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A7 & A10 Engine
A7 1946-1950
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The BSA A7-A10 Forum
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Engine breather
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Topic: Engine breather (Read 586 times)
Jasonash
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Join Date: Jan 2018
Posts: 18
Karma: 0
A10 rr, 6t, 16h, a10 sr, wm21, wd16h,areil,
Engine breather
«
on:
08.05. 2018 22:06 »
Evening all just want to know why all ny inner timing covers have had the breather holes plugged up and my a7 one is plugged up but has a breather on rocker cover, is this the normal
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chaterlea25
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Join Date: Jun 2009
Posts: 4026
Karma: 54
Re: Engine breather
«
Reply #1 on:
08.05. 2018 23:55 »
Hi Jason,
Those plugs in the inner casing are to block the through drilling's that were part of the manufacturing machining
The breather outlet is on the drive side crankcase near the primary case, pointing downwards so not easily visible
John
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1961 Super Rocket
1963 RGS (ongoing)
Black Sheep
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Join Date: Apr 2017
Posts: 1187
Karma: 8
Re: Engine breather
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Reply #2 on:
09.05. 2018 06:14 »
The rocker cover breather is non-standard and really shouldn't be necessary.
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2 twins, 2 singles, lots of sheep
muskrat
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Join Date: Jul 2009
Posts: 10779
Karma: 130
Lithgow NSW Oz
Re: Engine breather
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Reply #3 on:
09.05. 2018 12:27 »
^^^^^^^^
But a lot of us have'm.
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
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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 & A10 Engine
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Engine breather