SOHC.co.uk Forums > CB350/400

No sparks on my 400... :o(

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470four:
Top and bottom fuses are spares, then 3 fuses for front lights, rear lights & main.

Have removed the entire fusebox & checked for continuity from the plug - all good (dammit), replaced the fusebox with another (checked) one in better condition regardless.  :)

The coils have no current going to them when the ignition is off, only when the ignition switch is on, so that rules out the ignition switch? Have continuity between both coils...

Im thinking its a fault from the Boyer blackbox, the "trigger", if you will?

Anybody?

mick:
do you have anyone near you you could borrow points set up ?, at least if it ran you could save your self a lot of messing?

470four:
Checked continuity of the blue & yellow wires from the crank plate up to the blackbox?

Nothing. Not a sausage on either??

Mildly relieved I'd found the problem I thought I could just run two good wires down and solve the problem.  :)

Worked my way back along the sleeve with the blue & yellow wires in and found this at the far end!



WTH??

Turns out my cute minimal alloy chainguard had allowed the chain to munch these wires...  :-[

Soldered on another two wires to make the length back up and crimped on two more bullet connectors, bike started first push of the button...   ;D

RESULT.

On a lighter note heres my 470/4 birthday cake my Missus got done for me for my birthday today!



Had to close my eyes cutting it tho, lol

Heres a shot of the back of the fuse holder for reference? may be handy for troubleshooting, etc...

Spitfire:
Great result, and I like the cake, you're definately spoilt, I recognise the back of the fuse holder from when I had to clean up mine and re solder everything, but it's great that everythings worked out.

Cheers

Den

470four:

--- Quote from: Spitfire on February 27, 2011, 06:26:44 PM ---Great result, and I like the cake, you're definately spoilt, I recognise the back of the fuse holder from when I had to clean up mine and re solder everything, but it's great that everythings worked out.

Cheers

Den

--- End quote ---

Mate - its always something daft when your bike plays up...  ;D

Just couldnt work it out??!  Checked & rechecked EVERYTHING - in the end my

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