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Repairing CB72/77 Points Backplate

Points Based Ignition | Electronic Ignition Upgrade
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G-Man
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Location: Derby, UK
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Post by G-Man » Fri Oct 15, 2010 12:59 pm

Steve / Hotshoe

Our American cousins still do talk like 'Bill Wobbledagger' - they use words like faucet, beverage and turnpike for goodness sake. Then there's all those 'Z's everywhere. We gave that up in 1750! :-))

And don't forget the first reference to "baseball" appeared in english literature in the 1600s regardless of what Abner Doubleday thought.

Oh! to be a European.......... :-)

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

LOUD MOUSE
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Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Re: Repairing CB72/77 Points Backplate

Post by LOUD MOUSE » Fri Oct 15, 2010 2:52 pm

Points plate is on the way. ............lm

LOUD MOUSE wrote:I can send ya one it ya pay the mail cost. ........lm
Phil-UK wrote:Hi All

Anyone got any tips on repairing the points backplate on a CB72 ?
The threads on mine are in an awful state - managed to take one of the outer ones to a larger
size but the inner ones ( nearest the wiring posts ) need a small head screw so they don't hit the cam.
Also there isn't room behind the plate at that postion to build it up behind.

Tried MIG welding a spare backplate which is an an even worse state but can't get the weld to take and fill in the holes so I can retap.

If necessary I can buy some plate and make a new one but anyone else found an easier way ?

A freind with a Suzuki GT750 said he thought the original screws were quite soft so they stripped before the backplate .. true ?

Thanks in advance

Phil

e3steve
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Location: Mallorca, Spain & Warsash, UK

Post by e3steve » Fri Oct 15, 2010 3:37 pm

G-Man wrote:.....

Oh! to be a European.......... :-)

G
.....now that Summer has gone......(?)!☺

LOUD MOUSE
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Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Post by LOUD MOUSE » Fri Oct 15, 2010 3:41 pm

Ohhhh Meeeeeeeeeeeee!!!!!!!!!!. ....lm

e3steve wrote:
G-Man wrote:.....

Oh! to be a European.......... :-)

G
.....now that Summer has gone......(?)!☺

e3steve
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Posts: 2601
Joined: Fri Oct 31, 2003 1:38 pm
Location: Mallorca, Spain & Warsash, UK

Post by e3steve » Fri Oct 15, 2010 3:43 pm

I think that thar feller's on a Texan wind-up, G.......

e3steve
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Location: Mallorca, Spain & Warsash, UK

Post by e3steve » Tue Oct 19, 2010 5:34 am

G-Man wrote:Phil

Sounds like LM has you covered now. I was going to offer to turn up some threaded bushes that you could silver-solder in place.

I know where you saw that CR71, too!

Where are you in UK?

G
Phil's in Sussex, just a short ride form Derby. A bit like a Sunday afternoon jaunt from San Diego to Miami! Well, not quite, I s'pose.....

teazer
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Location: Midwest US

Post by teazer » Tue Oct 19, 2010 9:29 pm

Now Steve. The whole of England would fit comfortably withing almost any of the US American states.

Of course, they don't have Motorways and GATSO and narrow winding lanes which are so fun to ride and such a PIA when actually trying to go anywhere.

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