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A7 & A10 Engine
A7 1946-1950
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The BSA A7-A10 Forum
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A7 1946-1950
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Bleed prime oil system
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Topic: Bleed prime oil system (Read 1185 times)
pdg
A's Good Friend
Join Date: Oct 2014
Posts: 90
Karma: 0
Bleed prime oil system
«
on:
08.07. 2015 08:51 »
I've had the oil drained out of my 1949 A7 Star Twin, including the pipes disconnected, for a few months. I've not removed the oil pump. Is it necessary to bleed prime the oil system before starting the bike?
Many thanks, Peter.
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muskrat
Global Moderator
Wise & Enlightened
Join Date: Jul 2009
Posts: 11032
Karma: 132
Lithgow NSW Oz
Re: Bleed prime oil system
«
Reply #1 on:
08.07. 2015 14:25 »
G'day Peter.
Fill the tank the night before you start her.
If still unsure, remove spark plugs, remove pressure relief valve, kick till oil emerges from prv .
Cheers
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'51 A7 plunger, '57 A7SS racer now a A10CR, '78 XT500, '83 CB1100F, 88 HD FXST, 2000 CBR929RR ex Honda Australia Superbike .
Australia
Muskys Plunger A7
pdg
A's Good Friend
Join Date: Oct 2014
Posts: 90
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Re: Bleed prime oil system
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Reply #2 on:
08.07. 2015 14:28 »
Many thanks. I'll give it a go.
Regards, Peter.
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Topdad
bob hebdon
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Join Date: May 2011
Posts: 2650
Karma: 36
l
Re: Bleed prime oil system
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Reply #3 on:
08.07. 2015 14:33 »
I've never had to bleed the system but leave the feed loose and nip up when the oil appears ,plugs out and into gear and push until you get a return at the tank, otherwise kick for England, best of luck, Bob
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" rules are made for the guidance of wise men and the blind obediance of fools"
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East_Coast_BSA
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Join Date: Mar 2015
Posts: 84
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Re: Bleed prime oil system
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Reply #4 on:
08.07. 2015 20:40 »
I pulled out the spark plugs, grounded the mag, put it in second gear and pushed it around the driveway. It didn't take very long before I got oil.
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pdg
A's Good Friend
Join Date: Oct 2014
Posts: 90
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Re: Bleed prime oil system
«
Reply #5 on:
09.07. 2015 08:25 »
Many thanks for all suggestions. Very helpful.
Regards, Peter.
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The BSA A7-A10 Forum
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Technical (Descriptive Topic Titles - Stay on Topic)
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A7 1946-1950
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Bleed prime oil system