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P.K.
PostPosted: Wed Dec 14, 2011 6:06 pm 
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Joined: Fri Jun 10, 2011 3:22 pm
Posts: 326
Location: Holmestrand, NORWAY
Can anybody tell me the tread size for the brake light pressure switch on a late H1?
I'm gonna plug this hole when modifying my front brakes and I would like to buy the plug before removing the switch.

PK
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Looney Cylinders
PostPosted: Wed Dec 14, 2011 7:48 pm 

Joined: Thu Jun 09, 2011 2:00 am
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Location: Southern Ontario, Canada
1/8 NPT?

J
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Jim
PostPosted: Wed Dec 14, 2011 7:57 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
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Location: North Central NC
That's my recollection too, Scott, but I don't have one that's off to actually measure. I'd bet on 1/8 NPT.

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Nigel72iv
PostPosted: Thu Dec 15, 2011 3:11 am 

Joined: Thu Jun 09, 2011 8:26 am
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Location: Melbourne, Australia
H2/H1D is a strange metric fine if I remember correctly.
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Jim
PostPosted: Thu Dec 15, 2011 9:47 am 
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OK: I just removed the switch from my S3, and screwed it into a known 1/8" NPT female fitting which it fit properly, so it's 1/8 NPT. Then I checked the H2 and S3 parts manuals, and both bikes use switch part number 43065-001. So an H2 front brake switch is definitely threaded 1/8" NPT.

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P.K.
PostPosted: Thu Dec 15, 2011 10:15 am 
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Joined: Fri Jun 10, 2011 3:22 pm
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Location: Holmestrand, NORWAY
Jim wrote:
OK: I just removed the switch from my S3, and screwed it into a known 1/8" NPT female fitting which it fit properly, so it's 1/8 NPT. Then I checked the H2 and S3 parts manuals, and both bikes use switch part number 43065-001. So an H2 front brake switch is definitely threaded 1/8" NPT.


Great, I appreciate the effort.
The H1 also use 43065-001.

PK
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Nigel72iv
PostPosted: Sat Dec 17, 2011 5:35 am 

Joined: Thu Jun 09, 2011 8:26 am
Posts: 399
Location: Melbourne, Australia
Great, so what size bolt would be suitable to blank it off ? 1/8th ntp X ?
I'm running a MC with a micro switch and would like to get the pressure switch out of the system.
Obviously I was mislead when I tried to do this years ago.
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P.K.
PostPosted: Sat Dec 17, 2011 8:24 am 
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Joined: Fri Jun 10, 2011 3:22 pm
Posts: 326
Location: Holmestrand, NORWAY
Nigel72iv wrote:
Great, so what size bolt would be suitable to blank it off ? 1/8th ntp X ?
I'm running a MC with a micro switch and would like to get the pressure switch out of the system.
Obviously I was mislead when I tried to do this years ago.


You need a plug.
Here are some links from down under:
http://www.ebay.com.au/itm/CHROME-STEEL-1-8-NPT-ALLEN-HEAD-PIPE-THREAD-PLUG-/190430383651
http://www.speedflow.com.au/adapters.html (Almost at the bottom of the page)

I bought a stainless steel plug from this listing:
http://www.ebay.com/itm/190573495729?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649

PK
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