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Simon's new A7
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BBP
Site Admin


Joined: 13 Jan 2014
Posts: 2075


Location: Dayton, Ohio
PostPosted: Tue May 23, 2017 12:45 pm    Post subject:  Reply with quote

SimonH...........First Class work you are doing there........that Bike is a Piece of History.........Unusual, and it Looks well built

THX Phil  salut
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Dale's (mraxl) AWESOME resource site http://www.kawatriple.com/
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SimonH



Joined: 04 Apr 2015
Posts: 181


Location: Yorkshire
PostPosted: Thu May 25, 2017 12:47 am    Post subject: Reply with quote

SimonH wrote:


Ah well, tomorrow is fault finding day!


Well it wasn't, exactly a short circuit.
Turns out that the latching relay I used to switch the lights on and off has a diode in the switching circuit and only works one way, which ,you guessed it, is the opposite to the ignition switch  Embarassed

So: the ignition switch provides a +ve pulse to the relay which actually requires a -ve pulse.

The solution:  Install a small standard relay to reverse the polarity.
So, I've got a relay controlling a relay  scratch

Cool!  Cool

Away for the weekend - it's a public holiday here.  Then, next week it's final
assembly and testing  cheers
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SimonH



Joined: 04 Apr 2015
Posts: 181


Location: Yorkshire
PostPosted: Tue Jun 06, 2017 2:49 am    Post subject: Finished at last! Reply with quote

Finally got it all bolted together and ready for testing.
I need to adjust the front brake before I get the annual safety check (MOT Test) done.

Photos etc. sent off for dating letter.

Needless to say, it's raining hard here  Sad









Now who's got a nice tyre pump?   Confused
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husson73



Joined: 06 Jun 2009
Posts: 2683


Location: PARIS FRANCE
PostPosted: Tue Jun 06, 2017 3:00 am    Post subject: Reply with quote

you should find cheap repro for suzuki T 20 on Singapour Ebay Mr. Green
was on some times ago.
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Jean-Pierre Ch
90 MC1 74 x 2, 350 F9 72 (disassemble on 1980!), 350 S2A 73, 500 H1 69, Martin frame 500 H1 (basket case), 750 H2 71, 750 H2A 73, 750 H2B 74
and some other bikes
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SimonH



Joined: 04 Apr 2015
Posts: 181


Location: Yorkshire
PostPosted: Tue Jun 06, 2017 4:43 am    Post subject: Reply with quote

Merci !  Cool
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12dot
Site Admin


Joined: 18 Jun 2009
Posts: 11607


Location: Minnesota
PostPosted: Tue Jun 06, 2017 6:33 am    Post subject: Reply with quote

Simon: Beautiful job.  salut  cheers

Of all the Samurais and Avengers - I like the early ones with chrome side panels the best.
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Another triple addict - you can never have enough of them

stock Kaw. triples - '69 H1 (2), '70 H1 (4), '71 H1-A (3), '72 H1-B (4), '72 H1-C (2), '73 H1-D (2). '74 H1-E (3), '75 H1-F (5), '76 KH500-A8 (3) '72 H2 (1),
non-stock Kaws. - '70 H1 w/Denco 90 hp. and dual disks,  '70 H1 w/ chrome Denco's,  1 "Yamasaki" (250 Yam. M-X'er w/Kaw. 500 engine)
other Kaws. '71 MT1 - Parnelli Jones (1), '73 MC-1 (1) - '71 A7 B (1)
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SimonH



Joined: 04 Apr 2015
Posts: 181


Location: Yorkshire
PostPosted: Wed Jun 07, 2017 11:41 am    Post subject: Reply with quote

Sun finally shone  Cool

Got my dating letter from VJMC, confirming 1967 license plate.

Usual stuff around first starts - engine raced after a few seconds - LH carb loose on the spigot  Embarassed .

Forgot that neutral is at the bottom on this box - the "why can't I find first gear moment"  scratch

Front brake starting to have some effect........


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SimonH



Joined: 04 Apr 2015
Posts: 181


Location: Yorkshire
PostPosted: Tue Jun 13, 2017 12:53 pm    Post subject: Reply with quote

Reasonable day today, so out for the first shakedown run.

Drove from the workshop to home where I wheeled it into the garage for a quick check.  Clutch slipping, so a quick adjustment.




Then off up the hill to run along the tops into Silsden.  Then it's down a very long steep hill which is good for bedding in brakes.  Bike running well but with an embarrassing amount of smoke due to the tank being full of premix.

The dropped into Silsden to speak to the MOT (safety test) man to arrange an appointment.  He'd never seen an A7.  Then off up the road to return to the workshop.

Never made it  Confused

About a mile up the road all comes to a halt with a big puddle of gas under the bike.  Looks like a stuck left hand float, but no, on removing the side cover I find that the fuel pipe has literally burst along its length.




Only three miles from the workshop, so blocked the left pipe and set off on one cylinder.  That got me about half a mile.  

This time found that the right hand fuel pipe had shrunk where it goes through the rubber grommet blocking off the supply.  The grommet is not a tight fit on the pipe - it had literally shrunk.




This is genuine Tygon tubing.  scratch

The same tubing is fitted as oil lines and it's fine.  I wonder what they put in UK pump gas? drunken

So here's the bike at the side of the Keighley Road waiting for Roger from the workshop with the van.



Back at the workshop it was five minutes work to fit cheap black rubber tube. Cool
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12dot
Site Admin


Joined: 18 Jun 2009
Posts: 11607


Location: Minnesota
PostPosted: Tue Jun 13, 2017 5:33 pm    Post subject: Reply with quote

Quote:
I find that the fuel pipe has literally burst along its length.

Shocked Good grief - THAT can be dangerous. I would sure stay away from that "type/brand" of Tygon............... Sorry to hear of this Simon.
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Another triple addict - you can never have enough of them

stock Kaw. triples - '69 H1 (2), '70 H1 (4), '71 H1-A (3), '72 H1-B (4), '72 H1-C (2), '73 H1-D (2). '74 H1-E (3), '75 H1-F (5), '76 KH500-A8 (3) '72 H2 (1),
non-stock Kaws. - '70 H1 w/Denco 90 hp. and dual disks,  '70 H1 w/ chrome Denco's,  1 "Yamasaki" (250 Yam. M-X'er w/Kaw. 500 engine)
other Kaws. '71 MT1 - Parnelli Jones (1), '73 MC-1 (1) - '71 A7 B (1)
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JohnnyO
Site Admin


Joined: 09 Jan 2012
Posts: 4947


Location: Syracuse, New York
PostPosted: Tue Jun 13, 2017 5:58 pm    Post subject: Reply with quote

Awhile back I bought some so called "Tygon" tubing that was not and did the same thing,,, shrunk  Rolling Eyes I didn't have a rupture but the diameter was considerably smaller and as hard as a rock in about a weeks time,, the ethanol in the gas does all kinds of damage no we have non ethanol available and only run that,,, so sorry to see your troubles that is one beautiful bike... I just installed so "Tygon" lines on both my bikes I can see if I can give you a link to the seller...
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Always remember you are unique, like everybody else...
1974 KV 75  1976 KV 75  1977 KH 400   1972 H2 750  1974 S1 Pieces and parts  
Don't take life to seriously,, you'll never get out of it alive and always be the person your dog thinks you are .....
Dale's (mraxl) AWESOME resource site http://www.kawatriple.com/
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