhere in a cloud of smoke.
He dumped in a can of Slick 50 or something like that, drove to near the MOT centre, and drained the oil out.
In he went. Vehicle passed.
He drove out and refilled it with the drained oil.
Very old, only taken to shows, but still at that time had to have an MOT.
It went everywhere in a cloud of smoke.
He dumped in a can of Slick 50 or something like that, drove to near the MOT centre, and drained the oil out.
In he went. Vehicle passed.
He drove out and refilled it with the drained oil.
No need to go the extent of taking engine out, just drain the oil and then stick the bike on a display stand, you can admire it without polluting the planet !
you will however miss the fun of all the breakdowns, and the reynauds syndrome caused by the engine vibration on the odd occasions in between breakdowns!
you will however miss the fun of all the breakdowns, and the reynauds syndrome caused by the engine vibration on the odd occasions in between breakdowns!
Very little engine vibration if you have the Vernier Isolastics set correctly. If you set them up tight for better handling, there is a bit but it should stop c. 2,800 rpm.
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