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A65 oil consuption #734353
05/07/18 4:09 am
05/07/18 4:09 am
Joined: Mar 2013
Posts: 11
Perth Western Australia
M
mdodds Offline OP
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Perth Western Australia
Hello all. My A65 uses about 70mm every 100 miles. No smoking, plugs normal, plenty of power. Is this normal ?It`s done this from re-build till now{10,000 miles}Cast iron rings.

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Re: A65 oil consuption [Re: mdodds] #734359
05/07/18 6:19 am
05/07/18 6:19 am
Joined: Aug 2001
Posts: 7,602
scotland
triton thrasher Online content
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scotland
What’s that in pints, fluid ounces cubic centimetres or millilitres?


Amateur Loctite enthusiast.
Re: A65 oil consuption [Re: mdodds] #734361
05/07/18 6:52 am
05/07/18 6:52 am
Joined: Mar 2013
Posts: 11
Perth Western Australia
M
mdodds Offline OP
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Perth Western Australia
millitres mate.

Re: A65 oil consuption [Re: mdodds] #734362
05/07/18 6:59 am
05/07/18 6:59 am
Joined: Mar 2013
Posts: 11
Perth Western Australia
M
mdodds Offline OP
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Perth Western Australia
About half a tea cup i suppose!

Re: A65 oil consuption [Re: mdodds] #734363
05/07/18 7:35 am
05/07/18 7:35 am
Joined: Jan 2014
Posts: 4,022
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NickL Offline
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That's not excessive. I ride my one pretty hard and it uses a pint or so in 1000 miles.
I know the pistons were a little corroded and /worn when i built it though, i suppose i should have replaced them but thought i'd get away with just rings.
It doesn't smoke, just burns a drop especially if used to 6k a fair bit.


No-one expects the Spanish Inquisition................
Bring in the 'Comfy Chair'
Re: A65 oil consuption [Re: mdodds] #734366
05/07/18 8:04 am
05/07/18 8:04 am
Joined: Aug 2001
Posts: 7,602
scotland
triton thrasher Online content
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scotland
I think that’s a pint (imperial) in 800 miles.

Not a problem.


Amateur Loctite enthusiast.
Re: A65 oil consuption [Re: mdodds] #734368
05/07/18 8:14 am
05/07/18 8:14 am
Joined: Jan 2014
Posts: 4,022
Aus
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NickL Offline
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Aus
Ask anyone with a 'vinnie'................................


No-one expects the Spanish Inquisition................
Bring in the 'Comfy Chair'
Re: A65 oil consuption [Re: mdodds] #734430
05/07/18 9:54 pm
05/07/18 9:54 pm
Joined: Oct 2007
Posts: 1,543
Auckland NZ
Ignoramus Offline
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Auckland NZ
oil use kind of depends on how much is being burned AND how much of it is leaking, but 70ml in 100 miles doesnt sound excessive.
my A65 doesnt leak much and uses around 500ml in 1000 or so miles .


"There's the way it ought to be and there's the way it is" (Sgt Barnes)
Re: A65 oil consuption [Re: mdodds] #734449
05/08/18 1:38 am
05/08/18 1:38 am
Joined: Mar 2006
Posts: 1,358
Magnolia, TX
htown Offline
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Magnolia, TX
When do you check your oil? If it's before a ride it could be your bike is seeping a little oil into the sump and then what you add goes out the tank vent after the engine is started. Best practice is to check oil when hot right after a ride. That way there isn't any loss to the sump.
I've found my oil levels stay more consistent even with the hot oil check if I shoot to have the level about a 1/3 pint low on the dipstick. Seems like when I try to keep it completely full I'm always adding oil but when I leave just a little lower it tends to stay there.


1978 Bonneville T140E
1974 Trident
1970 BSA Thunderbolt
1971 Norton Commando
1972 Norton Commando
1973 Norton Commando
1974 Norton Commando
2004 XL 1200R Sportster

Everything will be alright in the end. If its not alright, its not the end.
Re: A65 oil consuption [Re: mdodds] #734659
05/09/18 7:07 pm
05/09/18 7:07 pm
Joined: May 2013
Posts: 5,004
Rotherham - S. Yorkshire
Allan Gill Offline

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Mine uses a bit when I push it hard, touring at 70 it doesn’t use a drop.... so I’ve put it down to it being blown out of the cam breather, I did have an additional breather which I have now blanked off as a temp to test my theory of oil being pumped out. But none ever past the rings etc.... either that or the inline filter is restricting the return flow and over pumping to the head. All I know is the oil return on my mates OIF is better than Monday tick over. His permernatly runs through a filter and oil cooler. Mine has a thermostat inline with the cooler (because when cold the oil would blow past a pipe on the return..... since reverted to 10:40 oil so will see again.


beerchug
Re: A65 oil consuption [Re: mdodds] #734681
05/10/18 12:57 am
05/10/18 12:57 am
Joined: Apr 2013
Posts: 246
Illinois
Spitfire Ken Offline

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Illinois
IF YOU BROKE IT IN USING SYTHETIC OIL THERE IS A CHANCE THE RINGS NEVER SEATED PROPERLY.


I APOLOGIZE FOR THE USE OF CAPS. I CAN ONLY TYPE WITH MY RIGHT HAND SO USING THE SHIFT KEY IS BEYOND MY CAPABILITES.

The Devil is in the details.

1957 BSA A10 Spitfire Scrambler (numbers matching, very correct, very nice condition)
1965 BSA A65 Lightning Rocket "Clubman" (restored)
1966 BSA A65 Spitfire MK-II (restored)
1967 BSA A65 West Coast Hornet (under rstoration)
2001 Kawasaki W650
Re: A65 oil consuption [Re: Spitfire Ken] #734705
05/10/18 7:49 am
05/10/18 7:49 am
Joined: May 2013
Posts: 5,004
Rotherham - S. Yorkshire
Allan Gill Offline

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Rotherham - S. Yorkshire
Originally Posted by Spitfire Ken
IF YOU BROKE IT IN USING SYTHETIC OIL THERE IS A CHANCE THE RINGS NEVER SEATED PROPERLY.



Where did that assumption come from?


beerchug
Re: A65 oil consuption [Re: Allan Gill] #734718
05/10/18 11:16 am
05/10/18 11:16 am
Joined: Apr 2013
Posts: 246
Illinois
Spitfire Ken Offline

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Illinois
IT IS NOT AN ASSUMPTION, SOME MANUFACTURERS RUN AN ENGINE ON REGULAR OIL PRIOR TO DELIVERY THEN CHANGE IT TO SYNTHETIC FOR DELIVERY.

http://www.enginebuildermag.com/2014/10/break-in-oils-and-assembly-lube-needs/


I APOLOGIZE FOR THE USE OF CAPS. I CAN ONLY TYPE WITH MY RIGHT HAND SO USING THE SHIFT KEY IS BEYOND MY CAPABILITES.

The Devil is in the details.

1957 BSA A10 Spitfire Scrambler (numbers matching, very correct, very nice condition)
1965 BSA A65 Lightning Rocket "Clubman" (restored)
1966 BSA A65 Spitfire MK-II (restored)
1967 BSA A65 West Coast Hornet (under rstoration)
2001 Kawasaki W650
Re: A65 oil consuption [Re: Allan Gill] #734725
05/10/18 12:07 pm
05/10/18 12:07 pm
Joined: Aug 2001
Posts: 7,602
scotland
triton thrasher Online content
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Posts: 7,602
scotland
Originally Posted by Allan Gill
... either that or the inline filter is restricting the return flow and over pumping to the head.



It would be better practice to have the filter in line before the T-off to the rockers.


Amateur Loctite enthusiast.
Re: A65 oil consuption [Re: triton thrasher] #734927
05/11/18 10:30 pm
05/11/18 10:30 pm
Joined: Jan 2014
Posts: 4,022
Aus
N
NickL Offline
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NickL  Offline
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Aus
Originally Posted by triton thrasher
Originally Posted by Allan Gill
... either that or the inline filter is restricting the return flow and over pumping to the head.



It would be better practice to have the filter in line before the T-off to the rockers.


+1. Why put scavenged dirty oil from the sump back into the engine?


No-one expects the Spanish Inquisition................
Bring in the 'Comfy Chair'
Re: A65 oil consuption [Re: NickL] #735375
05/15/18 12:13 pm
05/15/18 12:13 pm
Joined: May 2013
Posts: 5,004
Rotherham - S. Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 5,004
Rotherham - S. Yorkshire
Originally Posted by Spitfire Ken
IT IS NOT AN ASSUMPTION, SOME MANUFACTURERS RUN AN ENGINE ON REGULAR OIL PRIOR TO DELIVERY THEN CHANGE IT TO SYNTHETIC FOR DELIVERY.

http://www.enginebuildermag.com/2014/10/break-in-oils-and-assembly-lube-needs/



Any chance we can switch from capitals? it's seen as shouting...

I agree with this last statement, a mineral based oil should be used for breaking in, but this is linked with modern vehicles (where a mineral based break in oil would be used) our old heaps still specify mineral SAE 40 or 20/50 oil (depending on year it was made) sytnthetic oil is still new by those standards... Very few people would switch to synthetic oils... and those that would usually have a very good knowlege of engines anyway and you would hope would run a mineral oil until the engine has run in.

The question about assumption is because it hasnt been told what oil was used in the engine from first build. until we know.... that part is assumed.

Originally Posted by NickL
Originally Posted by triton thrasher
Originally Posted by Allan Gill
... either that or the inline filter is restricting the return flow and over pumping to the head.



It would be better practice to have the filter in line before the T-off to the rockers.


+1. Why put scavenged dirty oil from the sump back into the engine?


Oh I agree, but like many others its one of the jobs I have yet to get around to and like many others I fitted a filter into what was available at the time. Maybe the next time I repipe the bikes oil lines this will get done laughing


beerchug
Re: A65 oil consuption [Re: mdodds] #735501
05/16/18 5:21 am
05/16/18 5:21 am
Joined: Jan 2014
Posts: 4,022
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NickL Offline
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https://www.eBay.com.au/itm/5-16-X-3-16-X-5-16-8mm-5mm-8mm-Tee-3-Way-Hose-Barb-Brass-Fitting-Fuel-Reducer/222686642978?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2648


No-one expects the Spanish Inquisition................
Bring in the 'Comfy Chair'

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